Perl

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RECAP - The Weekly Challenge - 263

Monday, Apr 8, 2024 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 264

Monday, Apr 8, 2024 by Mohammad Sajid Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Greatest English Letter 10. TASK #2: Target Array HEADLINES Welcome to the Week #264 of The Weekly Challenge. Thank you, Andrew Shitov, for reviewing Raku solutions for the Week #262. There was a time when we used to have weekly reviews of both Perl and Raku solutions.

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RECAP - The Weekly Challenge - 262

Monday, Apr 1, 2024 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 263

Monday, Apr 1, 2024 by Mohammad Sajid Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Target Index 10. TASK #2: Merge Items HEADLINES Welcome to the Week #263 of The Weekly Challenge. Let us all welcome, Reinier Maliepaard from Netherlands to Team PWC. He shared solutions to the Week 260 and Week 262. We have interviewed champion Nelo Tovar finally.

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Meet The Champion: January 2024

Monday, Mar 25, 2024 by Mohammad Sajid Anwar Perl

Get to know about Nelo Tovar Welcome to the monthly series Meet The Champion. Last month we declared Kjetil Skotheim, the winner of December 2023. Today we are talking to Nelo Tovar, the winner of January 2024 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Nelo: I graduated as a Computer Engineer from UCLA (Barquisimeto - Venezuela) in Nov/1992.

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RECAP - The Weekly Challenge - 261

Monday, Mar 25, 2024 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 262

Monday, Mar 25, 2024 by Mohammad Sajid Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Max Positive Negative 10. TASK #2: Count Equal Divisible HEADLINES Welcome to the Week #262 of The Weekly Challenge. As we all know, we regularly receive solutions in guest languages. Python is the leading language in the list. Last week, two more languages added to the list, thanks to Ali Moradi and Lance Wicks.

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RECAP - The Weekly Challenge - 260

Monday, Mar 18, 2024 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 261

Monday, Mar 18, 2024 by Mohammad Sajid Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Element Digit Sum 10. TASK #2: Multiply by Two HEADLINES Welcome to the Week #261 of The Weekly Challenge. Just a quick update with regard to the work carried out by Outreachy Applicants, we now have new shiny homepage and new logo. We are working on new interactive user interface.

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RECAP - The Weekly Challenge - 259

Monday, Mar 11, 2024 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 260

Monday, Mar 11, 2024 by Mohammad Sajid Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Unique Occurrences 10. TASK #2: Dictionary Rank HEADLINES Welcome to the Week #260 of The Weekly Challenge. Did I tell you that I submitted The Weekly Challenge project to the upcoming Outreachy Program sponsored by TPRF? Well, it is first time for us. Last week, we started getting response from applicants of the program.

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RECAP - The Weekly Challenge - 258

Monday, Mar 4, 2024 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 259

Monday, Mar 4, 2024 by Mohammad Sajid Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Banking Day Offset 10. TASK #2: Line Parser HEADLINES Welcome to the Week #259 of The Weekly Challenge. This week tasks are proposed by Lee Johnson and Gabor Szabo. It is an honour for me that we get so much support from the Perl community.

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RECAP - The Weekly Challenge - 257

Monday, Feb 26, 2024 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 258

Monday, Feb 26, 2024 by Mohammad Sajid Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Count Even Digits Number 10. TASK #2: Sum of Values HEADLINES Welcome to the Week #258 of The Weekly Challenge. Let us all welcome Ruth Holloway who joined the Team PWC as a guest contributor to start with. She has contributed solutions in COBOL.

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RECAP - The Weekly Challenge - 256

Monday, Feb 19, 2024 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 257

Monday, Feb 19, 2024 by Mohammad Sajid Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Smaller than Current 10. TASK #2: Reduced Row Echelon HEADLINES Welcome to the Week #257 of The Weekly Challenge. What a pleasant surprise to see Andrew Shitov back and sharing solutions in Raku. Welcome back, Clifton Wood and thanks for sharing solutions in Raku.

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RECAP - The Weekly Challenge - 255

Monday, Feb 12, 2024 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 256

Monday, Feb 12, 2024 by Mohammad Sajid Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Maximum Pairs 10. TASK #2: Merge Strings HEADLINES Welcome to the Week #256 of The Weekly Challenge. Last 5 weeks mainstream contribution stats. Thank you Team PWC for your support and encouragements. Week  Perl Raku Blog 251 51 33 23 252 54 35 23 253 53 29 25 254 53 32 26 255 55 30 26 Last 5 weeks guest contribution stats.

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RECAP - The Weekly Challenge - 254

Monday, Feb 5, 2024 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 255

Monday, Feb 5, 2024 by Mohammad Sajid Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Odd Character 10. TASK #2: Most Frequent Word HEADLINES Welcome to the Week #255 of The Weekly Challenge. Let us all welcome, Archar Gelod to Team PWC. He shared his first contributions in Nim. Recently joined guest contributor, Alex Wilson, shared his first blog post where he discussed his solutions in Uiua.

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RECAP - The Weekly Challenge - 253

Monday, Jan 29, 2024 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 254

Monday, Jan 29, 2024 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Three Power 10. TASK #2: Reverse Vowels HEADLINES Welcome to the Week #254 of The Weekly Challenge. Let us all welcome, Alex Wilson from London to the Team PWC. In the first week itself, he shared solutions in Uiua. Arne Sommer, master of Raku programming language mostly but occasionaly also shares solutions in Perl.

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RECAP - The Weekly Challenge - 252

Monday, Jan 22, 2024 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 253

Monday, Jan 22, 2024 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Split Strings 10. TASK #2: Weakest Row HEADLINES Welcome to the Week #253 of The Weekly Challenge. E. Choroba usually shares solutions in Perl but last week he shared solutions in C++ as well. Joao Felipe shared solutions in Uiua. While I am talking about guest contributions, there is one contributor, Eric Cheung, who regularly contributes solutions in Python on day one itself.

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RECAP - The Weekly Challenge - 251

Monday, Jan 15, 2024 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 252

Monday, Jan 15, 2024 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Special Numbers 10. TASK #2: Unique Sum Zero HEADLINES Welcome to the Week #252 of The Weekly Challenge. New year keep bringing new member to the team. Last week, we had new member, Scott Sotka, joining Team PWC. He has contributed solutions to Task #1 and Task #2 in Raku.

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RECAP - The Weekly Challenge - 250

Monday, Jan 8, 2024 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 251

Monday, Jan 8, 2024 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Concatenation Value 10. TASK #2: Lucky Numbers HEADLINES Welcome to the Week #251 of The Weekly Challenge. What a nice way to start the new year with two new members, Andrew Mehta and Mustafa Aydin joining the Team PWC. In fact, Andrew shared solution to Task #1 of Week #249.

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RECAP - The Weekly Challenge - 249

Monday, Jan 1, 2024 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 250

Monday, Jan 1, 2024 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Smallest Index 10. TASK #2: Alphanumeric String Value HEADLINES Welcome to the Week #250 of The Weekly Challenge. Happy New Year 2024 everyone. I hope it brings all the happiness in your life. We all reached another milestone, i.e. entered the Week #250 of the weekly challenge.

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Advent Calendar - December 25, 2023

Monday, Dec 25, 2023 by Cheok-Yin Fung Perl

Advent Calendar 2023 | Day 24 | Day 25 | The gift is presented by Cheok-Yin Fung. Today he is talking about his solution to The Weekly Challenge - 246. This is re-produced for Advent Calendar 2023 from the original post. CY’s Take on The Weekly Challenge #246 ‐ Uniqueness Task 1: 6 out of 49 Instead of picking out the balls from a box, we can imagine we line up a set of balls labelled 1, 2, 3 .

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Advent Calendar 2023

Monday, Dec 25, 2023 by Mohammad S Anwar Perl, Raku

| 2019 | 2020 | 2021 | 2022 | 2023 | Welcome to our 5th Advent Calendar. We have had enormous amount of blog post shared by Team PWC members. In this edition of Advent Calendar, we are going to pick some of the best creative work by the expert members of Team PWC. MON

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RECAP - The Weekly Challenge - 248

Monday, Dec 25, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 249

Monday, Dec 25, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Equal Pairs 10. TASK #2: DI String Match HEADLINES Welcome to the Week #249 of The Weekly Challenge. Merry Christmas everyone !!! I wish Team PWC members great success in everything they do. I pray new year brings good luck to all. Please do enjoy quality time with your family and loved ones.

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Advent Calendar - December 24, 2023

Sunday, Dec 24, 2023 by Jorg Sommrey Perl

Advent Calendar 2023 | Day 23 | Day 24 | Day 25 | The gift is presented by Jorg Sommrey. Today he is talking about his solution to The Weekly Challenge - 243. This is re-produced for Advent Calendar 2023 from the original post. Count the Pairs on the Floor Task 1: Reverse Pairs You are given an array of integers. Write a script to return the number of reverse pairs in the given array.

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Advent Calendar - December 23, 2023

Saturday, Dec 23, 2023 by Ian Rifkin Perl, Raku, Python

Advent Calendar 2023 | Day 22 | Day 23 | Day 24 | The gift is presented by Ian Rifkin. Today he is talking about his solution to The Weekly Challenge - 240. This is re-produced for Advent Calendar 2023 from the original post. A.A.B.A. (Acronym And Build Array) Task 1: Acronym You are given an array of strings and a check string. Write a script to find out if the check string is the acronym of the words in the given array.

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Advent Calendar - December 22, 2023

Friday, Dec 22, 2023 by Augie De Blieck Jr. Perl

Advent Calendar 2023 | Day 21 | Day 22 | Day 23 | The gift is presented by Augie De Blieck Jr.. Today he is talking about his solution to The Weekly Challenge - 238. This is re-produced for Advent Calendar 2023 from the original post. The Weekly Challenge began as a Perl-focused exercise but has since expanded to let any and all languages in. It’s still mostly Perl, but I’ll be using it as an avenue to explore other languages, as well.

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Advent Calendar - December 21, 2023

Thursday, Dec 21, 2023 by Yves Orton Perl

Advent Calendar 2023 | Day 20 | Day 21 | Day 22 | The gift is presented by Yves Orton. Today he is talking about his solution to The Weekly Challenge - 237. This is re-produced for Advent Calendar 2023 from the original post. Seize The Day - Simple Rules The Day My solution was based on using Time::Local to compute the epoch for noon on the first day of the month, and then stepping forward by day until the required day of week has been found, and then stepping forward by week until the required repetition of that day has been found, or we ran off the end of the calender month.

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Advent Calendar - December 20, 2023

Wednesday, Dec 20, 2023 by Jaldhar H. Vyas Perl, Raku

Advent Calendar 2023 | Day 19 | Day 20 | Day 21 | The gift is presented by Jaldhar H. Vyas. Today he is talking about his solution to The Weekly Challenge - 235. This is re-produced for Advent Calendar 2023 from the original post. Challenge 1: Remove One You are given an array of integers. Write a script to find out if removing ONLY one integer makes it strictly increasing order.

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Advent Calendar - December 19, 2023

Tuesday, Dec 19, 2023 by Packy Anderson Perl, Raku, Python

Advent Calendar 2023 | Day 18 | Day 19 | Day 20 | The gift is presented by Packy Anderson. Today he is talking about his solution to The Weekly Challenge - 234. This is re-produced for Advent Calendar 2023 from the original post. Common, but Unequal, Triplet Characters Ok, trying to be creative with my title for this week’s Perl Weekly Challenge 334 blog title is probably a miss.

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Advent Calendar - December 18, 2023

Monday, Dec 18, 2023 by Lubos Kolouch Perl, Python

Advent Calendar 2023 | Day 17 | Day 18 | Day 19 | The gift is presented by Lubos Kolouch. Today he is talking about his solution to The Weekly Challenge - 233. This is re-produced for Advent Calendar 2023 from the original post. Task 1 - Similar Words Introduction Programming often presents challenges that may seem trivial at first glance, but when delved into, bring out intriguing nuances.

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RECAP - The Weekly Challenge - 247

Monday, Dec 18, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 248

Monday, Dec 18, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Shortest Distance 10. TASK #2: Submatrix Sum HEADLINES Welcome to the Week #248 of The Weekly Challenge. Happy Holiday season to Team PWC members. I would like to take this opportunity to thank each member for the support and encouragement. With new year just couple of weeks behind, let us all enjoy the holiday break.

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Advent Calendar - December 15, 2023

Friday, Dec 15, 2023 by Adam Russell Perl

Advent Calendar 2023 | Day 14 | Day 15 | Day 16 | The gift is presented by Adam Russell. Today he is talking about his solution to The Weekly Challenge - 225. This is re-produced for Advent Calendar 2023 from the original post. Sentenced To Compute Differences The examples used here are from the weekly challenge problem statement and demonstrate the working solution. Part 1 You are given a list of sentences.

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Advent Calendar - December 14, 2023

Thursday, Dec 14, 2023 by Roger Bell_West Perl, JavaScript

Advent Calendar 2023 | Day 13 | Day 14 | Day 15 | The gift is presented by Roger Bell_West. Today he is talking about his solution to The Weekly Challenge - 223. This is re-produced for Advent Calendar 2023 from the original post. Counting Boxes Task 1: Count Primes You are given a positive integer, $n. Write a script to find the total count of primes less than or equal to the given integer.

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Advent Calendar - December 12, 2023

Tuesday, Dec 12, 2023 by Simon Green Perl, Python

Advent Calendar 2023 | Day 11 | Day 12 | Day 13 | The gift is presented by Simon Green. Today he is talking about his solution to The Weekly Challenge - 220. This is re-produced for Advent Calendar 2023 from the original post. Common Squares Weekly Challenge 220 This is the second consecutive week I’ve done the task and written the blog 40,000+ feet in the air.

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Advent Calendar - December 11, 2023

Monday, Dec 11, 2023 by W. Luis Mochan Perl

Advent Calendar 2023 | Day 10 | Day 11 | Day 12 | The gift is presented by W. Luis Mochan. Today he is talking about his solution to The Weekly Challenge - 219. This is re-produced for Advent Calendar 2023 from the original post. Task 1: Sorted Squares Write a script to square each number in the list and return the sorted list, increasing order. Example 1 Input: @list = (-2, -1, 0, 3, 4) Output: (0, 1, 4, 9, 16) Example 2 Input: @list = (5, -4, -1, 3, 6) Output: (1, 9, 16, 25, 36) This can be solved by just following the instructions: square an sort.

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RECAP - The Weekly Challenge - 246

Monday, Dec 11, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 247

Monday, Dec 11, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Secret Santa 10. TASK #2: Most Frequent Letter Pair HEADLINES Welcome to the Week #247 of The Weekly Challenge. Please checkout the interview with the latest champion, Peter Meszaros. Thank you for prompt response. We also got the interview done with the past champion, BarrOff.

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Advent Calendar - December 10, 2023

Sunday, Dec 10, 2023 by Stephen G Lynn Perl

Advent Calendar 2023 | Day 9 | Day 10 | Day 11 | The gift is presented by Stephen G Lynn. Today he is talking about his solution to The Weekly Challenge - 217. This is re-produced for Advent Calendar 2023 from the original post. Challenge 1 (Sorted Matrix) We are given a n by n matrix of numbers, and asked to report the third-smallest number in the matrix.

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Meet The Champion: August 2023

Sunday, Dec 10, 2023 by Mohammad S Anwar Perl, Raku

Get to know about BarrOff Welcome to the monthly series Meet The Champion. Last month we declared Mariano Spadaccini, the winner of July 2023. Today we are talking to BarrOff, the winner of August 2023 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? BarrOff: After graduating school I studied chemistry but towards the end of my bachelors it became obvious that I want to do something computer science related.

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Meet The Champion: November 2023

Sunday, Dec 10, 2023 by Mohammad S Anwar Perl

Get to know about Peter Meszaros Welcome to the monthly series Meet The Champion. Last month we declared Packy Anderson, the winner of October 2023. Today we are talking to Peter Meszaros, the winner of November 2023 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Peter: I received my MSc.E.E. at BME Budapest in 1987 then I worked for Hungarian power system.

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Advent Calendar - December 9, 2023

Saturday, Dec 9, 2023 by Robbie Hatley Perl

Advent Calendar 2023 | Day 8 | Day 9 | Day 10 | The gift is presented by Robbie Hatley. Today he is talking about his solution to The Weekly Challenge - 215. This is re-produced for Advent Calendar 2023 from the original post. Task 1: Odd one Out "You are given a list of words (alphabetic characters only) of same size. Write a script to remove all words not sorted alphabetically and print the number of words in the list that are not alphabetically sorted.

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Advent Calendar - December 8, 2023

Friday, Dec 8, 2023 by Flavio Poletti Perl, Raku

Advent Calendar 2023 | Day 7 | Day 8 | Day 9 | The gift is presented by Flavio Poletti. Today he is talking about his solution to The Weekly Challenge - 214. This is re-produced for Advent Calendar 2023 from the original post. The challenge You are given a list of numbers. You will perform a series of removal operations. For each operation, you remove from the list N (one or more) equal and consecutive numbers, and add to your score N × N.

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Advent Calendar - December 7, 2023

Thursday, Dec 7, 2023 by Matthias Muth Perl

Advent Calendar 2023 | Day 6 | Day 7 | Day 8 | The gift is presented by Matthias Muth. Today he is talking about his solution to The Weekly Challenge - 213. This is re-produced for Advent Calendar 2023 from the original post. Task 1: Fun Sort You are given a list of positive integers. Write a script to sort the all even integers first then all odds in ascending order.

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Advent Calendar - December 6, 2023

Wednesday, Dec 6, 2023 by Peter Campbell Smith Perl

Advent Calendar 2023 | Day 5 | Day 6 | Day 7 | The gift is presented by Peter Campbell Smith. Today he is talking about his solution to The Weekly Challenge - 212. This is re-produced for Advent Calendar 2023 from the original post. Lead to Gold and 1 2 3 Task - Jumping letters You are given a word having alphabetic characters only, and a list of positive integers of the same length.

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Advent Calendar - December 5, 2023

Tuesday, Dec 5, 2023 by Avery Adams Perl

Advent Calendar 2023 | Day 4 | Day 5 | Day 6 | The gift is presented by Avery Adams. Today he is talking about his solution to The Weekly Challenge - 210. This is re-produced for Advent Calendar 2023 from the original post. Perl Weekly Challenge #210 I’m back this week with PWC #210. Last week I was very busy and spent a long time reviewing other peoples’ far more efficient solutions to #208, so I didn’t get to doing any solutions for #209.

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Advent Calendar - December 4, 2023

Monday, Dec 4, 2023 by Dave Jacoby Perl

Advent Calendar 2023 | Day 3 | Day 4 | Day 5 | The gift is presented by Dave Jacoby. Today he is talking about his solution to The Weekly Challenge - 209. This is re-produced for Advent Calendar 2023 from the original post. Give A Little Bit Welcome to Weekly Challenge #209. I can’t do another HTTP.cats pic because 209 is not an assigned HTTP response code, but it is the area code for a huge part of central California, including Calaveras county, made famous by Mark Twain and The Celebrated Jumping Frog of Calaveras County.

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RECAP - The Weekly Challenge - 245

Monday, Dec 4, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 246

Monday, Dec 4, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: 6 out of 49 10. TASK #2: Linear Recurrence of Second Order HEADLINES Welcome to the Week #246 of The Weekly Challenge. Today is the first monday of the month and time to declare next champion. With great pleasure, I would like to announce, Peter Meszaros as the next champion of the weekly challenge.

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Advent Calendar - December 3, 2023

Sunday, Dec 3, 2023 by James Smith Perl

Advent Calendar 2023 | Day 2 | Day 3 | Day 4 | The gift is presented by James Smith. Today he is talking about his solution to The Weekly Challenge - 208. This is re-produced for Advent Calendar 2023 from the original post. Task 1: Minimum Index Sum You are given two arrays of strings. Write a script to find out all common strings in the given two arrays with minimum index sum.

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Advent Calendar - December 2, 2023

Saturday, Dec 2, 2023 by Bob Lied Perl

Advent Calendar 2023 | Day 1 | Day 2 | Day 3 | The gift is presented by Bob Lied. Today he is talking about his solution to The Weekly Challenge - 206. This is re-produced for Advent Calendar 2023 from the original post. Task : Array Pairings Perl Weekly Challenge number 206 has a task called "Array Pairings" to solve: You are given an array of integers having even number of elements.

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Advent Calendar - December 1, 2023

Friday, Dec 1, 2023 by Laurent Rosenfeld Perl, Raku

Advent Calendar 2023 | Day 1 | Day 2 | The gift is presented by Laurent Rosenfeld. Today he is talking about his solution to The Weekly Challenge - 205. This is re-produced for Advent Calendar 2023 from the original post. Task #1: Third Highest You are given an array of integers. Write a script to find out the Third Highest if found otherwise return the maximum. Example 1 Input: @array = (5,3,4) Output: 3 First highest is 5.

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RECAP - The Weekly Challenge - 244

Monday, Nov 27, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 245

Monday, Nov 27, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Sort Language 10. TASK #2: Largest of Three HEADLINES Welcome to the Week #245 of The Weekly Challenge. I am sure you all have noticed the popularity of Python among the team members. It is the top most loved programming language after Perl and Raku.

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RECAP - The Weekly Challenge - 243

Monday, Nov 20, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 244

Monday, Nov 20, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Count Smaller 10. TASK #2: Group Hero HEADLINES Welcome to the Week #244 of The Weekly Challenge. Just a gentle reminder that we would be preparing Advent Calendar 2023 very soon. If you want any of your past blog to be part of this year Advent Calendar then please do share your blog post link to perlweeklychallenge@yahoo.

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RECAP - The Weekly Challenge - 242

Monday, Nov 13, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 243

Monday, Nov 13, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Reverse Pairs 10. TASK #2: Floor Sum HEADLINES Welcome to the Week #243 of The Weekly Challenge. Let us all welcome two new members to Team PWC i.e. Robert McIntosh and Nelo Tovar. We received the first blog post by Robert McIntosh. Nelo Tovar shared his first contributions to the Task #1 and Task #2 in Perl.

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Meet The Champion: October 2023

Sunday, Nov 12, 2023 by Mohammad S Anwar Perl, Raku

Get to know about Packy Anderson Welcome to the monthly series Meet The Champion. Last month we declared Robbie Hatley, the winner of September 2023. Today we are talking to Packy Anderson, the winner of October 2023 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Packy: My mother learned how to code in the Navy flipping bits on the console of a UNIVAC (and wrote some of the code in NTDS) and her father had been a systems analyst for ConEdison, so the last thing I wanted to do was work with computers.

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RECAP - The Weekly Challenge - 241

Monday, Nov 6, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 242

Monday, Nov 6, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Missing Members 10. TASK #2: Flip Matrix HEADLINES Welcome to the Week #242 of The Weekly Challenge. Once again, it is time to declare the next champion as today is the first monday of the month. With great pleasure, I announce Packy Anderson as the next champion of the weekly challenge.

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RECAP - The Weekly Challenge - 240

Monday, Oct 30, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 241

Monday, Oct 30, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Arithmetic Triplets 10. TASK #2: Prime Order HEADLINES Welcome to the Week #241 of The Weekly Challenge. Last week, I shared a report by rcmlz about Raku Benchmark Scabality. It created buzz among Team PWC members. It is always nice to hear positive response.

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RECAP - The Weekly Challenge - 239

Monday, Oct 23, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 240

Monday, Oct 23, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Acronym 10. TASK #2: Build Array HEADLINES Welcome to the Week #240 of The Weekly Challenge. Let us all welcome Raghu R., lacek96 and Magnus Markling to the Team PWC. We now have 300 regular contributors and 20 guest contributors. A new guest language Uiua is introduced by two guest contributors Conor Hoekstra and Magnus Markling.

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RECAP - The Weekly Challenge - 238

Monday, Oct 16, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 239

Monday, Oct 16, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Same String 10. TASK #2: Consistent Strings HEADLINES Welcome to the Week #239 of The Weekly Challenge. Thank you, Robbie Hatley for the prompt response and sharing the interview. Let us all welcome another Perl hacker, Augie De Blieck Jr., to the Team PWC.

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Meet The Champion: September 2023

Tuesday, Oct 10, 2023 by Mohammad S Anwar Perl

Get to know about Robbie Hatley Welcome to the monthly series Meet The Champion. Last month we declared BarrOff, the winner of August 2023. Today we are talking to Robbie Hatley, the winner of September 2023 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Robbie: I’m a Computer Programmer and Electronics Engineer, among other things. I started programming as a college student in 1973 on the twin IBM-370 Computers at Orange Coast College (Costa Mesa, California), using APL, Fortran, JCL, and BASIC.

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RECAP - The Weekly Challenge - 237

Monday, Oct 9, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 238

Monday, Oct 9, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Running Sum 10. TASK #2: Persistence Sort HEADLINES Welcome to the Week #238 of The Weekly Challenge. A member of Team PWC raised an issue that I want to share with others with regard to the Task #1 of Week #235. It turns out most of the linear solutions to that challenge are broken.

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RECAP - The Weekly Challenge - 236

Monday, Oct 2, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 237

Monday, Oct 2, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Seize The Day 10. TASK #2: Maximise Greatness HEADLINES Welcome to the Week #237 of The Weekly Challenge. I finally managed to get the interview done with the champion, Mariano Spadaccini. A polite reminder to all champions who haven’t responded the interview request. Please do share your story with us when you get time.

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Meet The Champion: July 2023

Saturday, Sep 30, 2023 by Mohammad S Anwar Perl

Get to know about Mariano Spadaccini Welcome to the monthly series Meet The Champion. Last month we declared Avery Adams, the winner of June 2023. Today we are talking to Mariano Spadaccini, the winner of July 2023 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Mariano: From age 10 to 14I loved programming in Basic 1.0 on CPC 464.

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RECAP - The Weekly Challenge - 235

Monday, Sep 25, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 236

Monday, Sep 25, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Exact Change 10. TASK #2: Array Loops HEADLINES Welcome to the Week #236 of The Weekly Challenge. Let us all welcome two new members to the Team PWC, Yves Orton and Asher Harvey-Smith. Last 5 weeks mainstream contribution stats. Thank you Team PWC for your support and encouragements.

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RECAP - The Weekly Challenge - 234

Monday, Sep 18, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 235

Monday, Sep 18, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Remove One 10. TASK #2: Duplicate Zeros HEADLINES Welcome to the Week #235 of The Weekly Challenge. I would like to share something that a member of Team PWC has been working on for sometime as listed below: 1. Remove empty dirs 2. Initial proposal for Raku scalability-benchmark I would appreciate if you all can also contribute with your suggestions and ideas.

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RECAP - The Weekly Challenge - 233

Monday, Sep 11, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 234

Monday, Sep 11, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Common Characters 10. TASK #2: Unequal Triplets HEADLINES Welcome to the Week #234 of The Weekly Challenge. Let us all welcome, mauke, an expert in Perl to the Team PWC. Last 5 weeks mainstream contribution stats. Thank you Team PWC for your support and encouragements.

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RECAP - The Weekly Challenge - 231

Monday, Sep 4, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 233

Monday, Sep 4, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Similar Words 10. TASK #2: Frequency Sort HEADLINES Welcome to the Week #233 of The Weekly Challenge. Let us all welcome two new members, Clifton Wood and Macy TY to the Team PWC. Today is the first Monday of the month and we have a new champion, BarrOff.

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RECAP - The Weekly Challenge - 230

Monday, Aug 21, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 231

Monday, Aug 21, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Min Max 10. TASK #2: Senior Citizens HEADLINES Welcome to the Week #231 of The Weekly Challenge. Let us all welcome new member, rcmlz, to the Team PWC. This week challenge is the struggle work from place where I hardly had stable internet. Somehow I am managing it.

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RECAP - The Weekly Challenge - 229

Monday, Aug 14, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 230

Monday, Aug 14, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Separate Digits 10. TASK #2: Count Words HEADLINES Welcome to the Week #230 of The Weekly Challenge. This week challenge is coming from my native town, Jamshedpur, India. Last 5 weeks mainstream contribution stats. Thank you Team PWC for your support and encouragements.

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RECAP - The Weekly Challenge - 228

Sunday, Aug 6, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 229

Sunday, Aug 6, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Lexicographic Order 10. TASK #2: Two out of Three HEADLINES Welcome to the Week #229 of The Weekly Challenge. This week challenge is coming from my native town, Jamshedpur, India. Today is the first Monday of the month and time to declare our next champion.

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RECAP - The Weekly Challenge - 227

Monday, Jul 31, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 228

Monday, Jul 31, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Unique Sum 10. TASK #2: Empty Array HEADLINES Welcome to the Week #228 of The Weekly Challenge. I would like to share with the Team PWC that I am going on 3 weeks holiday to India this Friday 4th Aug 2023. During the holiday, there would be big delays in accepting the contributions and updating the charts.

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RECAP - The Weekly Challenge - 226

Monday, Jul 24, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 227

Monday, Jul 24, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Friday 13th 10. TASK #2: Roman Maths HEADLINES Welcome to the Week #227 of The Weekly Challenge. Let us all welcome two new members, Packy Anderson and Adriaan Dens to the Team PWC. Thank you Peter Campbell Smith for the proposed tasks of Week #227.

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RECAP - The Weekly Challenge - 225

Monday, Jul 17, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 226

Monday, Jul 17, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Shuffle String 10. TASK #2: Zero Array HEADLINES Welcome to the Week #226 of The Weekly Challenge. Let us all welcome a new member, Dan Friedman, an expert Perl hacker to the Team PWC. We got the detailed conversation with the latest champion, Avery Adams.

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Meet The Champion: June 2023

Thursday, Jul 13, 2023 by Mohammad S Anwar Perl

Get to know about Avery Adams Welcome to the monthly series Meet The Champion. Last month we declared Matthias Muth, the winner of May 2023. Today we are talking to Avery Adams, the winner of June 2023 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Avery: My father was an Electrical Engineer for a major printer manufacturer, and had a long history learning computer skills in the computer lab in his high school as well.

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RECAP - The Weekly Challenge - 224

Monday, Jul 10, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 225

Monday, Jul 10, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Max Words 10. TASK #2: Left Right Sum Diff HEADLINES Welcome to the Week #225 of The Weekly Challenge. I would like to apologize for declaring Matthias Muth twice champion. It shows my mental state. Let me get this correct first. So the champion of month, June 2023, is Avery Adams.

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RECAP - The Weekly Challenge - 223

Monday, Jul 3, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 224

Monday, Jul 3, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Special Notes 10. TASK #2: Additive Number HEADLINES Welcome to the Week #224 of The Weekly Challenge. I am missing one of the most regular member, Duncan C. White. I hope he is fine and would come back to the weekly fun soon.

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RECAP - The Weekly Challenge - 222

Monday, Jun 26, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 223

Monday, Jun 26, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Count Primes 10. TASK #2: Box Coins HEADLINES Welcome to the Week #223 of The Weekly Challenge. Last week we had two comebacks, Colin Crain and Dave Jacoby. You really don’t want to miss out the blog posts by them i.e. Last Number Standing and Member-ship has its Privileges.

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RECAP - The Weekly Challenge - 221

Monday, Jun 19, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 222

Monday, Jun 19, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Matching Members 10. TASK #2: Last Member HEADLINES Welcome to the Week #222 of The Weekly Challenge. Just a quick update about my dad, I lost him last Monday. May his soul Rest in Peace. Thank you everyone for the kind messages. Let us all welcome Andreas Voegele, an expert Perl hacker from Stuttgart, Germany to the Team PWC.

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RECAP - The Weekly Challenge - 220

Monday, Jun 12, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 221

Monday, Jun 12, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Good Strings 10. TASK #2: Arithmetic Subsequence HEADLINES Welcome to the Week #221 of The Weekly Challenge. First thing first, let us all welcome new member, John Horner from Sydney, Australia to the Team PWC. I know I didn’t declare the champion last week, sorry.

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RECAP - The Weekly Challenge - 219

Monday, Jun 5, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 220

Sunday, Jun 4, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Common Characters 10. TASK #2: Squareful HEADLINES Welcome to the Week #220 of The Weekly Challenge. This week challenge is coming from a small town Jamshedpur in India as I had to make emergency visit to see my dad. He is still in ICU.

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RECAP - The Weekly Challenge - 218

Monday, May 29, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 219

Monday, May 29, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Sorted Squares 10. TASK #2: Travel Expenditure HEADLINES Welcome to the Week #219 of The Weekly Challenge. Let us all welcome a new guest contributor to Team PWC, Andrea Piseri. Thank you for your first contributions in BQN. Thank you, BarrOff for introducing new guest language V Lang.

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RECAP - The Weekly Challenge - 217

Monday, May 22, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 218

Monday, May 22, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Maximum Product 10. TASK #2: Matrix Score HEADLINES Welcome to the Week #218 of The Weekly Challenge. Let us all welcome a new member to Team PWC, Israel C. Batista. Thank you for your first contributions in Perl. Today, we are giving away Coupon #41 to Rob Turner for the book, Learning Perl Exercises by brian d foy.

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RECAP - The Weekly Challenge - 216

Monday, May 15, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 217

Monday, May 15, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Sorted Matrix 10. TASK #2: Max Number HEADLINES Welcome to the Week #217 of The Weekly Challenge. Today, we are giving away Coupon #40 to Mark Anderson for the book, Learning Perl Exercises by brian d foy. I will share the details with you in a separate email.

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RECAP - The Weekly Challenge - 215

Monday, May 8, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 216

Monday, May 8, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Registration Number 10. TASK #2: Word Stickers HEADLINES Welcome to the Week #216 of The Weekly Challenge. We have a new member RibTips in the Team PWC sharing the first contributions in Perl. Welcome back Lance Wicks after the break. We all missed you.

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Meet The Champion: December 2022

Sunday, May 7, 2023 by Mohammad S Anwar Perl, Raku

Get to know about Ali Moradi Welcome to the monthly series Meet The Champion. Last month we declared Bruce Gray, the winner of November 2022. Today we are talking to Ali Moradi, the winner of December 2022 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Ali: I first got interested in programming and programming languages by translating some Python articles to Persian for a website when I was in secondary school.

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Meet The Champion: April 2023

Tuesday, May 2, 2023 by Mohammad S Anwar Perl

Get to know about Thomas Kohler Welcome to the monthly series Meet The Champion. Last month we declared David Ferrone, the winner of March 2023. Today we are talking to Thomas Kohler, the winner of April 2023 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Thomas: Growing up on a farm, I learned a lot to improvise: When a machine was broken, we fixed it with whatever was available.

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RECAP - The Weekly Challenge - 214

Monday, May 1, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 215

Monday, May 1, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Odd one Out 10. TASK #2: Number Placement HEADLINES Welcome to the Week #215 of The Weekly Challenge. Today is the first Monday of the month and time to declare the next champion. With great pride, we announce Thomas Kohler as our next champion.

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Meet The Champion: February 2023

Thursday, Apr 27, 2023 by Mohammad S Anwar Perl

Get to know about Solathian Welcome to the monthly series Meet The Champion. Last month we declared Bob Lied, the winner of January 2023. Today we are talking to Solathian, the winner of February 2023 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Solathian: I’m an Electrical Egineer working as an embedded SW developer in the Automotive industry.

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Meet The Champion: March 2023

Thursday, Apr 27, 2023 by Mohammad S Anwar Perl

Get to know about David Ferrone Welcome to the monthly series Meet The Champion. Last month we spoke to Solathian, the winner of February 2023. Today we are talking to David Ferrone, the winner of March 2023 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? David: We had a PC in the house around 1992, I was eight and it ended up in my bedroom.

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RECAP - The Weekly Challenge - 213

Monday, Apr 24, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 214

Monday, Apr 24, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Rank Score 10. TASK #2: Collect Points HEADLINES Welcome to the Week #214 of The Weekly Challenge. Last week we decided to give away FREE book coupon to Leo Manfredi but unfortunately we don’t have his email address. I request Leo please share your email to perlweeklychallenge@yahoo.

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RECAP - The Weekly Challenge - 212

Monday, Apr 17, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 213

Monday, Apr 17, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Fun Sort 10. TASK #2: Shortest Route HEADLINES Welcome to the Week #213 of The Weekly Challenge. Today, we are giving away Coupon #36 to Leo Manfredi for the book, Learning Perl Exercises by brian d foy. I will share the details with you in a separate email.

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RECAP - The Weekly Challenge - 211

Monday, Apr 10, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 212

Monday, Apr 10, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Jumping Letters 10. TASK #2: Rearrange Groups HEADLINES Welcome to the Week #212 of The Weekly Challenge. Today, we are giving away Coupon #35 to Matthias Muth for the book, Learning Perl Exercises by brian d foy. I will share the details with you in a separate email.

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RECAP - The Weekly Challenge - 210

Monday, Apr 3, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 211

Monday, Apr 3, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Toeplitz Matrix 10. TASK #2: Split Same Average HEADLINES Welcome to the Week #211 of The Weekly Challenge. Let us all welcome, Shimon Bollinger, to the Team PWC. He is a Raku hacker from United States. Today is the first Monday of the month and time to declare our next champion.

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RECAP - The Weekly Challenge - 209

Monday, Mar 27, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 210

Monday, Mar 27, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Kill and Win 10. TASK #2: Number Collision HEADLINES Welcome to the Week #210 of The Weekly Challenge. Two days ago i.e. 25 March 2023, we completed 4 years of weekly challenge. Hard to believe to be honest. It has been a long and fun journey with you all.

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RECAP - The Weekly Challenge - 208

Monday, Mar 20, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 209

Monday, Mar 20, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Special Bit Characters 10. TASK #2: Merge Account HEADLINES Welcome to the Week #209 of The Weekly Challenge. We have new guest Simon Dueck joined Team PWC and shared solutions to Week #207 and Week #208 in F#. E. Alvarez blog post sharing Javascript magic once again.

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RECAP - The Weekly Challenge - 207

Monday, Mar 13, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 208

Monday, Mar 13, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Minimum Index Sum 10. TASK #2: Duplicate and Missing HEADLINES Welcome to the Week #208 of The Weekly Challenge. Please do accept my apology for the late release of the weekly challenge. Thank you for your kind messages. It means a lot. Did you notice, we now have over 10,000+ solutions in Perl?

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RECAP - The Weekly Challenge - 206

Monday, Mar 6, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 207

Monday, Mar 6, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Keyboard Word 10. TASK #2: H-Index HEADLINES Welcome to the Week #207 of The Weekly Challenge. E. Alvarez blog post for you to keep you engaged. First Monday of the month and time to declare next champion. With great pleasure, I announce Solathian as our next champion.

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RECAP - The Weekly Challenge - 205

Monday, Feb 27, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 206

Monday, Feb 27, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Shortest Time 10. TASK #2: Array Pairings HEADLINES Welcome to the Week #206 of The Weekly Challenge. We have one more addition to the Team PWC, an experience Perl hacker by the name Avery Adams. Thanks for sharing solutions in Perl. E. Alvarez is back to blogging again and we have another gem from him.

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RECAP - The Weekly Challenge - 204

Monday, Feb 20, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 205

Monday, Feb 20, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Third Highest 10. TASK #2: Maximum XOR HEADLINES Welcome to the Week #205 of The Weekly Challenge. Last week, we had 2 new members joinging the Team PWC and both are Perl hackers (Matthias Muth and Tyler Bird). Matthias even shared blog post with solutions in Perl.

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RECAP - The Weekly Challenge - 203

Monday, Feb 13, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 204

Monday, Feb 13, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Monotonic Array 10. TASK #2: Reshape Matrix HEADLINES Welcome to the Week #204 of The Weekly Challenge. Every time, I try harder I find myself in a big trouble. I should take it easy, rather. You all must have noticed in recent weeks, the delay in the processing the regular contributions.

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RECAP - The Weekly Challenge - 202

Monday, Feb 6, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 203

Monday, Feb 6, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Special Quadruplets 10. TASK #2: Copy Directory HEADLINES Welcome to the Week #203 of The Weekly Challenge. We have a new member from Russia last week, Valerii Dundukov. Welcome on board. Today is the first Monday of the month and time to declare our first champion of the year 2023.

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RECAP - The Weekly Challenge - 201

Monday, Jan 30, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 202

Monday, Jan 30, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Consecutive Odds 10. TASK #2: Widest Valley HEADLINES Welcome to the Week #202 of The Weekly Challenge. Last week, India celebrated Republic Day on 26th January. I have some fond memories from my school days. Singing national anthem and getting sweets. Also watching the republic day parade on TV for hours.

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RECAP - The Weekly Challenge - 200

Monday, Jan 23, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 201

Monday, Jan 23, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Missing Number 10. TASK #2: Penny Piles HEADLINES Welcome to the Week #201 of The Weekly Challenge. Last week, Mariano Spadaccini, joined the Team PWC. Thank you for your first contributions in Perl. Apology for the late acceptance of your contributions last week. I wasn’t mentally there, so avoided the screen as much as I can.

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RECAP - The Weekly Challenge - 199

Monday, Jan 16, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 200

Monday, Jan 16, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Arithmetic Slices 10. TASK #2: Seven Segment 200 HEADLINES Welcome to the Week #200 of The Weekly Challenge. Ryan Thompson, our in-house Perl and Raku reviewer came up with fun task to celebrate the 200th week of the weekly challenge. I am sure you will find it fun to work on it.

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RECAP - The Weekly Challenge - 198

Monday, Jan 9, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 199

Monday, Jan 9, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Good Pairs 10. TASK #2: Good Triplets HEADLINES Welcome to the Week #199 of The Weekly Challenge. Last week, another new member, Rawley Fowler, joined the Team PWC from Canada. We are now a family of 280 members. With the start of new year, I feel little tired.

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RECAP - The Weekly Challenge - 197

Monday, Jan 2, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 198

Monday, Jan 2, 2023 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Max Gap 10. TASK #2: Prime Count HEADLINES Welcome to the Week #198 of The Weekly Challenge. Wish you all a very Happy New Year 2023 Today we are going to announce the last Champion of the Year 2022 as today is the first Monday of the month.

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RECAP - The Weekly Challenge - 196

Monday, Dec 26, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 197

Monday, Dec 26, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Move Zero 10. TASK #2: Wiggle Sort HEADLINES Welcome to the Week #197 of The Weekly Challenge. Advent Calendar 2022 celebration is finally over, thanks to the contributions by the members of Team PWC. By the way, did you know that our Advent Calendar is now live on DEV.

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Advent Calendar - December 25, 2022

Sunday, Dec 25, 2022 by Mohammad S Anwar Perl, Raku

Advent Calendar 2022 | Day 24 | Day 25 | Merry Christmas Finally we reached to the end of Advent Calendar. It was a hectic 24 days. Not an easy task to manage/run the Advent Calendar. I would to take this opportunity to thank each and every contributors. Please accept my apology if I missed anyone. I tried to give equal opportunity to those who blog about their contributions.

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Advent Calendar - December 24, 2022

Saturday, Dec 24, 2022 by Flavio Poletti Perl, Raku

Advent Calendar 2022 | Day 23 | Day 24 | Day 25 | The gift is presented by Flavio Poletti. Today he is talking about his solution to “The Weekly Challenge - 160”. This is re-produced for Advent Calendar 2022 from the original post by him. PWC160 - Equilibrium Index TL;DR On with TASK #2 from The Weekly Challenge #160. Enjoy! The challenge You are give an array of integers, @n.

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Advent Calendar 2022

Saturday, Dec 24, 2022 by Mohammad S Anwar Perl, Raku

| 2019 | 2020 | 2021 | 2022 | 2023 | Welcome to our 4th Advent Calendar. I promise to present interesting topic every day contributed by esteemed members of Team PWC. MON TUE WED THU FRI SAT SUN

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Advent Calendar - December 22, 2022

Thursday, Dec 22, 2022 by Lance Wicks Perl, Go

Advent Calendar 2022 | Day 21 | Day 22 | Day 23 | The gift is presented by Lance Wicks. Today he is talking about his solution to “The Weekly Challenge - 119”. This is re-produced for Advent Calendar 2022 from the original post by him. Perl flexibility for the win This week I spent some time on the Weekly Challenge 119 which is always a good opportunity to get some deliberate practice in.

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Advent Calendar - December 21, 2022

Wednesday, Dec 21, 2022 by Jared Martin Perl

Advent Calendar 2022 | Day 20 | Day 21 | Day 22 | The gift is presented by Jared Martin. Today he is talking about his solution to “The Weekly Challenge - 127”. This is re-produced for Advent Calendar 2022 from the original post by him. Intersection on a Sunday Afternoon Task 1, "Disjoint Sets" was basically something I’ve done before somewhere else. In fact, what I’m using is overkill for just determining if two sets intersect.

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App::Timer

Tuesday, Dec 20, 2022 by Mohammad S Anwar Perl

After so many years, I finally got around to contribute to Perl Advent Calendar 2022. For me personally, it is an honour to be part of it. I have contributed in the past so I am aware of its reach. I grab the opportunity every time I get the offer. This time around, Olaf Alders, is leading the team and managing the Perl Advent Calendar 2022. As always the case, this year also the calendar is full of interesting topics to keep you busy in this holiday season.

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Advent Calendar - December 19, 2022

Monday, Dec 19, 2022 by Stephen G. Lynn Perl, Raku, Julia

Advent Calendar 2022 | Day 18 | Day 19 | Day 20 | The gift is presented by Stephen G. Lynn. Today he is talking about his solution to “The Weekly Challenge - 186”. This is re-produced for Advent Calendar 2022 from the original post by him. Challenge 1 (Zip List) Challenge 1 requires "zipping" two lists a and b say, by creating a combined list in which the elements are: (a[0] b[0] a[1] b[1] a[2] b[2] .

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RECAP - The Weekly Challenge - 195

Monday, Dec 19, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 196

Monday, Dec 19, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Pattern 132 10. TASK #2: Range List HEADLINES Welcome to the Week #196 of The Weekly Challenge. Welcome 2 new members to the Team PWC, Pip Stuart and Carlos Oliveira. They are both experienced Perl hacker. Advent Calendar 2022 is going on with full swing, thanks to the contributions by the members of Team PWC.

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Advent Calendar - December 18, 2022

Sunday, Dec 18, 2022 by Andinus Perl, Raku

Advent Calendar 2022 | Day 17 | Day 18 | Day 19 | The gift is presented by Ryan Thompson. Today he is talking about his solution to “The Weekly Challenge - 171”. This is re-produced for Advent Calendar 2022 from the original post by him. PWC 171 › Odd Abundant Numbers This post is part of a series on Mohammad Anwar’s excellent Weekly Challenge, where hackers submit solutions in Perl, Raku, or any other language, to two different challenges every week.

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Advent Calendar - December 17, 2022

Saturday, Dec 17, 2022 by Laurent Rosenfeld Perl, Raku

Advent Calendar 2022 | Day 16 | Day 17 | Day 18 | The gift is presented by Laurent Rosenfeld. Today he is talking about his solution to “The Weekly Challenge - 194”. This is re-produced for Advent Calendar 2022 from the original post by him. These are some answers to the Week 194 of the Perl Weekly Challenge organized by Mohammad S. Anwar. Spoiler Alert: This weekly challenge deadline is due in a few days from now (on December 11, 2022 at 23:59).

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Advent Calendar - December 16, 2022

Friday, Dec 16, 2022 by Jaldhar H. Vyas Perl, Raku

Advent Calendar 2022 | Day 15 | Day 16 | Day 17 | The gift is presented by Jaldhar H. Vyas. Today he is talking about his solution to “The Weekly Challenge - 188”. This is re-produced for Advent Calendar 2022 from the original post by him. Challenge 1: Divisible Pairs You are given list of integers @list of size $n and divisor $k. Write a script to find out count of pairs in the given list that satisfies the following rules.

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Advent Calendar - December 15, 2022

Thursday, Dec 15, 2022 by E. Choroba Perl

Advent Calendar 2022 | Day 14 | Day 15 | Day 16 | The gift is presented by E. Choroba. Today he is talking about his solution to “The Weekly Challenge - 189”. This is re-produced for Advent Calendar 2022 from the original post by him. Array Degree The Task 2 was rather interesting in the week 189. You are given an array of 2 or more non-negative integers.

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Advent Calendar - December 13, 2022

Tuesday, Dec 13, 2022 by Peter Campbell Smith Perl

Advent Calendar 2022 | Day 12 | Day 13 | Day 14 | The gift is presented by Peter Campbell Smith. Today he is talking about his solution to “The Weekly Challenge - 190”. This is re-produced for Advent Calendar 2022 from the original post by him. Capital test and ambiguous encoding Proper capitalisation Task 1 this week gives us a string comprising capital and lower case letters and asks us to determine whether it follows one of these patterns of capitalisation: Challenge, challenge, CHALLENGE.

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Advent Calendar - December 12, 2022

Monday, Dec 12, 2022 by W. Luis Mochan Perl

Advent Calendar 2022 | Day 11 | Day 12 | Day 13 The gift is presented by W. Luis Mochan. Today he is talking about his solution to “The Weekly Challenge - 152”. This is re-produced for Advent Calendar 2022 from the original post by him. Perl Weekly Challenge 152 My solutions (task 1 and task 2) to The Weekly Challenge - 152. Task 1: Triangle Sum Path You are given a triangle array.

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RECAP - The Weekly Challenge - 194

Monday, Dec 12, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 195

Monday, Dec 12, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Special Integers 10. TASK #2: Most Frequent Even HEADLINES Welcome to the Week #195 of The Weekly Challenge. Advent Calendar 2022 is going on with full swing, thanks to the contributions by the members of Team PWC. Day Article Author 1 Are Abecedarians from Abecedaria?

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Advent Calendar - December 11, 2022

Sunday, Dec 11, 2022 by Flavio Poletti Perl, Raku

Advent Calendar 2022 | Day 10 | Day 11 | Day 12 | The gift is presented by Flavio Poletti. Today he is talking about his solution to “The Weekly Challenge - 153”. This is re-produced for Advent Calendar 2022 from the original post by him. PWC153 - Factorions TL;DR On with TASK #2 from The Weekly Challenge #153. Enjoy! The challenge You are given an integer, $n.

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Advent Calendar - December 10, 2022

Saturday, Dec 10, 2022 by Bruce Gray Perl, Raku, Python

Advent Calendar 2022 | Day 9 | Day 10 | Day 11 | The gift is presented by Bruce Gray. Today he is talking about his solution to “The Weekly Challenge - 154”. This is re-produced for Advent Calendar 2022 from the original post by him. In which we search for a needle in a lendee (or maybe a chatchka in a haystack), and delight in some lazy CPAN comfort.

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Advent Calendar - December 8, 2022

Thursday, Dec 8, 2022 by Cheok-Yin Fung Perl

Advent Calendar 2022 | Day 7 | Day 8 | Day 9 | The gift is presented by Cheok-Yin Fung. Today he is talking about his solution to “The Weekly Challenge - 156”. This is re-produced for Advent Calendar 2022 from the original post by him. CY’s Take on The Weekly Challenge #156 If you want to challenge yourself on programming, especially on Perl and/or Raku, go to https://theweeklychallenge.

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Advent Calendar - December 7, 2022

Wednesday, Dec 7, 2022 by Simon Green Perl, Python

Advent Calendar 2022 | Day 6 | Day 7 | Day 8 | The gift is presented by Simon Green. Today he is talking about his solution to “The Weekly Challenge - 157”. This is re-produced for Advent Calendar 2022 from the original post by him. Weekly Challenge 157 I’m back after the three week hiatus! [Challenge] [My solution] TASK #1 › Pythagorean Means You are given a set of integers.

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Advent Calendar - December 6, 2022

Tuesday, Dec 6, 2022 by Dave Jacoby Perl

Advent Calendar 2022 | Day 5 | Day 6 | Day 7 | The gift is presented by Dave Jacoby. Today he is talking about his solution to “The Weekly Challenge - 158”. This is re-produced for Advent Calendar 2022 from the original post by him. Task #1: Additive Primes Additive primes are prime numbers for which the sum of their decimal digits are also primes. We’re on to Weekly Challenge #158!

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RECAP - The Weekly Challenge - 193

Monday, Dec 5, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 194

Monday, Dec 5, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Digital Clock 10. TASK #2: Frequency Equalizer HEADLINES Welcome to the Week #194 of The Weekly Challenge. Today is the first Monday of the month and time to declare our next champion. With great pleasure, we announce Bruce Gray as the next Champion of The Weekly Challenge.

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Advent Calendar - December 4, 2022

Sunday, Dec 4, 2022 by Alexander Pankoff Perl

Advent Calendar 2022 | Day 3 | Day 4 | Day 5 | The gift is presented by Alexander Pankoff. Today he is talking about his solution to “The Weekly Challenge - 160”. This is re-produced for Advent Calendar 2022 from the original post by him. Task #1: Four Is Magic You are given a positive number, $n < 10. Write a script to generate english text sequence starting with the English cardinal representation of the given number, the word is and then the English cardinal representation of the count of characters that made up the first word, followed by a comma.

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Advent Calendar - December 3, 2022

Saturday, Dec 3, 2022 by Colin Crain Perl

Advent Calendar 2022 | Day 2 | Day 3 | Day 4 | The gift is presented by Colin Crain. Today he is talking about his solution to “The Weekly Challenge - 191”. This is re-produced for Advent Calendar 2022 from the original post by him. Task #2: Cute List You are given an integer, 0 < $n <= 15. Write a script to find the number of orderings of numbers that form a cute list.

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Advent Calendar - December 2, 2022

Friday, Dec 2, 2022 by James Smith Perl

Advent Calendar 2022 | Day 1 | Day 2 | Day 3 | The gift is presented by James Smith. Today he is talking about his solution to “The Weekly Challenge - 193”. This is re-produced for Advent Calendar 2022 from the original post by him. Task #1: Binary String You are given an integer, $n > 0. Write a script to find all possible binary numbers of size $n.

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Advent Calendar - December 1, 2022

Thursday, Dec 1, 2022 by Adam Russell Perl

Advent Calendar 2022 | Day 1 | Day 2 | The gift is presented by Adam Russell. Today he is talking about his solution to “The Weekly Challenge - 161”. This is re-produced for Advent Calendar 2022 from the original post by him. Task #1: Abecedarian Words An abecedarian word is a word whose letters are arranged in alphabetical order. For example, “knotty” is an abecedarian word, but “knots” is not.

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RECAP - The Weekly Challenge - 192

Monday, Nov 28, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 193

Monday, Nov 28, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Binary String 10. TASK #2: Odd String HEADLINES Welcome to the Week #193 of The Weekly Challenge. Life is always full of ups & downs. As the year ending, I look back and noticed I missed so many things. I wanted to do so much but couldn’t get anywhere near.

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RECAP - The Weekly Challenge - 191

Monday, Nov 21, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 192

Monday, Nov 21, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Binary Flip 10. TASK #2: Equal Distribution HEADLINES Welcome to the Week #192 of The Weekly Challenge. Another busy week with 100+ contributions. This is the record in the history of The Weekly Challenge, we achieved the target for the 8th consecutive weeks. Thank you Team PWC for the support and encouragement.

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RECAP - The Weekly Challenge - 190

Monday, Nov 14, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 191

Monday, Nov 14, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Twice Largest 10. TASK #2: Cute List HEADLINES Welcome to the Week #191 of The Weekly Challenge. Last week, I forgot to announce the champion as it was the first Monday of the month. Apology. Today, we announce our next champion, Feng Chang, from Beijing, China.

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RECAP - The Weekly Challenge - 189

Monday, Nov 7, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 190

Monday, Nov 7, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Capital Detection 10. TASK #2: Decoded List HEADLINES Welcome to the Week #190 of The Weekly Challenge. For the first time ever, we have received 100+ contributions back to back for 5 consecutive weeks. Thank you Team PWC for the support and encouragement.

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RECAP - The Weekly Challenge - 188

Monday, Oct 31, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 189

Monday, Oct 31, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Greater Character 10. TASK #2: Array Degree HEADLINES Welcome to the Week #189 of The Weekly Challenge. Two new members, Vamsi Meenavilli and Andrew Grangaard joined the Team PWC last week. With this we now have 275 members in the Team PWC. Thanks Vamsi for your first contributions in Perl and Python.

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RECAP - The Weekly Challenge - 187

Monday, Oct 24, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 188

Monday, Oct 24, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Divisible Pairs 10. TASK #2: Total Zero HEADLINES Welcome to the Week #188 of The Weekly Challenge. We are into the fourth week of Hacktoberfest 2022. At last, we made it, little late though to get the 100+ mark this time too. Week: #1 #2 #3 #4 -------------------- Perl: 57 61 58 51 Raku: 31 35 33 34 Blog: 17 19 20 20 Last week, we had 36 regular contributors and 13 guest contributors.

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Colin Crain › Perl Weekly Review #180

Monday, Oct 17, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 180 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would come from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 186

Monday, Oct 17, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 187

Monday, Oct 17, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Days Together 10. TASK #2: Magical Triplets HEADLINES Welcome to the Week #187 of The Weekly Challenge. Please welcome izem to the Team PWC. Thanks izem for your first contributions in Perl and Python. We are into the third week of Hacktoberfest 2022. I am not surprised the rise of popularity of The Weekly Challenge.

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Colin Crain › Perl Weekly Review #179

Monday, Oct 10, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 179 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would come from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 185

Monday, Oct 10, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 186

Monday, Oct 10, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Zip List 10. TASK #2: Unicode Makeover HEADLINES Welcome to the Week #186 of The Weekly Challenge. Welcome back Andinus after the break. Thank you for contributions in Raku and blog post. We are into the second week of Hacktoberfest 2022. I am not surprised the rise of popularity of The Weekly Challenge.

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Meet The Champion: September 2022

Sunday, Oct 9, 2022 by Mohammad S Anwar Perl

Get to know about Kueppo Wesley. Welcome to the monthly series Meet The Champion. Last month we spoke to Stephen G. Lynn, the winner of August 2022. Today we are talking to Kueppo Wesley, the winner of September 2022 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Kueppo: Well, I started working with computers in 2018-2019. That is my first year at University, before that I was more of a Physician, I did a lot of Maths and Physics in high school.

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Colin Crain › Perl Weekly Review #178

Monday, Oct 3, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 178 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would come from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 184

Monday, Oct 3, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 185

Monday, Oct 3, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: MAC Address 10. TASK #2: Mask Code HEADLINES Welcome to the Week #185 of The Weekly Challenge. Today, we are giving away Token #8 to Kjetil Skotheim for the book, Learning Perl Exercises by brian d foy. I will share the details with you in a separate email.

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Colin Crain › Perl Weekly Review #177

Monday, Sep 26, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 177 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would come from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 183

Monday, Sep 26, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 184

Monday, Sep 26, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Sequence Number 10. TASK #2: Split Array HEADLINES Welcome to the Week #184 of The Weekly Challenge. Today, we are giving away Token #7 to Peter Campbell Smith for the book, Learning Perl Exercises by brian d foy. I will share the details with you in a separate email.

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Colin Crain › Perl Weekly Review #176

Monday, Sep 19, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 176 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would come from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 182

Monday, Sep 19, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 183

Monday, Sep 19, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Unique Array 10. TASK #2: Date Difference HEADLINES Welcome to Week #183 of the weekly challenge. Today, we are giving away Token #6 to Dario Mazzeo for the book, Learning Perl Exercises by brian d foy. I will share the details with you in a separate email.

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Colin Crain › Perl Weekly Review #175

Monday, Sep 12, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 175 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would come from a field as wide ranging and varied as the people who choose to join the team.

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Meet The Champion: August 2022

Monday, Sep 12, 2022 by Mohammad S Anwar Perl, Raku

Get to know about Stephen G. Lynn. Welcome to the monthly series Meet The Champion. Last month we spoke to Marton Polgar, the winner of July 2022. Today we are talking to Stephen G. Lynn, the winner of August 2022 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Stephen: I am a non-CS academic, mostly teaching-focused these days.

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RECAP - The Weekly Challenge - 181

Monday, Sep 12, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 182

Monday, Sep 12, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Max Index 10. TASK #2: Common Path HEADLINES Welcome to Week #182 of the weekly challenge. Today, we are giving away Token #5 to Solathian for the book, Learning Perl Exercises by brian d foy. I will share the details with you in a separate email.

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Colin Crain › Perl Weekly Review #174

Monday, Sep 5, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 174 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would come from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 180

Monday, Sep 5, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 181

Monday, Sep 5, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Sentence Order 10. TASK #2: Hot Day HEADLINES Welcome to Week #181 of the weekly challenge. Welcome a new member, Bejoy Mathews, an experienced Perl hacker. Thanks for the first contributions in Perl. Today, we are giving away Token #4 to Kueppo Wesley for the book, Learning Perl Exercises by brian d foy.

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Colin Crain › Perl Weekly Review #173

Monday, Aug 29, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 173 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would come from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 179

Monday, Aug 29, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 180

Monday, Aug 29, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: First Unique Character 10. TASK #2: Trim List HEADLINES Welcome to Week #180 of the weekly challenge. Today, we are giving away Token #3 to Robert DiCicco for the book, Learning Perl Exercises by brian d foy. I will share the details with you in a separate email.

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Colin Crain › Perl Weekly Review #172

Monday, Aug 22, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 172 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would be from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 178

Monday, Aug 22, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 179

Monday, Aug 22, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Ordinal Number Spelling 10. TASK #2: Unicode Sparkline HEADLINES Welcome to Week #179 of the weekly challenge. Let us all welcome new member, Solathian, an experienced Perl hacker. Thank you for the first solution in Perl. Thank you, AhmetEmre, for the first contributions in Raku.

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RECAP - The Weekly Challenge - 177

Monday, Aug 15, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 178

Monday, Aug 15, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Quater-imaginary Base 10. TASK #2: Business Date HEADLINES Welcome to Week #178 of the weekly challenge. We have two new members joining the Team PWC last week i.e. AhmetEmre and Aut0exec. Thank you AhmetEmre for solutions in BQN and Aut0exec for solution in Perl.

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Colin Crain › Perl Weekly Review #171

Sunday, Aug 14, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 171 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would be from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 176

Monday, Aug 8, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 177

Monday, Aug 8, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Damm Algorithm 10. TASK #2: Palindromic Prime Cyclops HEADLINES Welcome to Week #177 of the weekly challenge. Please checkout the interview with our champion PokGoPun. I forgot to mention that Dave Cross is back in action last week. Two weeks in a row, Week 175 and Week 176, incredible.

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Meet The Champion: June 2022

Tuesday, Aug 2, 2022 by Mohammad S Anwar Perl

Get to know about PokGoPun. Welcome to the monthly series Meet The Champion. Last month we spoke to Robert Ransbottom, the winner of May 2022. Today we are talking to PokGoPun, the winner of June 2022 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? PokGoPun: My passion in computer programming started since childhood when my parents brought home 8-bit home computer that equipped with Microsoft Extended BASIC, I recalled hooking the computer to TV, writing and running BASIC programs and then saving them to cassette tape for later modification, what a fun!

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Colin Crain › Perl Weekly Review #170

Monday, Aug 1, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 170 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would be from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 175

Monday, Aug 1, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 176

Monday, Aug 1, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Permuted Multiples 10. TASK #2: Reversible Numbers HEADLINES Welcome to Week #176 of the weekly challenge. Today is the first Monday of the month and time to declare our next champion. I declare, Marton Polgar, an expert in Raku as the next champion. As of today, he has contributed 46 solutions in Raku.

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RECAP - The Weekly Challenge - 174

Monday, Jul 25, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 175

Monday, Jul 25, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Last Sunday 10. TASK #2: Perfect Totient Numbers HEADLINES Welcome to Week #175 of the weekly challenge. Let us all welcome, Nicolas Mendoz and thanks for the contribution in Perl. Thank you, Gurunandan Bhat for the first contribution in Perl. Laurent Rosenfeld once again, the lead guest contributors with 22 solutions in 18 different languages.

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Colin Crain › Perl Weekly Review #169

Sunday, Jul 24, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 169 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would be from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 173

Monday, Jul 18, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 174

Monday, Jul 18, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Disarium Numbers 10. TASK #2: Permutation Ranking HEADLINES Welcome to Week #174 of the weekly challenge. I nominate, Roger Bell_West for the signed copy of Learning Perl, 8th edition by brian d foy. This is the last copy we had, so a big Thank You to brian d foy for the generous offer.

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Colin Crain › Perl Weekly Review #168

Saturday, Jul 16, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 168 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would be from a field as wide ranging and varied as the people who choose to join the team.

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The Weekly Challenge - 1000 days

Wednesday, Jul 13, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. UPDATES 3. SPONSORS 4. PLAN 5. CHAMPIONS HEADLINES We all know, The Weekly Challenge a.k.a Perl Weekly Challenge started on 25th March 2019. I must confess I didn’t expect it to last this long. What worked in our favour is that we instantly found handful core supporters, who not only took part in the weekly challenge regularly but also started spreading the word.

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RECAP - The Weekly Challenge - 172

Monday, Jul 11, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 173

Monday, Jul 11, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Esthetic Number 10. TASK #2: Sylvester’s sequence HEADLINES Welcome to Week #173 of the weekly challenge. I nominate, Ryan Thompson for the signed copy of Learning Perl, 8th edition by brian d foy. Next week, we are going to have one more nomination.

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Colin Crain › Perl Weekly Review #166

Sunday, Jul 10, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 166 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would be from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 171

Monday, Jul 4, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 172

Monday, Jul 4, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Prime Partition 10. TASK #2: Five-number Summary HEADLINES Welcome to Week #172 of the weekly challenge. Today is the first Monday of the month and time to announce the champion. Proud to declare PokGoPun as our next champion. He is relatively new to the Team PWC.

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Test::Excel

Sunday, Jul 3, 2022 by Mohammad S Anwar Perl

My first contribution to CPAN was Test::Excel. It was initiated as we had requirement for such at work at that time. It has gone through many changes, thanks to all for reporting issues and providing patches.. It even got space as topic for Day 18 in Perl Advent Calendar 2018. It was a proud moment when a collegue of mine at work requested help with Test::Excel as it was not behaving as per her requirements.

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Perl Question ???

Saturday, Jul 2, 2022 by Mohammad S Anwar Perl

A few days ago, I received an email from someone who appears to be Perl hacker and asked me a question. First, I feel honoured that somebody thinks I am capable to answer this question. I didn’t want quick reply to the email. Instead, I decided to write a short blog post and share with other Perl hackers, just in case. I have seen both styles and I believe it is just a matter of personal choice and style.

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Ryan Thompson › Perl Weekly Review #164

Tuesday, Jun 28, 2022 by Ryan Thompson perl

Continues from previous week. Ryan Thompson with you this week. I’m back doing reviews temporarily to help Colin out, so expect to see both of us in the weeks to come! Welcome to the Perl review for Week 164 of the Weekly Challenge! For a quick overview, go through the original tasks and recap of the weekly challenge. Getting in Touch Email › Email me (Ryan) with any feedback about this review.

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Colin Crain › Perl Weekly Review #165

Monday, Jun 27, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 165 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would be from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 170

Monday, Jun 27, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 171

Monday, Jun 27, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Abundant Number 10. TASK #2: First-class Function HEADLINES Welcome to Week #171 of the weekly challenge. Let us all welcome another experienced Perl hacker from France, Philippe Bricout. You should definitely checkout his Perl solution. Welcome back, Mark Senn and thanks for your contribution in Raku.

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Colin Crain › Perl Weekly Review #163

Monday, Jun 20, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 163 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would be from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 169

Monday, Jun 20, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 170

Monday, Jun 20, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Primorial Numbers 10. TASK #2: Kronecker Product HEADLINES Welcome to a yet another fun Week #170. We have new member Dario Mazzeo, an experienced Perl hacker, joining the Team PWC. Congratulation everyone for reaching the target of 100+ contributions once again. Even the guest contributions is becoming popular among the team members.

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Decode Hexdump

Saturday, Jun 18, 2022 by Mohammad S Anwar Perl

Those who know me personally, are aware that my background is Mathematical as I did Degree in Mathematics Honours in the year 1993-95. During my early days with COBOL and Pascal, I never dealt with Unicode or played with bytes. Even when I moved to C, I was still no where near it. Those with Degree in Computer Science always stay ahead in the understandings of these low level key aspects of programming.

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Colin Crain › Perl Weekly Review #162

Monday, Jun 13, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 162 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would be from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 168

Monday, Jun 13, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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Strawberry Perl

Monday, Jun 13, 2022 by Mohammad S Anwar Perl

Last week I wrote blog post Do you want to get started with Perl v5.36? where I shared my experience with the latest release Perl v5.36. I received this email today. The reality is, I never use Perl on Windows. And second never bothered creating .exe from the source file. I decided to give it a go, so first thing we need to download Strawberry Perl. T had the choice to download strawberry-perl-5.

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The Weekly Challenge - 169

Monday, Jun 13, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Brilliant Numbers 10. TASK #2: Achilles Numbers HEADLINES Welcome to a very special Week #169. Why so special? Well, we got two new members joining the Team PWC, Stephen G Lynn and habere-et-dispertire. There is another reason why it is so special. Thanks to the kind help by Lance Wicks, we finally have the design ready for the 1000 days celebration T-shirt.

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Get started with Perl v5.36

Saturday, Jun 11, 2022 by Mohammad S Anwar Perl

Do you want to get started with Perl v5.36? Honestly speaking I never bothered about any of the Perl releases before. But Perl v5.36 is very special and close to me. Why? Recently I have been sharing new features introduced in Perl dating back to v5.10, inspired by the book Perl new features v5.10 to v5.34 by brain d foy. I received a FREE copy of the book, a big thank you to brian d foy.

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Taint in Perl

Thursday, Jun 9, 2022 by Mohammad S Anwar Perl

The "taint" always bothered me. I thought I knew it well but no. The obvious question, can I show a working example? Before I do that, let me share an incident with you. In the year 2019, I attended The Perl Conference in Riga. During the 3 days event, I gave couple of talks and one of them was "Protect your Perl script from common security issues". You can checkout my event report, if you are interested.

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Memory Leak in Perl

Wednesday, Jun 8, 2022 by Mohammad S Anwar Perl

I always find the topic Memory Management very fascinating. Perl being the Perl, there is nothing you need to worry about. All memory management is done for us for FREE. Still, there was something, I always wanted to find out about memory management in Perl. All along, I knew that there is an easy way I can force my script to leak memory. How? Just create a data structure with circular reference.

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RECAP - The Weekly Challenge - 167

Monday, Jun 6, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 168

Monday, Jun 6, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Perrin Prime 10. TASK #2: Home Prime HEADLINES Welcome to the Week #168. Let us all welcome guest Michael DiCicco from Little Rock, AR sharing his first contributions in Java and Python. What a coincidence, we have two members sharing the same surname DiCicco and he is none other than our very own champion Robert DiCicco.

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Colin Crain › Perl Weekly Review #161

Monday, May 30, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 161 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would be from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 166

Monday, May 30, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 167

Monday, May 30, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Circular Prime 10. TASK #2: Gamma Function HEADLINES Welcome to the Week #167 and I got the opportunity to propose the challenge. For me the main attraction was the blog post by Julien Fiegehenn for the first time. Colin Crain seems to be busy as we didn’t get the blog post 2 weeks in a row.

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RECAP - The Weekly Challenge - 165

Monday, May 23, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 166

Monday, May 23, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Hexadecimal Words 10. TASK #2: K-Directory Diff HEADLINES Welcome to yet another fun Week #166, thanks to the exciting tasks by Ryan Thompson. Lets us welcome new member, Roman Kotelnikov with his guest contributions in J. Talking about guest contributions, this week we had contributions in TypeScript by Julien Fiegehenn.

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Colin Crain › Perl Weekly Review #160

Tuesday, May 17, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 160 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would be from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 164

Monday, May 16, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 165

Monday, May 16, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Scalable Vector Graphics (SVG) 10. TASK #2: Line of Best Fit HEADLINES Welcome to the Week #165. Let us all welcome 2 new members, James Marquis and Humberto Massa to the Team PWC. We had the pleasure to interview latest champion, Matthew Neleigh. It was great knowing him.

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Meet The Champion: April 2022

Sunday, May 15, 2022 by Mohammad S Anwar Perl

Get to know about Matthew Neleigh. Welcome to the monthly series Meet The Champion. Last month we spoke to Eric Cheung, the winner of March 2022. Today we are talking to Matthew Neleigh, the winner of April 2022 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Matthew: I’ve programmed in BASIC, Pascal, Java, C, Perl, and the Bourne shell, targeting everything from 8-bit microcontrollers to UNIX minicomputers.

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Colin Crain › Perl Weekly Review #159

Monday, May 9, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 159 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would be from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 163

Monday, May 9, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 164

Monday, May 9, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Prime Palindrome 10. TASK #2: Happy Numbers HEADLINES Welcome to the Week #164 with new member Luiz Felipe from Brazil. Thank you, Luiz for your first contributions in Perl. Thank you, Ryan Thompson for the contributions in Perl and Raku. I should also thank, Julien Fiegehenn for the contributions in Perl.

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Colin Crain › Perl Weekly Review #158

Monday, May 2, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 158 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would be from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 162

Monday, May 2, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 163

Monday, May 2, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Sum Bitwise Operator 10. TASK #2: Summations HEADLINES We are celebrating Idd today in England. Happy Idd to all the members of Team PWC. Today is also the first Monday of the month, Time to declare the next champion. With great pleasure, we declare Matthew Neleigh as our next champion.

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RECAP - The Weekly Challenge - 161

Monday, Apr 25, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 162

Monday, Apr 25, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: ISBN-13 10. TASK #2: Wheatstone-Playfair HEADLINES Time flies by so fast, it is unbelievable, we are now in the Week #162. Let us all welcome new member, Rick Bychowski, from California and thank you for your first contributions in Raku. We also had, Ryan Thompson, back in action.

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Colin Crain › Perl Weekly Review #157

Sunday, Apr 24, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 157 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would be from a field as wide ranging and varied as the people who choose to join the team.

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Colin Crain › Perl Weekly Review #156

Monday, Apr 18, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 156 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would be from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 160

Monday, Apr 18, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 161

Monday, Apr 18, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Abecedarian Words 10. TASK #2: Pangrams HEADLINES Welcome to yet another fun weekly challenge. We had the pleasure to interview our latest champion, Eric Cheung. There was another surprise, pleasant one, we had last week. Our ex-Perl Reviewer, Ryan J Thompson, got in touch with us.

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Colin Crain › Perl Weekly Review #155

Monday, Apr 11, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 155 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would be from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 159

Monday, Apr 11, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 160

Monday, Apr 11, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Four Is Magic 10. TASK #2: Equilibrium Index HEADLINES Welcome to yet another fun week, thanks to all the dedicated members of Team PWC. I would like to mention one name, Laurent Rosenfeld, one of the few who stayed with us from day one.

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RECAP - The Weekly Challenge - 158

Monday, Apr 4, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 159

Monday, Apr 4, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Farey Sequence 10. TASK #2: Moebius Number HEADLINES Welcome to the first weekly challenge of the holy month of Ramadan. Also today is the first Monday of the month and time to announce the next champion. With great pleasure I announce, Eric Cheung, as the Champion of the month.

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Colin Crain › Perl Weekly Review #154

Sunday, Apr 3, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 154 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would be from a field as wide ranging and varied as the people who choose to join the team.

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Colin Crain › Perl Weekly Review #153

Monday, Mar 28, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 153 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would be from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 157

Monday, Mar 28, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 158

Monday, Mar 28, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Additive Primes 10. TASK #2: First Series Cuban Primes HEADLINES Welcome to the Week #158. With this we are now 3 years old. Technically speaking, the third anniversary was on 25th March 2022. Welcome back, Paulo Custodio after the break. Thanks for sharing contributions for Week #146, Week #147, Week #148, Week #149, Week #150, Week #151, Week #152, Week #153, Week #154, Week #155, Week #156 and Week #157.

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Colin Crain › Perl Weekly Review #152

Monday, Mar 21, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 152 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would be from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 156

Monday, Mar 21, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 157

Monday, Mar 21, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Pythagorean Means 10. TASK #2: Brazilian Number HEADLINES Welcome Kueppo Wesley to the Team PWC. Thank you for the impressive introduction as below. My name is KUEPPO Wesley and I live in Africa/Cameroon/Yaounde, I'm 20 yrs/old, the first born out of 7. I'm a student at the University of Yaounde I, level 3, preparing for my Bachelor's degree in Computer Science.

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Colin Crain › Perl Weekly Review #151

Wednesday, Mar 16, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 151 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would be from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 155

Monday, Mar 14, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 156

Monday, Mar 14, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Pernicious Numbers 10. TASK #2: Weird Number HEADLINES Welcome Daniel Pfeiffer to the Team PWC. We are now strong team of 252 members. The interview with our latest champion, Robert DiCicco, is live now. It was great knowing him. Robert is so lucky to be able to spend time coding even after retirement.

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Meet The Champion: February 2022

Thursday, Mar 10, 2022 by Mohammad S Anwar Perl, Raku

Get to know about Robert DiCicco. Welcome to the monthly series Meet The Champion. Last month we spoke to Alexander Pankoff, the winner of January 2022. Today we are talking to Robert DiCicco, the winner of February 2022 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Robert: I started back in the dark ages, 1986. I took a job as a System Administrator at a publishing company.

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RECAP - The Weekly Challenge - 154

Monday, Mar 7, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 155

Monday, Mar 7, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Fortunate Numbers 10. TASK #2: Pisano Period HEADLINES Welcome to the Week #155. It is hard to believe the number. At times I feel like taking short break from the routine that I have been following for the last 3 years (almost). But then when I read the positive comments week after week by the dedicated members, I drop the idea completely.

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Colin Crain › Perl Weekly Review #150

Sunday, Mar 6, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 150 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would be from a field as wide ranging and varied as the people who choose to join the team.

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Colin Crain › Perl Weekly Review #149

Monday, Feb 28, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 149 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would be from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 153

Monday, Feb 28, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 154

Monday, Feb 28, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Missing Permutation 10. TASK #2: Padovan Prime HEADLINES Welcome to yet another week full of factorials left right center. The magic of factorials did the trick. For the first time in the history of weekly challenge, we have received more guest contributions than the regular contributions.

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Colin Crain › Perl Weekly Review #148

Monday, Feb 21, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 148 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would be from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 152

Monday, Feb 21, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 153

Monday, Feb 21, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Left Factorials 10. TASK #2: Factorions HEADLINES Welcome PokGoPun to the Team PWC. We now have 250 members in the team. Last week, we had the opportunity to interview the latest champion, Alexander Pankoff. It was pleasure knowing him. Please do checkout to find out more about him.

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Meet The Champion: January 2022

Thursday, Feb 17, 2022 by Mohammad S Anwar Perl

Get to know about Alexander Pankoff. Welcome to the monthly series Meet The Champion. Last month we spoke to Peter Campbell Smith, the winner of December 2021. Today we are talking to Alexander Pankoff, the winner of January 2022 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Alexander: I got interested in computers early in my childhood.

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Colin Crain › Perl Weekly Review #147

Monday, Feb 14, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 147 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would be from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 151

Monday, Feb 14, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 152

Monday, Feb 14, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Triangle Sum Path 10. TASK #2: Rectangle Area HEADLINES Welcome to Week #152, a rather quiet one, where we received 68 regular contributions and 45 guest contributions. It didn’t trouble me much, which is good in a way. Hopefully it would bounce back this week.

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RECAP - The Weekly Challenge - 150

Monday, Feb 7, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 151

Monday, Feb 7, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Binary Tree Depth 10. TASK #2: Rob The House HEADLINES Today is the first Monday of the month and it is time to announce the next champion, Alexander Pankoff, currently ranked #49 with 62 contributions in Perl. Last week, for the first time, he shared two blogs, #1 and #2.

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Colin Crain › Perl Weekly Review #146

Sunday, Feb 6, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 146 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. ●︎ Why do we do these challenges? I suppose any reasonable answer to that question would be from a field as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 149

Monday, Jan 31, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 150

Monday, Jan 31, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Fibonacci Words 10. TASK #2: Square-free Integer HEADLINES Welcome to the Week #150, we reached another milestone, thanks to the support and dedication of Team PWC. I would like to mention one of the highlights of the weekly challenge is the quality blogs shared by the team members.

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Colin Crain › Perl Weekly Review #145

Sunday, Jan 30, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 145 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any reasonable answers to that question would be as wide ranging and varied as the people who choose to join the team.

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Colin Crain › Perl Weekly Review #144

Monday, Jan 24, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 144 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any reasonable answers to that question would be as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 148

Monday, Jan 24, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 149

Monday, Jan 24, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Fibonacci Digit Sum 10. TASK #2: Largest Square HEADLINES Welcome to the Week #149 with a good news that Pete Sergeant has promised to sponsor the monthly prize for another 12 months. I would like to take this opportunity to thank, Pete, for the support and encouragement.

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Colin Crain › Perl Weekly Review #143

Monday, Jan 17, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 143 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any reasonable answers to that question would be as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 147

Monday, Jan 17, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 148

Monday, Jan 17, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Eban Numbers 10. TASK #2: Cardano Triplets HEADLINES Welcome to the Week #148 with a new member Marton Polgar. Marton shared solutions in Raku in the very first week. I get excited everytime, I come across blog post by fellow team members. Last week, Roger Bell_West shared very inspiring blog post.

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Colin Crain › Perl Weekly Review #142

Monday, Jan 10, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 142 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any reasonable answers to that question would be as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 146

Monday, Jan 10, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 147

Monday, Jan 10, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Truncatable Prime 10. TASK #2: Pentagon Numbers HEADLINES Welcome to the Week #147 with the interview with the champion, Peter Campbell Smith. Do you know about Early Bird Club? Well, it is a private club whose members get the first glimpse of the upcoming challenges before the general public.

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Meet The Champion: December 2021

Tuesday, Jan 4, 2022 by Mohammad S Anwar Perl

Get to know about Peter Campbell Smith. Welcome to the monthly series Meet The Champion. Last month we spoke to W. Luis Mochan, the winner of November 2021. Today we are talking to Peter Campbell Smith, the winner of December 2021 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: How/When did you start using Perl? Peter: I was the technical lead on a project to re-engineer the software that keep the San Francisco BART metro system running on time.

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RECAP - The Weekly Challenge - 145

Monday, Jan 3, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 146

Monday, Jan 3, 2022 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: 10001st Prime Number 10. TASK #2: Curious Fraction Tree HEADLINES Happy New Year Let us welcome new year 2022 with the happy note as we declare the next champion. As per the tradition, we announce the champion on the first Monday of the month.

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Colin Crain › Perl Weekly Review #141

Sunday, Jan 2, 2022 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 141 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any reasonable answers to that question would be as wide ranging and varied as the people who choose to join the team.

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Colin Crain › Perl Weekly Review #140

Tuesday, Dec 28, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 140 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any reasonable answers to that question would be as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 144

Monday, Dec 27, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 145

Monday, Dec 27, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Dot Product 10. TASK #2: Palindromic Tree HEADLINES Merry Christmas to all the members of Team PWC. I wish you all the happiness in the world. Last week for me was for the family. I spent quality time with kids. I have another week off left.

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Advent Calendar - December 25, 2021

Saturday, Dec 25, 2021 by Mohammad S Anwar Perl

Advent Calendar 2021 | Day 24 | Day 25 | Let’s conclude the event with the final present from me to all Perl fans. This video is picked from my YouTube Channel. Task #1: Swap Odd/Even bits You are given a positive integer $N less than or equal to 255. Write a script to swap the odd positioned bit with even positioned bit and print the decimal equivalent of the new binary representation.

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Advent Calendar - December 24, 2021

Friday, Dec 24, 2021 by Flavio Poletti Perl

Advent Calendar 2021 | Day 23 | Day 24 | Day 25 | The gift is presented by Flavio Poletti. Today he is talking about his solution to “The Weekly Challenge - 094”. This is re-produced for Advent Calendar 2021 from the original post by Flavio Poletti. Task #2: Group Anagrams You are given an array of strings @S. Write a script to group Anagrams together in any random order.

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Advent Calendar 2021

Friday, Dec 24, 2021 by Mohammad S Anwar Perl, Raku

| 2019 | 2020 | 2021 | 2022 | 2023 | We are back, third time in a row with Advent Calendar. I promise to present interesting topic every day contributed by esteemed members of Team PWC. MON TUE WED THU

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Advent Calendar - December 23, 2021

Thursday, Dec 23, 2021 by Ryan Thompson Perl, Raku

Advent Calendar 2021 | Day 22 | Day 23 | Day 24 | The gift is presented by Ryan Thompson. Today he is talking about his solution to “The Weekly Challenge - 110”. This is re-produced for Advent Calendar 2021 from the original post by Ryan Thompson. Task #2: Transpose CSV File You are given a text file. Write a script to transpose the contents of the given file.

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Advent Calendar - December 22, 2021

Wednesday, Dec 22, 2021 by Javier Luque Perl, Raku

Advent Calendar 2021 | Day 21 | Day 22 | Day 23 | The gift is presented by Javier Luque. Today he is talking about his solution to “The Weekly Challenge - 076”. This is re-produced for Advent Calendar 2021 from the original post by Javier Luque. Task #2: Word Search Write a script that takes two file names. The first file would contain word search grid as shown below.

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Advent Calendar - December 21, 2021

Tuesday, Dec 21, 2021 by E. Choroba Perl

Advent Calendar 2021 | Day 20 | Day 21 | Day 22 | The gift is presented by E. Choroba. Today he is talking about his solution to “The Weekly Challenge - 061”. This is re-produced for Advent Calendar 2021 from the original post by E. Choroba. Task #1: Product SubArray Given a list of 4 or more numbers, write a script to find the contiguous sublist that has the maximum product.

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Advent Calendar - December 20, 2021

Monday, Dec 20, 2021 by Steven Wilson Perl

Advent Calendar 2021 | Day 19 | Day 20 | Day 21 | The gift is presented by Steven Wilson. Today he is talking about his solution to “The Weekly Challenge - 138”. This is re-produced for Advent Calendar 2021 from the original post by Steven Wilson. Task #1: Workdays You are given a year, $year in 4-digits form. Write a script to calculate the total number of workdays in the given year.

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Colin Crain › Perl Weekly Review #138

Monday, Dec 20, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 138 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any reasonable answers to that question would be as wide ranging and varied as the people who choose to join the team.

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Colin Crain › Perl Weekly Review #139

Monday, Dec 20, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 139 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any reasonable answers to that question would be as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 143

Monday, Dec 20, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 144

Monday, Dec 20, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Semiprime 10. TASK #2: Ulam Sequence HEADLINES Apology for the delay in the release of the weekly challenge. I would like to start the week with a good news, the fund for the 1000 days T-shirt campaign is now £1029.74, thanks to all sponsors, specially last minute surprise sponsor, Pete Sergeant.

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Advent Calendar - December 19, 2021

Sunday, Dec 19, 2021 by Jorg Sommrey Perl

Advent Calendar 2021 | Day 18 | Day 19 | Day 20 | The gift is presented by Jorg Sommrey. Today he is talking about his solution to “The Weekly Challenge - 085”. This is re-produced for Advent Calendar 2021 from the original post by Jorg Sommrey. Task #1: Triplet Sum You are given an array of real numbers greater than zero. Write a script to find if there exists a triplet (a,b,c) such that 1 < a+b+c < 2.

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Advent Calendar - December 17, 2021

Friday, Dec 17, 2021 by Walt Mankowski Perl

Advent Calendar 2021 | Day 16 | Day 17 | Day 18 | The gift is presented by Walt Mankowski. Today he is talking about his solution to “The Weekly Challenge - 089”. This is re-produced for Advent Calendar 2021 from the original post by Walt Mankoswki. Task #2: Magical Matrix Write a script to display matrix as below with numbers 1 - 9. Please make sure numbers are used once.

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Advent Calendar - December 16, 2021

Thursday, Dec 16, 2021 by Jaldhar H. Vyas Perl, Raku

Advent Calendar 2021 | Day 15 | Day 16 | Day 17 | The gift is presented by Jaldhar H. Vyas. Today he is talking about his solution to “The Weekly Challenge - 108”. This is re-produced for Advent Calendar 2021 from the original post by Jaldhar H. Vyas. Task #2: Bell Numbers Write a script to display top 10 Bell Numbers. Please refer to wikipedia page for more information.

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Advent Calendar - December 15, 2021

Wednesday, Dec 15, 2021 by Lubos Kolouch Perl, Python

Advent Calendar 2021 | Day 14 | Day 15 | Day 16 | The gift is presented by Lubos Kolouch. Today he is talking about his solution to “The Weekly Challenge - 088”. This is re-produced for Advent Calendar 2021 from the original post by Lubos Kolouch. Task #2: Spiral Matrix You are given m x n matrix of positive integers. Write a script to print spiral matrix as list.

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Advent Calendar - December 13, 2021

Monday, Dec 13, 2021 by W. Luis Mochan Perl

Advent Calendar 2021 | Day 12 | Day 13 | Day 14 | The gift is presented by W. Luis Mochan. Today he is talking about his solution to “The Weekly Challenge - 125”. This is re-produced for Advent Calendar 2021 from the original post by W. Luis Mochan. Task #1: Pythagorean Triples You are given a positive integer $N. Write a script to print all Pythagorean Triples containing $N as a member.

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RECAP - The Weekly Challenge - 142

Monday, Dec 13, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 143

Monday, Dec 13, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Calculator 10. TASK #2: Stealthy Number HEADLINES First thing first, let us Meet The Champion - W. Luis Mochan. I am sure, you all wanted to know about the 1000 days T-shirt campaign. I have had few more responses from the champions. There are still quite a lot members who have not replied to my email.

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Advent Calendar - December 12, 2021

Sunday, Dec 12, 2021 by Cheok-Yin Fung Perl

Advent Calendar 2021 | Day 11 | Day 12 | Day 13 | The gift is presented by Cheok-Yin Fung. Today he is talking about his solution to “The Weekly Challenge - 123”. This is re-produced for Advent Calendar 2021 from the original post by Cheok-Yin Fung. Task #2: Square Points You are given coordinates of four points i.e. (x1, y1), (x2, y2), (x3, y3) and (x4, y4).

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Advent Calendar - December 11, 2021

Saturday, Dec 11, 2021 by Adam Russell Perl

Advent Calendar 2021 | Day 10 | Day 11 | Day 12 | The gift is presented by Adam Russell. Today he is talking about his solution to “The Weekly Challenge - 122”. This is re-produced for Advent Calendar 2021 from the original post by Adam Russell. Task #1: Average of Stream You are given a stream of numbers, @N. Write a script to print the average of the stream at every point.

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Advent Calendar - December 9, 2021

Thursday, Dec 9, 2021 by Laurent Rosenfeld Perl, Raku

Advent Calendar 2021 | Day 8 | Day 9 | Day 10 | The gift is presented by Laurent Rosenfeld. Today he is talking about his solution to “The Weekly Challenge - 114”. This is re-produced for Advent Calendar 2021 from the original post by Laurent Rosenfeld. Task #1: Next Palindrome Number You are given a positive integer $N. Write a script to find out the next Palindrome Number higher than the given integer $N.

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Advent Calendar - December 8, 2021

Wednesday, Dec 8, 2021 by Colin Crain Perl

Advent Calendar 2021 | Day 7 | Day 8 | Day 9 | The gift is presented by Colin Crain. Today he is talking about his solution to “The Weekly Challenge - 112”. This is re-produced for Advent Calendar 2021 from the original post by Colin Crain. Task #1: Canonical Path You are given a string path, starting with a slash ‘/'. Write a script to convert the given absolute path to the simplified canonical path.

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Meet The Champion: November 2021

Wednesday, Dec 8, 2021 by Mohammad S Anwar Perl

Get to know about W. Luis Mochan Welcome to the monthly series Meet The Champion. Last month we spoke to Paulo Custodio, the winner of October 2021. Today we are talking to W. Luis Mochan, the winner of November 2021 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Luis: I’m a Physicist, working at UNAM, the National University of México where I do theoretical research on the linear and non-linear optical properties of materials, surfaces, disordered systems, metamaterials and photonic crystals.

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Advent Calendar - December 7, 2021

Tuesday, Dec 7, 2021 by James Smith Perl

Advent Calendar 2021 | Day 6 | Day 7 | Day 8 | The gift is presented by James Smith. Today he is talking about his solution to “The Weekly Challenge - 107”. This is re-produced for Advent Calendar 2021 from the original post by James Smith. Task #1: Self-descriptive Numbers Write a script to display the first three self-descriptive numbers. As per wikipedia, the definition of Self-descriptive Number is

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Colin Crain › Perl Weekly Review #137

Monday, Dec 6, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 137 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any reasonable answers to that question would be as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 141

Monday, Dec 6, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 142

Monday, Dec 6, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Divisor Last Digit 10. TASK #2: Sleep Sort HEADLINES Today is the first Monday of the month. You guessed it right, time to declare the Champion of The Weekly Challenge. With great pride, I declare W. Luis Mochan as our next Champion. Luis joined the Team PWC in the Week 88.

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Advent Calendar - December 5, 2021

Sunday, Dec 5, 2021 by Simon Green Perl

Advent Calendar 2021 | Day 4 | Day 5 | Day 6 | The gift is presented by Simon Green. Today he is talking about his solution to “The Weekly Challenge - 101”. This is re-produced for Advent Calendar 2021 from the original post by Simon Green. Task #1: Pack a Spiral You are given an array @A of items (integers say, but they can be anything). Your task is to pack that array into an MxN matrix spirally counterclockwise, as tightly as possible.

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Advent Calendar - December 4, 2021

Saturday, Dec 4, 2021 by Flavio Poletti Perl

Advent Calendar 2021 | Day 3 | Day 4 | Day 5 | The gift is presented by Flavio Poletti. Today he is talking about his solution to “The Weekly Challenge - 100”. This is re-produced for Advent Calendar 2021 from the original post by Flavio Poletti. Task #2: Triangle Sum You are given triangle array. Write a script to find the minimum path sum from top to bottom.

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Advent Calendar - December 3, 2021

Friday, Dec 3, 2021 by Arne Sommer Perl, Raku

Advent Calendar 2021 | Day 2 | Day 3 | Day 4 | The gift is presented by Arne Sommer. Today he is talking about his solution to “The Weekly Challenge - 097”. This is re-produced for Advent Calendar 2021 from the original post by Arne Sommer. Task #1: Caesar Cipher You are given string $S containing alphabets A..Z only and a number $N. Write a script to encrypt the given string $S using Caesar Cipher with left shift of size $N.

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Advent Calendar - December 2, 2021

Thursday, Dec 2, 2021 by Dave Jacoby Perl

Advent Calendar 2021 | Day 1 | Day 2 | Day 3 | The gift is presented by Dave Jacoby. Today he is talking about his solution to “The Weekly Challenge - 096”. This is re-produced for Advent Calendar 2021 from the original post by Dave Jacoby. Task #2: Edit Distance Write a script to find out the minimum operations required to convert $S1 into $S2. The operations can be insert, remove or replace a character.

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Advent Calendar - December 1, 2021

Wednesday, Dec 1, 2021 by Abigail Perl

Advent Calendar 2021 | Day 1 | Day 2 | The gift is presented by Abigail. Today he is talking about his solution to “The Weekly Challenge - 095”. This is re-produced for Advent Calendar 2021 from the original post by Abigail. Task #1: Palindrome Number You are given a number $N. Write a script to figure out if the given number is a palindrome. Print 1 if true otherwise 0.

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Colin Crain › Perl Weekly Review #136

Monday, Nov 29, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 136 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any reasonable answers to that question would be as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 140

Monday, Nov 29, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 141

Monday, Nov 29, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Number Divisors 10. TASK #2: Like Numbers HEADLINES We are getting closer to the 1000 days of The Weekly Challenge. I would like to thank each and every sponsor of the FREE T-shirt campaign. Please do check out the blog post for up to date information about the campaign.

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Colin Crain › Perl Weekly Review #135

Tuesday, Nov 23, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 135 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any reasonable answers to that question would be as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 139

Monday, Nov 22, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 140

Monday, Nov 22, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Add Binary 10. TASK #2: Multiplication Table HEADLINES Last week, I spoke about celebrating 1000 days of The Weekly Challenge by giving away FREE T-shirt to all the champions of the weekly challenge. I am overwhelmed by the support to the campaign. I have created blog post with all the details.

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RECAP - The Weekly Challenge - 138

Monday, Nov 15, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 139

Monday, Nov 15, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: JortSort 10. TASK #2: Long Primes HEADLINES Before I forget, please let me share the interview with last month champion, Paulo Custodio. It is always great pleasure to know about weekly champion. As you all know, the season of Advent Calendar is coming soon.

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Colin Crain › Perl Weekly Review #134

Monday, Nov 8, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 134 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any reasonable answers to that question would be as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 137

Monday, Nov 8, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 138

Monday, Nov 8, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Workdays 10. TASK #2: Split Number HEADLINES Today, we are 960 days old, very close to the target of 4-digits number. Congratulations to Team PWC for the support and encouragements. I am happy to see the growing popularity of guest contributions. I am glad to contribute as well although my contribution is not significant, still it feels nice.

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Meet The Champion: October 2021

Sunday, Nov 7, 2021 by Mohammad S Anwar Perl

Get to know about Paulo Custodio Welcome to the monthly series Meet The Champion. Last month we declared Jan Krnavek, the winner of September 2021. Today we are talking to Paulo Custodio, the winner of October 2021 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Paulo: I started with computers as a teenager with a Timex Sinclair 1000 (a ZX-81 clone) at home and a Commodore PET 8032 at school.

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RECAP - The Weekly Challenge - 136

Monday, Nov 1, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 137

Monday, Nov 1, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Long Year 10. TASK #2: Lychrel Number HEADLINES Let us welcome November with a bang !!! Today is the first Monday of the month and it is the time to declare the champion of the weekly challenge. Paulo Custodio With great pleasure, I announce, Paulo Custodio as the champion.

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Colin Crain › Perl Weekly Review #133

Sunday, Oct 31, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 133 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any reasonable answers to that question would be as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 135

Monday, Oct 25, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 136

Monday, Oct 25, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Two Friendly 10. TASK #2: Fibonacci Sequence HEADLINES What a week it was !!! The Week #135 was special in many ways, please let me share the secrets. We breached the 100+ target once again, thanks to each and every members of Team PWC.

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Colin Crain › Perl Weekly Review #132

Sunday, Oct 24, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 132 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any reasonable answers to that question would be as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 134

Monday, Oct 18, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 135

Monday, Oct 18, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Middle 3-digits 10. TASK #2: Validate SEDOL HEADLINES Welcome to the Week #135. We are nearly halfway through the Hacktoberfest already. If you haven’t kickstarted your journey then please don’t delay it any further. You still have time submit minimum 4 Pull Requests to receive the specially designed T-shirt anywhere in the world, thanks to the origaniser, Digital Ocean.

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Colin Crain › Perl Weekly Review #131

Sunday, Oct 17, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 131 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any reasonable answers to that question would be as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 133

Monday, Oct 11, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 134

Monday, Oct 11, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Pandigital Numbers 10. TASK #2: Distinct Terms Count HEADLINES Welcome to the Week #134, we had more engagements than the previous week. Looks like Hacktoberfest festival is keeping everyone busy. We have participated in the annual event every year without fail. I am hoping it would get even busier.

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RECAP - The Weekly Challenge - 132

Monday, Oct 4, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 133

Monday, Oct 4, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Integer Square Root 10. TASK #2: Smith Numbers HEADLINES Welcome to the Week #133 and today is the first Monday of the month. So it is time to declare the champion. I announce the next champion, Jan Krnavek, a Raku enthusiast. He is ranked #36 in the leaderboard with total score of 218 as of today.

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Colin Crain › Perl Weekly Review #130

Sunday, Oct 3, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review pages for Week 130 of The Weekly Challenge! Here we will take the time to discuss the submissions offered up by the team, factor out some common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any collection of answers to that question would be as wide ranging and varied as the people who choose to join the team.

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Meet The Champion: August 2021

Sunday, Oct 3, 2021 by Mohammad S Anwar Perl

Get to know about Jorg Sommrey Welcome to the monthly series Meet The Champion. Last month we spoke to Flavio Poletti, the winner of July 2021. Today we are talking to Jorg Sommrey, the winner of August 2021 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Jorg: My programming experiences started at High School. They had a transistor based “computer” the size and shape of a piano equipped with some limited drum memory.

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Colin Crain › Perl Weekly Review #129

Monday, Sep 27, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 129 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 131

Monday, Sep 27, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 132

Monday, Sep 27, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Mirror Dates 10. TASK #2: Hash Join HEADLINES Welcome to the Week #132. I would like to take this opportunity to thank every member of Early Bird Club for helping with task review. Your help and support is much appreciated. I would also like to thank Team PWC for suggesting fun tasks.

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RECAP - The Weekly Challenge - 130

Monday, Sep 20, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 131

Monday, Sep 20, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Consecutive Arrays 10. TASK #2: Find Pairs HEADLINES Let’s welcome Week #131 with 3 new members i.e. Rich Snyder, Ivan Dimitrov and Conor Hoekstra. We now have 240 members and 10 guests. Conor Hoeksta introduced new language J to Team PWC. After relatively quiet Week #129, last week was much better.

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Colin Crain › Perl Weekly Review #128

Sunday, Sep 19, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 128 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 129

Monday, Sep 13, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 130

Monday, Sep 13, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Odd Number 10. TASK #2: Binary Search Tree HEADLINES Welcome to the Week #130, a very special one. Why? Well, we are now 900+ days old today. The weekly challenge was born on Monday, 25th March 2019, so as of today we are 904 days old to be precise.

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Colin Crain › Perl Weekly Review #127

Sunday, Sep 12, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 127 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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Colin Crain › Perl Weekly Review #126

Monday, Sep 6, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 126 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 128

Monday, Sep 6, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 129

Monday, Sep 6, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Root Distance 10. TASK #2: Add Linked Lists HEADLINES Welcome to the week 129 and it is time to declare the champion and the winner is Jorg Sommrey currently ranked 28th in the leaderboard with 141 contributions in Perl and a blog so far.

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Colin Crain › Perl Weekly Review #125

Monday, Aug 30, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 125 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 127

Monday, Aug 30, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 128

Monday, Aug 30, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Maximum Sub-Matrix 10. TASK #2: Minimum Platforms HEADLINES Welcome to yet another fun week. It has been a great journey together. We have 2 new members joined us last week, Ioannis Bourlakos, and Ian Goodnight. Welcome on board Ioannis and Ian and thanks for your first contributions.

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Colin Crain › Perl Weekly Review #124

Tuesday, Aug 24, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 124 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 126

Monday, Aug 23, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 127

Monday, Aug 23, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Disjoint Sets 10. TASK #2: Conflict Intervals HEADLINES Congratulation Team PWC for reaching the 100+ contributions once again. We had 45 guest contributions too. Not a bad effort considering it is still holiday period for many members. Did you have notice, the github repository Perl Weekly Challenge Club now have 100 stars and 220 forks.

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Colin Crain › Perl Weekly Review #123

Sunday, Aug 22, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 123 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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Meet The Champion: July 2021

Friday, Aug 20, 2021 by Mohammad S Anwar Perl, Raku

Get to know about Flavio Poletti Welcome to the monthly series Meet The Champion. Today we are talking to Flavio Poletti, the winner of July 2021 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Flavio: As a kid, I loved my C64 for programming, most because I was really bad at games. Probably little patience and poor coordination skills!

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RECAP - The Weekly Challenge - 125

Monday, Aug 16, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 126

Monday, Aug 16, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Count Numbers 10. TASK #2: Minesweeper Game HEADLINES Welcome to yet another edition of the weekly challenge. I noticed the Week #125 was not so happening as compare to other weeks. Could holiday season be the reason? Possibly. I know some of the Team PWC members are enjoying the holiday break.

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RECAP - The Weekly Challenge - 124

Monday, Aug 9, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 125

Monday, Aug 9, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Pythagorean Triples 10. TASK #2: Binary Tree Diameter HEADLINES Welcome to the 125th edition of the weekly challenge. I would like to thank every Team PWC members for sharing fun tasks. It is a big help and reduce my work load. So please keep sending new challenges.

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Colin Crain › Perl Weekly Review #122

Sunday, Aug 8, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 122 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 123

Monday, Aug 2, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 124

Monday, Aug 2, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Happy Women Day 10. TASK #2: Tug of War HEADLINES Welcome to the first Monday of the month and as you all know, it is the time of the month when I pick a champion among the Team PWC. With great pride, I announce Flavio Poletti as the next Champion of the weekly challenge.

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Colin Crain › Perl Weekly Review #121

Sunday, Aug 1, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 121 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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Colin Crain › Perl Weekly Review #120

Monday, Jul 26, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 120 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 122

Monday, Jul 26, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 123

Monday, Jul 26, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Ugly Numbers 10. TASK #2: Square Points HEADLINES Welcome to the special edition of Week #123. Why special? Well, the number 123 is special and magic. I am glad, we did it again, we crossed the magic number 100+ contributions one more time. Thank you Team PWC.

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Colin Crain › Perl Weekly Review #119

Monday, Jul 19, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 119 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 121

Monday, Jul 19, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 122

Monday, Jul 19, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Average of Stream 10. TASK #2: Basketball Points HEADLINES Last week, we had 3 new members joined Team PWC. jdos22, Matthew Neleigh and Gurunandan Bhat are all experienced Perl hackers. jdos22 shared his solution to the Invert Bit task in Perl. Matthew Neleigh not only shared solutions to Week 121 but also Week #119 and Week #120.

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Colin Crain › Perl Weekly Review #118

Thursday, Jul 15, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 118 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 120

Monday, Jul 12, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 121

Monday, Jul 12, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Invert Bit 10. TASK #2: The Travelling Salesman HEADLINES The Week #120 became very special as far as guest contributions are concerned. We received 92 guest contributions last week in 33 languages, thanks to Team PWC. 16 guests contributed to the Week #120 record best figure.

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Colin Crain › Perl Weekly Review #117

Monday, Jul 5, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 117 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - The Weekly Challenge - 119

Monday, Jul 5, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 120

Monday, Jul 5, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Swap Odd/Even bits 10. TASK #2: Clock Angle HEADLINES Week #119 seems to be a memorable week. So many things happened and so fast. Domain name switch over is ongoing. Is it coincidence the domain switch brought sudden interest and new members as listed below.

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Colin Crain › Perl Weekly Review #116

Monday, Jun 28, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 116 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - Perl Weekly Challenge - 118

Monday, Jun 28, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 119

Monday, Jun 28, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Swap Nibbles 10. TASK #2: Sequence without 1-on-1 HEADLINES Welcome to the new home for The Weekly Challenge, a shiny new domain, theweeklychallenge.org. I had the domain registered long time ago but never got around to switch over. We, Gabor and I, spent an hour yesterday and got it moved to new domain.

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Colin Crain › Perl Weekly Review #115

Friday, Jun 25, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 115 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - Perl Weekly Challenge - 117

Monday, Jun 21, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 118

Monday, Jun 21, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Binary Palindrome 10. TASK #2: Adventure of Knight HEADLINES Last week, I had the opportunity to meet the champion, Pete Houston. It was great talking to him. Two new members, Lucas Ransan and Adam Herzog, joined the weekly challenge last week. We now have 225 members in the Team PWC.

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Meet The Champion: May 2021

Sunday, Jun 20, 2021 by Mohammad S Anwar Perl, Raku

Get to know about Pete Houston Welcome to the monthly series Meet The Champion. Last month we spoke to Aaron Smith, the winner of April 2021. Today we are talking to Pete Houston, the winner of May 2021 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Pete: The 8-bit home computing boom started me off in the 80s with BASIC and Z80 machine code.

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Colin Crain › Perl Weekly Review #114

Monday, Jun 14, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 114 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - Perl Weekly Challenge - 116

Monday, Jun 14, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 117

Monday, Jun 14, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Missing Row 10. TASK #2: Find Possible Paths HEADLINES I have seen the familiar faces, Bob Lied and Cristina Heredia, back again. Cristina even shared Python. Thanks for your contributions. I know, I haven’t participated in the weekly challenge in the last 2 weeks.

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Colin Crain › Perl Weekly Review #113

Monday, Jun 7, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 113 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - Perl Weekly Challenge - 115

Monday, Jun 7, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 116

Monday, Jun 7, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Number Sequence 10. TASK #2: Sum of Squares HEADLINES Today is the first Monday of the month and I eagerly wait for this moment to declare the next Champion of PWC. It is not just about the prize money but it gives me reason to celebrate the contributions of another Champion.

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Lets be friend ...

Friday, Jun 4, 2021 by Mohammad S Anwar Perl, Raku

What is the point of this blog? It has been a long time since I last blog. The main reason behind the blog is put forward my views in response to the questions raised earlier. It did hurt me to read about it. Havind said, I do my best not to upset anyone knowingly. It would have been lot better if it was addressed to me and not public. The mission PWC came into existence to fill the void created by the closure of “Pull Request Challenge” ran by Neil Bowers.

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Colin Crain › Perl Weekly Review #112

Monday, May 31, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 112 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - Perl Weekly Challenge - 114

Monday, May 31, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 115

Monday, May 31, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: String Chain 10. TASK #2: Largest Multiple HEADLINES Welcome to the Week #115 with the interview with Tyler Wardhaugh. Last week started with the pleasant surprise from Dave Cross who shared Perl solutions first thing on Monday morning. I would also like to mention another name Christian Jaeger who joined the Team PWC recently introduced FunctionalPerl and shared his solution using it.

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Meet The Champion: March 2021

Sunday, May 30, 2021 by Mohammad S Anwar Clojure, Lua, Python, Perl, Raku

Get to know about Tyler Wardhaugh Welcome to the monthly series Meet The Champion. Last month we spoke to Aaron Smith, the winner of April 2021. Today we are talking to Tyler Wardhaugh, the winner of March 2021 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Tyler: I began my career doing web development in the early ’90s.

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Colin Crain › Perl Weekly Review #111

Monday, May 24, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 111 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - Perl Weekly Challenge - 113

Monday, May 24, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 114

Monday, May 24, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Next Palindrome Number 10. TASK #2: Higher Integer Set Bits HEADLINES Let us all welcome, Christian Jaeger, to the Team PWC. In the first week itself, we have received solutions in Perl and Haskell. And not only that we even had bonus, blog as well.

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Colin Crain › Perl Weekly Review #110

Monday, May 17, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 110 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - Perl Weekly Challenge - 112

Monday, May 17, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 113

Monday, May 17, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Represent Integer 10. TASK #2: Recreate Binary Tree HEADLINES Let us all welcome, Dimitar Dimitrov, to the Team PWC. In the first week itself, we have received solution in Perl. Mohammad Anwar: Ordered Letters Let us share some interesting stats from the GitHub repository.

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Colin Crain › Perl Weekly Review #109

Monday, May 10, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 109 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - Perl Weekly Challenge - 111

Monday, May 10, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for your continuous support and encouragement. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 112

Monday, May 10, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Canonical Path 10. TASK #2: Climb Stairs HEADLINES Last week we declared Aaron Smith as the Champion of the month. We interview with him few days ago, please go check it out. Let us all welcome, David Schwartz, to the Team PWC. In the first week itself, we have received solutions in Perl and Python.

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Meet The Champion: April 2021

Saturday, May 8, 2021 by Mohammad S Anwar Perl, Raku

Get to know about Aaron Smith Welcome to the monthly series Meet The Champion. Last month we spoke to Tyler Wardhaugh, the winner of March 2021. Today we are talking to Aaron Smith, the winner of April 2021 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Aaron: I started programming when I was in grad school for Bioinformatics.

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RECAP - Perl Weekly Challenge - 110

Monday, May 3, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Let me congratulate Cristina Heredia on joining the Centurion Club. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 111

Monday, May 3, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Search Matrix 10. TASK #2: Ordered Letters HEADLINES Here we are in the Week #111. The number 111 is very special and has a story as well. I am a big fan of the game of cricket, you shouldn’t be surprised by the fact I come from India.

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Colin Crain › Perl Weekly Review #108

Sunday, May 2, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 108 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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Colin Crain › Perl Weekly Review #107

Monday, Apr 26, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 107 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - Perl Weekly Challenge - 109

Monday, Apr 26, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thanks to each and every members of Team PWC for making the weekly challenge so fun whilst knowledge sharing. I don’t have the data but I think, for the first time, we have SIX Star Contributors.

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The Weekly Challenge - 110

Monday, Apr 26, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Valid Phone Numbers 10. TASK #2: Transpose File HEADLINES Welcome to the Week #110. It appears to be a really long journey. It is only possible because of all your supports and encouragements. There are couple of things that made this week very special.

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Colin Crain › Perl Weekly Review #106

Monday, Apr 19, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 106 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - Perl Weekly Challenge - 108

Monday, Apr 19, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thanks to each and every contributors. We highly appreciate your support and encouragements. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 109

Monday, Apr 19, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Chowla Numbers 10. TASK #2: Four Squares Puzzle HEADLINES First thing first, please accept my apology for the delay. This is the first weekly challenge in the month of Ramadan 2021. My routine plan went for a toss. I should have been more prepared to the new routine because of Ramadan.

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RECAP - Perl Weekly Challenge - 107

Monday, Apr 12, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES W. Luis Mochan joined the Centurion Club this week, congratulations. Stuart Little shared solutions in Node.js for the first time. Please keep up the great work. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 108

Monday, Apr 12, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Locate Memory 10. TASK #2: Bell Numbers HEADLINES For the second week in a row, I have participated in the weekly challenge. Looks like, I am getting there, still a long way to my good old routine. I enjoy the company of Lance Wicks and kind of getting motivated as well.

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Colin Crain › Perl Weekly Review #105

Sunday, Apr 11, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 105 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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Colin Crain › Perl Weekly Review #104

Monday, Apr 5, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 104 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - Perl Weekly Challenge - 106

Monday, Apr 5, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Welcome back Guillermo Ramos and thanks for sharing solutions in Go lang. Another member, Richard Park, made a comeback with solutions in APL. Looks like this is comeback week, we have another member, Ben Davies, sharing the solutions in Raku after a long time.

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The Weekly Challenge - 107

Monday, Apr 5, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Self-descriptive Numbers 10. TASK #2: List Methods HEADLINES Finally we are now 2 years old and we should start behaving like serious player now. Agree? I would like to keep the fun part alive associated with the weekly challenge. I urge everyone please don’t restrict yourself to any rules.

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Colin Crain › Perl Weekly Review #103

Monday, Mar 29, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 103 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - Perl Weekly Challenge - 105

Monday, Mar 29, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Welcome to yet another fantastic week for the guest contributions. One day, it might go past the regular contributions of Perl and Raku. This week, Laurent Rosenfeld, introduced few new languages.

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The Weekly Challenge - 106

Monday, Mar 29, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Maximum Gap 10. TASK #2: Decimal String HEADLINES Belated 2nd Birthday everyone assoicated with The Weekly Challenge (a.k.a. Perl Weekly Challenge). Apology for not getting the celebration video done on the day. I have been extra busy with the routine office work and would remain so next couple of weeks.

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Colin Crain › Perl Weekly Review #102

Wednesday, Mar 24, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 102 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - Perl Weekly Challenge - 104

Monday, Mar 22, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Welcome to the recaps of Week #104. Enjoy !!! STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it. 1. Jaldhar H.

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The Weekly Challenge - 105

Monday, Mar 22, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Nth root 10. TASK #2: The Name Game HEADLINES Welcome to the Week #105. We are almost there to complete our second year of The Weekly Challenge (a.k.a. Perl Weekly Challenge). It has been a great experience. I have never done anything on this scale before.

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Colin Crain › Perl Weekly Review #101

Monday, Mar 15, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 101 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - Perl Weekly Challenge - 103

Monday, Mar 15, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Welcome to the Week 103. Please check out the incredible solutions by the Team PWC. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 104

Monday, Mar 15, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: FUSC Sequence 10. TASK #2: NIM Game HEADLINES This week was relative quiet but the modd was upbeat at always. Thanks to Team PWC for their support and encouragement. Special thanks to those who blog about it as well. You are doing great service to promote Perl and Raku.

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Meet The Champion: February 2021

Sunday, Mar 14, 2021 by Mohammad S Anwar Perl, Raku

Get to know about James Smith Welcome to the monthly series Meet The Champion. Last month we spoke to Stuart Little, the winner of January 2021. Today we are talking to James Smith, the winner of February 2021 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? James: I have been programming now for about 40 years, my first experience was when I was at school using a Teletype linked to the local college, and then with a Sinclair ZX81 - and Basic.

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Colin Crain › Perl Weekly Review #100

Monday, Mar 8, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 100 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - Perl Weekly Challenge - 102

Monday, Mar 8, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Welcome back Richard Park and thanks for sharing solutions in APL. Thanks James Smith for your first guest contributions in PHP. I would like to mention one more name when it comes to guest contributions, snd it is Abigail for the varieties of solutions every week.

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The Weekly Challenge - 103

Monday, Mar 8, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Chinese Zodiac 10. TASK #2: What’s playing? HEADLINES Recently we celebrated the 100th week of The Weekly Challenge and now we are moving to another celebration i.e. 2nd Anniversary. Honestly speaking I never dreamt of coming this far. Thanks to the support and encouragement of 200+ strong members of Team PWC.

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Colin Crain › Perl Weekly Review #099

Wednesday, Mar 3, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 099 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - Perl Weekly Challenge - 101

Monday, Mar 1, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Please enjoy this week contributions. Thank You. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it. 1) Roger Bell_West CONTRIBUTION STATS The total contributions in the week is 71.

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The Weekly Challenge - 102

Monday, Mar 1, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Rare Numbers 10. TASK #2: Hash-counting String HEADLINES Welcome to the Week #102. It has been relatively quiet week, I noticed. Even I am not well, just the seasonal bit. I hope to come back harder this week. Today is the first Monday of the month and time to declare the Champion.

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Colin Crain › Perl Weekly Review #098

Tuesday, Feb 23, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 098 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - Perl Weekly Challenge - 100

Monday, Feb 22, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Thank you Team PWC for making the Week #100 such a memorable week. STAR CONTRIBUTORS Following members shared solutions to both tasks in Perl and Raku as well as blogged about it.

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The Weekly Challenge - 101

Monday, Feb 22, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Pack a Spiral 10. TASK #2: Origin-containing Triangle HEADLINES The Week #100 came and gone. Lets continue the journey together and learn something new from each other. This week Mark J. Reed and Pablo Saavedra joined the Team PWC. We welcome both of them and wish an enjoyable ride with us.

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Meet The Champion: January 2021

Tuesday, Feb 16, 2021 by Mohammad S Anwar Perl, Raku

Get to know about Stuart Little Welcome to the monthly series Meet The Champion. Last month we spoke to Niels van Dijke, the winner of December 2020. Today we are talking to Stuart Little, the winner of January 2021 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Stuart: I don’t work in IT or make a living as a programmer, so on that front I consider myself an amateur.

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RECAP - Perl Weekly Challenge - 099

Monday, Feb 15, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES As you all know we are now in the Week #100, let us make this special by making it the best week as far as regular contributions of Perl and Raku along with blog.

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The Weekly Challenge - 100

Monday, Feb 15, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Fun Time 10. TASK #2: Triangle Sum HEADLINES The wait is over today finally and here we enter into the 100th week of The Weekly Challenge. There are plenty of happy stories to share with the team. I still remember the day I started the journey, it was just me.

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Colin Crain › Perl Weekly Review #097

Monday, Feb 8, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 097 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - Perl Weekly Challenge - 098

Monday, Feb 8, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Paulo Custodio introduced new language Ada. We now have guest contributions in 56 programming languages. Thanks to all guest contributors for doing past week challenges. It now looks same as regular contributions.

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The Weekly Challenge - 099

Monday, Feb 8, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Pattern Match 10. TASK #2: Unique Subsequence HEADLINES Welcome to Week #99 of the weekly challenge. We are almost there, so please keep your seat belt fastened. As you all know last week we declared Stuart Little, first Champion of 2021. To my surprise he donated the prize money towards the fund for the website.

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Colin Crain › Perl Weekly Review #096

Sunday, Feb 7, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 096 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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Colin Crain › Perl Weekly Review #095

Tuesday, Feb 2, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 095 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - Perl Weekly Challenge - 097

Monday, Feb 1, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Welcome back Lance Wicks, Richard Park and Alexander Pankoff after the break. Thanks Cheok-Yin Fung for introducing Smalltalk language. Thanks Richard Park for introducing BQN language. I would like to thank Team PWC for showing interest in the past challenges.

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The Weekly Challenge - 098

Monday, Feb 1, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Read N-characters 10. TASK #2: Search Insert Position HEADLINES We are fast approaching the 100th week of the weekly challenge. Have you got any plan? Any suggestion to make it a special? Do you know any fun and challenging tasks that we have not done yet for the special week?

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RECAP - Perl Weekly Challenge - 096

Monday, Jan 25, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Welcome back Ben Davies after the break. It gives me immense pleasure when I see member finds time in their routine schedule for us. Lubos Kolouch is a senior member of Team PWC and when he showed interesting in the past challenges and shared Perl, it filled me with pride.

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The Weekly Challenge - 097

Monday, Jan 25, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Caesar Cipher 10. TASK #2: Binary Substrings HEADLINES Welcome to week 97. Three more weeks to go before we reach 3 digits. If you remember, recently I asked for suggestions of ways to celebrate the big day. You still have time to send in your suggestions.

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Colin Crain › Perl Weekly Review #094

Wednesday, Jan 20, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 094 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - Perl Weekly Challenge - 095

Monday, Jan 18, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01) HEADLINES 02) STAR CONTRIBUTORS 03) CONTRIBUTION STATS 04) GUESTS 05) LANGUAGES 06) CENTURION CLUB 07) DAMIAN CONWAY’s CORNER 08) ANDREW SHITOV’s CORNER 09) PERL SOLUTIONS 10) RAKU SOLUTIONS 11) PERL & RAKU SOLUTIONS HEADLINES With recent push by Stuart Little, Haskell (245) became the #1 guest language pushing Python (223) to #2. I never thought Python would ever loose the top position. Python is still the most favourite language among the members.

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The Weekly Challenge - 096

Monday, Jan 18, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01) HEADLINES 02) SPONSOR 03) RECAP 04) PERL REVIEW 05) RAKU REVIEW 06) CHART 07) NEW MEMBERS 08) GUESTS 09) TASK #1: Reverse Words 10) TASK #2: Edit Distance HEADLINES Before I forget again, I would like to welcome back our friend Luca Ferrari. I still remember his note in his last blog (week #76) before the break. On the very next monday, September 7th, I will be in hospital for a new surgery on my (last) working right eye.

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Colin Crain › Perl Weekly Review #093

Sunday, Jan 17, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 093 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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RECAP - Perl Weekly Challenge - 094

Monday, Jan 11, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. STAR CONTRIBUTORS 03. CONTRIBUTION STATS 04. GUESTS 05. LANGUAGES 06. CENTURION CLUB 07. DAMIAN CONWAY’s CORNER 08. ANDREW SHITOV’s CORNER 09. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES As per the current trend of playing with other languages, Stuart Little pushed himself to rank #2 this week with all his contributions. Well done. Java is not very popular language among the Team PWC but this week I saw Mohammad Meraj Zia and Cheok-Yin Fung shared solution in Java.

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The Weekly Challenge - 095

Monday, Jan 11, 2021 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 01. HEADLINES 02. SPONSOR 03. RECAP 04. PERL REVIEW 05. RAKU REVIEW 06. CHART 07. NEW MEMBERS 08. GUESTS 09. TASK #1: Palindrome Number 10. TASK #2: Demo Stack HEADLINES Last week, we declared Niels van Dijke the last Champion of the year 2020. We are proud to present the interview with him. As always happens, you get to know a lot about the champion. This time around, I was pleasantly surprised to know a lot about Niels.

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Colin Crain › Perl Weekly Review #092

Saturday, Jan 9, 2021 by Colin Crain perl

( …continues from previous week. ) Welcome to the Perl review for Week 092 of the Weekly Challenge! Here we will take the time to discuss the submissions offered by the team, factor out the common methodologies that came up in those solutions, and highlight some of the unique approaches and unusual code created. Why do we do these challenges? I suppose any answers to that would be as wide ranging and varied as the people who choose to join the team.

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Meet The Champion: December 2020

Saturday, Jan 9, 2021 by Mohammad S Anwar Perl

Get to know about Niels van Dijke Welcome to the monthly series Meet The Champion. Last month we spoke to Simon Green, the winner of November 2020. Today we are talking to Niels van Dijke, the winner of December 2020 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Niels: I started programming around the age of 11 when my dad borrowed a Commodore PET computer from his work during a school holiday period.

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