Raku

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RECAP - The Weekly Challenge - 270

Monday, May 27, 2024 by Mohammad Sajid 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 - 271

Monday, May 27, 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 Ones 10. TASK #2: Sort by 1 bits HEADLINES Welcome to the Week #271 of The Weekly Challenge. Thank you. Lance Wicks, for yet another contribution in Perl. I would also like to thank, Nelo Tovar, for getting back to me with regard to the prize money.

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RECAP - The Weekly Challenge - 269

Monday, May 20, 2024 by Mohammad Sajid 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 - 270

Monday, May 20, 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: Special Positions 10. TASK #2: Equalize Array HEADLINES Welcome to the Week #270 of The Weekly Challenge. Thank you, Andrew Shitov, for yet another Raku review for Week #268. Did you notice, in recent time, we are exploring guest languages more than the primary languages Perl and Raku?

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Andrew Shitov Weekly Review: Challenge - 268

Tuesday, May 14, 2024 by Andrew Shitov Raku

Raku Solutions Weekly Review Pre-thoughts The first task was to find the magic number that, when added to every item of the first array, converts the array in such a way that all the numbers that you get after the addition are found in the second array of the same length. Sounds messy, but it effectively means that if you sort both arrays, then the difference between their corresponding elements is constant.

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RECAP - The Weekly Challenge - 268

Monday, May 13, 2024 by Mohammad Sajid 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 - 269

Monday, May 13, 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: Bitwise OR 10. TASK #2: Distribute Elements HEADLINES Welcome to the Week #269 of The Weekly Challenge. One more language, Nu, added to the guest lanuages, thanks to Asher Harvey-Smith. You can find the solution to Task #1 and Task #2 in Nu.

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RECAP - The Weekly Challenge - 267

Sunday, May 5, 2024 by Mohammad Sajid 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 - 268

Sunday, May 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: Magic Number 10. TASK #2: Number Game HEADLINES Welcome to the Week #268 of The Weekly Challenge. Let us all welcome, Princy Mangla from India to Team PWC. She was one of the applicants of Outreachy Program. She first shared solutions to Week #263 in Perl.

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RECAP - The Weekly Challenge - 266

Monday, Apr 29, 2024 by Mohammad Sajid 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 - 267

Monday, Apr 29, 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: Product Sign 10. TASK #2: Line Counts HEADLINES Welcome to the Week #267 of The Weekly Challenge. I would like to thank, Lance Wicks, for yet another contribution in Perl. Jorg Sommrey pointed out that we have finally reached the 1000th pull request by Peter Meszaros.

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RECAP - The Weekly Challenge - 265

Monday, Apr 22, 2024 by Mohammad Sajid 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 - 266

Monday, Apr 22, 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: Uncommon Words 10. TASK #2: X Matrix HEADLINES Welcome to the Week #266 of The Weekly Challenge. Normally we focus on varieties of solutions in different languages every week but never talked about blog post we received every week. We have handful of regulars who blog every week without fail.

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RECAP - The Weekly Challenge - 264

Monday, Apr 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 - 265

Monday, Apr 15, 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: 33% Appearance 10. TASK #2: Completing Word HEADLINES Welcome to the Week #265 of The Weekly Challenge. Thank you, Andrew Shitov, for reviewing Raku solutions for the Week #263. This was 2 in a row. Thank you, Andrew, for the reviews. Welcome back, Clifton Wood and thanks for sharing solutions in Raku.

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Andrew Shitov Weekly Review: Challenge - 263

Monday, Apr 8, 2024 by Andrew Shitov Raku

Raku Solutions Weekly Review Task 1 In the first task, you have an array of integers @ints and a target number $k. You need to print the indices of those elements, which are equal to the target, but you need to search in the sorted source data. Thoughts What does Raku offer that can be used in this task? First, the sort routine, which you can use as a method or as a stand-alone function:

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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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Andrew Shitov Weekly Review: Challenge - 262

Sunday, Apr 7, 2024 by Andrew Shitov Raku

Raku Solutions Weekly Review Task 1 The first task was to find and display the number of either positive or negative integers, whatever is larger. Let us start from the easy part. In Raku, there is a a built-in max function (or method if you want to use an object notation: @array.max). So, the code is: say max($neg, $pos); where $neg and $pos are the numbers of negative and positive data items in the original array.

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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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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 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 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 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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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 17, 2023

Sunday, Dec 17, 2023 by Luca Ferrari Raku

Advent Calendar 2023 | Day 16 | Day 17 | Day 18 | The gift is presented by Luca Ferrari. Today he is talking about his solution to The Weekly Challenge - 228. This is re-produced for Advent Calendar 2023 from the original post. Sums and Swaps PWC 228 - Task 1 - Raku Implementation You are given an array of integers. Write a script to find out the sum of unique elements in the given array.

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Advent Calendar - December 16, 2023

Saturday, Dec 16, 2023 by Andrew Shitov Raku

Advent Calendar 2023 | Day 15 | Day 16 | Day 17 | The gift is presented by Andrew Shitov. Today he is talking about his solution to The Weekly Challenge - 227. This is re-produced for Advent Calendar 2023 from the original post. Counting Fridays the 13th in Raku The Task 1 of the Weekly Challenge 227 is the following: You are given a year number in the range 1753 to 9999.

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Advent Calendar - December 13, 2023

Wednesday, Dec 13, 2023 by Arne Sommer Raku

Advent Calendar 2023 | Day 12 | Day 13 | Day 14 | The gift is presented by Arne Sommer. Today he is talking about his solution to The Weekly Challenge - 222. This is re-produced for Advent Calendar 2023 from the original post. Raku Members Challenge #222.1: Matching Members You are given a list of positive integers, @ints. Write a script to find the total matching members after sorting the list increasing order.

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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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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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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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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 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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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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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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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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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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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 20, 2022

Tuesday, Dec 20, 2022 by Roger Bell_West Raku, JavaScript

Advent Calendar 2022 | Day 19 | Day 20 | Day 21 | The gift is presented by Roger Bell_West. Today he is talking about his solution to “The Weekly Challenge - 192”. This is re-produced for Advent Calendar 2022 from the original post by him. Equal Flips For All I’ve been doing the Weekly Challenges. The latest involved a binary negation and list division. (Note that this is open until 27 November 2022.

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Raku and I: Journey begin ...

Tuesday, Dec 20, 2022 by Mohammad S Anwar Raku

Raku and I: Journey begin … It has been ages since I last blogged about Raku. The only time, I have blogged about when I took part in The Weekly Challenge. But then this also changed recently as I finally found time to contribute to the weekly fun challenges but no blogging still. I would say it is all about my mental state, since I have so much to talk about.

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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 14, 2022

Wednesday, Dec 14, 2022 by Andinus Raku

Advent Calendar 2022 | Day 13 | Day 14 | Day 15 | The gift is presented by Andinus. Today he is talking about his solution to “The Weekly Challenge - 187”. This is re-produced for Advent Calendar 2022 from the original post by him. Task 1 - Days Together Two friends, Foo and Bar gone on holidays seperately to the same city. You are given their schedule i.

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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 9, 2022

Friday, Dec 9, 2022 by Luca Ferrari Raku

Advent Calendar 2022 | Day 8 | Day 9 | Day 10 | The gift is presented by Luca Ferrari. Today he is talking about his solution to “The Weekly Challenge - 155”. This is re-produced for Advent Calendar 2022 from the original post by him. It is sad that, after more than two years of me doing Raku, I still don’t have any production code project to work on.

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Advent Calendar - December 5, 2022

Monday, Dec 5, 2022 by Arne Sommer Raku

Advent Calendar 2022 | Day 4 | Day 5 | Day 6 | The gift is presented by Arne Sommer. Today he is talking about his solution to “The Weekly Challenge - 159”. This is re-produced for Advent Calendar 2022 from the original post by him. Task #1: Farey Sequence You are given a positive number, $n. Write a script to compute Farey Sequence of the order $n.

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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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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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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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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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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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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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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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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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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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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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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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Meet The Champion: July 2022

Saturday, Aug 13, 2022 by Mohammad S Anwar Raku

Get to know about Marton Polgar. Welcome to the monthly series Meet The Champion. Last month we spoke to PokGoPun, the winner of June 2022. Today we are talking to Marton Polgar, the winner of July 2022 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Marton: I started programming in 2011 in my high school years, as a hobby.

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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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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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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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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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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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Meet The Champion: May 2022

Sunday, Jul 3, 2022 by Mohammad S Anwar Raku

Get to know about Robert Ransbottom. Welcome to the monthly series Meet The Champion. Last month we spoke to Matthew Neleigh, the winner of April 2022. Today we are talking to Robert Ransbottom, the winner of May 2022 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Robert: I read most of a brief computing-101-ish book at a book store one afternoon.

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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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 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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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 18, 2021

Saturday, Dec 18, 2021 by Andrew Shitov Raku

Advent Calendar 2021 | Day 17 | Day 18 | Day 19 | The gift is presented by Andrew Shitov. Today he is talking about his solution to “The Weekly Challenge - 092”. This is re-produced for Advent Calendar 2021 from the original post by Andrew Shitov. Task #1: Isomorphic Strings You are given two strings $A and $B. Write a script to check if the given strings are Isomorphic.

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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 14, 2021

Tuesday, Dec 14, 2021 by Luca Ferrari Raku

Advent Calendar 2021 | Day 13 | Day 14 | Day 15 | The gift is presented by Luca Ferrari. Today he is talking about his solution to “The Weekly Challenge - 126”. This is re-produced for Advent Calendar 2021 from the original post by Luca Ferrari. Task #2: Minesweeper Game You are given a rectangle with points marked with either x or *. Please consider the x as a land mine.

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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 10, 2021

Friday, Dec 10, 2021 by Roger Bell_West Raku

Advent Calendar 2021 | Day 9 | Day 10 | Day 11 | The gift is presented by Roger Bell_West. Today he is talking about his solution to “The Weekly Challenge - 120”. This is re-produced for Advent Calendar 2021 from the original post by Roger Bell_West. Task #2: Clock Angle You are given time $T in the format hh:mm. Write a script to find the smaller angle formed by the hands of an analog clock at a given time.

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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 6, 2021

Monday, Dec 6, 2021 by Aaron Smith Raku

Advent Calendar 2021 | Day 5 | Day 6 | Day 7 | The gift is presented by Aaron Smith. Today he is talking about his solution to “The Weekly Challenge - 102”. This is re-produced for Advent Calendar 2021 from the original post by Aaron Smith. Task #2: Hash-counting String You are given a positive integer $N. Write a script to produce Hash-counting string of that length.

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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 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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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RECAP - Perl Weekly Challenge - 093

Monday, Jan 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 Stuart Little has been sharing solutions in Raku. He has now shifted his focus on Haskell. It is always nice to see the varieties. Paulo Custodio for the first time shared solutions in Basic, Forth, C++ and C.

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The Weekly Challenge - 094

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

TABLE OF CONTENTS 1. HEADLINES 2. RECAP 3. PERL REVIEW 4. RAKU REVIEW 5. CHART 6. NEW MEMBERS 7. GUESTS 8. TASK #1: Group Anagrams 9. TASK #2: Binary Tree to Linked List HEADLINES Welcome to the first edition of weekly challenge in the year 2021. Today is the first Monday of the month and time to declare the Champion. With great pleasure, I announce Niels van Dijke as the Champion.

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RECAP - Perl Weekly Challenge - 092

Monday, Dec 28, 2020 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 I am pleasantly surprised to see the sudden interest in guest languages. Laurent Rosenfeld has started contributing in Scala regularly. Even Paulo Custodio started sharing solutions in Forth. There is another member, Roger Bell_West who has been contributing in Python, Ruby and Rust consistently.

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The Weekly Challenge - 093

Monday, Dec 28, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. ADVENT CALENDAR 3. RECAP 4. PERL REVIEW 5. RAKU REVIEW 6. CHART 7. NEW MEMBERS 8. GUESTS 9. TASK #1: Max Points 10. TASK #2: Sum Path HEADLINES Congratulation birthday boy Laurent Rosenfeld on becoming the first member with 1000+ score. He has maintained the number #1 position for the longest period. He is one of the few members associated with us since the beginning.

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Advent Calendar - December 24, 2020

Thursday, Dec 24, 2020 by Mohammad S Anwar Perl, Raku

Advent Calendar 2020 | Day 23 | Day 24 | TABLE OF CONTENTS 1. Headlines 2. Leader Elements 3. YouTube Video 4. Perl Solution 5. Raku Solution Headlines Finally we reached the end of the Advent Calendar 2020. I wasn’t prepared for Advent Calendar this year initially as I knew I wouldn’t be able to do it. However, on the day one, I pushed myself and decided to give it a try.

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Advent Calendar 2020

Thursday, Dec 24, 2020 by Mohammad S Anwar Perl, Raku

| 2019 | 2020 | 2021 | 2022 | 2023 | Here we go, we are back with the Advent Calendar 2020. 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 22, 2020

Tuesday, Dec 22, 2020 by Noud Aldenhoven Raku

Advent Calendar 2020 | Day 21 | Day 22 | Day 23 | The gift is presented by Noud Aldenhoven. Today he is talking about his solution to the task Is the room open? of “The Weekly Challenge - 046”. This is re-produced for Advent Calendar 2020 from the original post by Noud Aldenhoven. This weeks The Weekly Challenge Task #2 has an interesting solution. The challenge is as follows:

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RECAP - Perl Weekly Challenge - 091

Monday, Dec 21, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. STAR CONTRIBUTORS 3. CONTRIBUTION STATS 4. GUESTS 5. LANGUAGES 6. CENTURION CLUB 7. DAMIAN CONWAY’s CORNER 8. ANDREW SHITOV’s CORNER 9. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES We are getting end of year 2020. I can’t wait to get over and leave behind troublesome year. Running the weekly challenge kept me occupied through out. The main attraction these days are the contributions in guest languages.

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The Weekly Challenge - 092

Monday, Dec 21, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. ADVENT CALENDAR 3. RECAP 4. PERL REVIEW 5. RAKU REVIEW 6. CHART 7. NEW MEMBERS 8. GUESTS 9. TASK #1: Isomorphic Strings 10. TASK #2: Insert Interval HEADLINES We have 2 new members joining the Team PWC this week, Paulo Custodio and Mimosinnet. We now have 211 active members across the globe. It would have been nice to plot the locations in the world map.

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Advent Calendar - December 18, 2020

Friday, Dec 18, 2020 by Kevin Colyer Raku

Advent Calendar 2020 | Day 17 | Day 18 | Day 19 | The gift is presented by Kevin Colyer. Today he is talking about his solution to the task Collatz Conjecture of “The Weekly Challenge - 054”. This is re-produced for Advent Calendar 2020 from the original post by Kevin Colyer. This week on The Weekly Challenges I was working on the two tasks for challenge 54. The first challenge was simple in Raku (formerly Perl 6), a one liner, but the second challenge was about creating a favourite sequence of mine, the Collatz Conjecture.

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Advent Calendar - December 17, 2020

Thursday, Dec 17, 2020 by Scimon Proctor Raku

Advent Calendar 2020 | Day 16 | Day 17 | Day 18 | The gift is presented by Scimon Proctor. Today he is talking about his solution to the task Trailing Zeros of “The Weekly Challenge - 072”. This is re-produced for Advent Calendar 2020 from the original post by Scimon Proctor. You are given a positive integer $N (<= 10). Write a script to print number of trailing zeroes in $N!

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Advent Calendar - December 15, 2020

Tuesday, Dec 15, 2020 by Laurent Rosenfeld Perl, Raku

Advent Calendar 2020 | Day 14 | Day 15 | Day 16 | The gift is presented by Laurent Rosenfeld, the first champion of the weekly challenge. Today he is talking about his solution to the task Left Rotation of “The Weekly Challenge - 078”. This is re-produced for Advent Calendar 2020 from the original post by Laurent Rosenfeld. Left Rotation You are given array @A containing positive numbers and @B containing one or more indices from the array @A.

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RECAP - Perl Weekly Challenge - 090

Monday, Dec 14, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. STAR CONTRIBUTORS 3. CONTRIBUTION STATS 4. GUESTS 5. LANGUAGES 6. CENTURION CLUB 7. DAMIAN CONWAY’s CORNER 8. ANDREW SHITOV’s CORNER 9. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Stuart Little continued rising up in the rank by solving past weeks solutions. He is currently ranked #17 with the score 308. In the last recent few weeks, I have seen the rising popularity of contributions in guest languages.

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The Weekly Challenge - 091

Monday, Dec 14, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. ADVENT CALENDAR 3. RECAP 4. PERL REVIEW 5. RAKU REVIEW 6. CHART 7. NEW MEMBERS 8. GUESTS 9. TASK #1: Count Number 10. TASK #2: Jump Game HEADLINES We have 3 new members joining the Team PWC this week, Garrett Goebel, Mihail Iosilevitch and Mohammad Meraj Zia. It became even more special as a very close and dear friend Mohammad Meraj Zia finally joined the team.

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Advent Calendar - December 9, 2020

Wednesday, Dec 9, 2020 by Javier Luque Perl, Raku

Advent Calendar 2020 | Day 8 | Day 9 | Day 10 | The gift is presented by Arne Sommer. Today he is talking about his solution to the task Divide Integers of “The Weekly Challenge - 066”. This is re-produced for Advent Calendar 2020 from the original post by Arne Sommer. You are given two integers $M and $N. Write a script to divide the given two integers i.

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Advent Calendar - December 8, 2020

Tuesday, Dec 8, 2020 by Javier Luque Perl, Raku

Advent Calendar 2020 | Day 7 | Day 8 | Day 9 | The gift is presented by Roger Bell_West. Today he is talking about his solution to the task Sort Email Adresses of “The Weekly Challenge - 062”. This is re-produced for Advent Calendar 2020 from the original post by Roger Bell_West. Write a script that takes a list of email addresses (one per line) and sorts them first by the domain part of the email address, and then by the part to the left of the @ (known as the mailbox).

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Advent Calendar - December 7, 2020

Monday, Dec 7, 2020 by Javier Luque Perl, Raku

Advent Calendar 2020 | Day 6 | Day 7 | Day 8 | The gift is presented by Javier Luque. Today he is talking about his solution to the task IPv4 Partition of “The Weekly Challenge - 061”. This is re-produced for Advent Calendar 2020 from the original post by Javier Luque. IPv4 Partition You are given a string containing only digits (0..9). The string should have between 4 and 12 digits.

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RECAP - Perl Weekly Challenge - 089

Monday, Dec 7, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. STAR CONTRIBUTORS 3. CONTRIBUTION STATS 4. GUESTS 5. LANGUAGES 6. CENTURION CLUB 7. DAMIAN CONWAY’s CORNER 8. ANDREW SHITOV’s CORNER 9. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES The Week 89 will be remember for the contributions in the guest languages by the esteemed members of Team PWC. I am sure, you would probably need more than a week to grasp the amount of contributions to consume.

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The Weekly Challenge - 090

Monday, Dec 7, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. ADVENT CALENDAR 3. RECAP 4. PERL REVIEW 5. RAKU REVIEW 6. CHART 7. NEW MEMBERS 8. GUESTS 9. TASK #1: DNA Sequence 10. TASK #2: Ethiopian Multiplication HEADLINES Today is the first monday of the month and time to declare the champion of last month. With great pleasure, we announce Simon Green as the Champion. Simon joined the Team PWC in the week 68.

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Advent Calendar - December 6, 2020

Sunday, Dec 6, 2020 by Luca Ferrari Raku

Advent Calendar 2020 | Day 5 | Day 6 | Day 7 | The gift is presented by Luca Ferrari. Today he is talking about his solution to the task Bit Sum of “The Weekly Challenge - 059”. This is re-produced for Advent Calendar 2020 from the original post by Luca Ferarri. Bit Sum Helper Function For this task, you will most likely need a function f(a,b) which returns the count of different bits of binary representation of a and b.

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Advent Calendar - December 4, 2020

Friday, Dec 4, 2020 by Andrew Shitov Perl, Raku

Advent Calendar 2020 | Day 3 | Day 4 | Day 5 | The gift is presented by Andrew Shitov. Today he is talking about his solution to “The Weekly Challenge - 089”. Christmas time, and it’s time to talk to each and every one! It’s a great idea to approach people by speaking their languages. In today’s post, let me demonstrate a number of working solutions of the first problem of Week 89 of The Weekly Challenge in 22 different programming languages.

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Advent Calendar - December 2, 2020

Wednesday, Dec 2, 2020 by Ryan Thompson Perl, Raku

Advent Calendar 2020 | Day 1 | Day 2 | Day 3 | The gift is presented by Ryan Thompson. Today he is talking about his solutions to the task Make it $200 of “The Weekly Challenge - 044”. This is re-produced for Advent Calendar 2020 from the original post by Ryan Thompson. Make it $200 For challenge #2 this week, the task is to start with $1, and by either adding $1 or doubling the amount, reach $200 in the smallest possible number of steps.

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Advent Calendar - December 1, 2020

Tuesday, Dec 1, 2020 by Jaldhar H. Vyas Perl, Raku

Advent Calendar 2020 | Day 1 | Day 2 | The gift is presented by Jaldhar H. Vyas. Today he is talking about his solutions to “The Weekly Challenge - 042”. This is re-produced for Advent Calendar 2020 from the original post by Jaldhar H. Vyas. Octal Number System Write a script to print decimal number 0 to 50 in Octal Number System. For example: Decimal 0 = Octal 0 Decimal 1 = Octal 1 Decimal 2 = Octal 2 Decimal 3 = Octal 3 Decimal 4 = Octal 4 Decimal 5 = Octal 5 Decimal 6 = Octal 6 Decimal 7 = Octal 7 Decimal 8 = Octal 10 Fortunately, Mohammed has eased my re-entry with an easy task.

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RECAP - Perl Weekly Challenge - 088

Monday, Nov 30, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. YouTube WEEKLY 3. STAR CONTRIBUTORS 4. CONTRIBUTION STATS 5. GUESTS 6. LANGUAGES 7. CENTURION CLUB 8. DAMIAN CONWAY’s CORNER 9. ANDREW SHITOV’s CORNER 10. PERL SOLUTIONS 11. RAKU SOLUTIONS 12. PERL & RAKU SOLUTIONS HEADLINES James Smith shared solutions for Week #86 and Week #87. Myoungjin Jeon shared varieties of solutions this week i.e. Elm, Fish, Go, Haskell and Lisp. Stuart Little, a big Raku fan, shared solutions for Week #1, Week #2, Week #3, Week #4, Week #7, Week #8, Week #9, Week #11, Week #13, Week #14, Week #15, Week #17, Week #18, Week #19, Week #20 and Week #65.

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The Weekly Challenge - 089

Monday, Nov 30, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. RECAP 3. PERL REVIEW 4. RAKU REVIEW 5. CHART 6. NEW MEMBERS 7. GUESTS 8. TASK #1: GCD Sum 9. TASK #2: Magical Matrix HEADLINES Finally we managed to get the interview with Andrew Shitov. We have four new members joining the team this week. W. Luis Mochan, Henry Wong, Miguel Prz and Aaron Smith. This week, we had 39 contributions by guests in 17 different languages.

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Meet The Champion: October 2020

Sunday, Nov 29, 2020 by Mohammad S Anwar Perl, Raku

Welcome to the monthly series Meet The Champion. Last month we spoke to Myoungjin Jeon, the winner of September 2020. Today we are talking to Andrew Shitov, the winner of October 2020 of The Weekly Challenge. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Andrew: Well, being a PhD in Physics and Mathematics, I used C++ a lot for computing things happening in nuclear collisions, which in the end turned me to work in the world of programming rather than science.

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RECAP - Perl Weekly Challenge - 087

Monday, Nov 23, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. STAR CONTRIBUTORS 3. CONTRIBUTION STATS 4. GUESTS 5. LANGUAGES 6. CENTURION CLUB 7. DAMIAN CONWAY’s CORNER 8. ANDREW SHITOV’s CORNER 9. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES It feels nice to see members showing interest in past challenges. One day when I am back to my normal routine, I will certainly try past challenges as well. Welcome back Alexander Karelas after a short break and thanks for sharing Perl solutions.

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The Weekly Challenge - 088

Monday, Nov 23, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. RECAP 3. PERL REVIEW 4. RAKU REVIEW 5. CHART 6. NEW MEMBERS 7. GUESTS 8. TASK #1: Array of Product 9. TASK #2: Spiral Matrix HEADLINES With the launch of The Weekly Challenge - 088, we have now completed 20 months. It has been fun and entertaining journey. It gave us the opportunity to meet the best brain across the globe. I never dreamt of knowing so many experts and be among their friends.

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Andrew Shitov Weekly Review: Challenge - 084

Thursday, Nov 19, 2020 by Andrew Shitov Raku

Raku Solutions Weekly Review Getting in Touch Email › Email me (Andrew) with any feedback about this review. GitHub › Submit a pull request for any issues you may find with this page. Twitter › Join the discussion on Twitter! We’d greatly appreciate any feedback you’d like to give. Welcome to the Raku Review for Week 084 of The Weekly Challenge!. For a quick overview, go through the original tasks and recap of the weekly challenge.

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RECAP - Perl Weekly Challenge - 086

Monday, Nov 16, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. STAR CONTRIBUTORS 3. CONTRIBUTION STATS 4. GUESTS 5. LANGUAGES 6. CENTURION CLUB 7. DAMIAN CONWAY’s CORNER 8. ANDREW SHITOV’s CORNER 9. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Welcome back Richard Park and thanks for sharing APL solutions. We all missed you. Roger Bell_West is one of few selected members of Team PWC who have been contributing in many different languages.

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RECAP - Perl Weekly Challenge - 085

Monday, Nov 9, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. STAR CONTRIBUTORS 3. CONTRIBUTION STATS 4. GUESTS 5. LANGUAGES 6. CENTURION CLUB 7. DAMIAN CONWAY’s CORNER 8. ANDREW SHITOV’s CORNER 9. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Cheok-Yin Fung shared solutions to Week #84. Philip Hood shared C++ solutions for the first time. Stuart Little is on the loose as he shared solutions for Week #40, Week #41, Week #42, Week #60, Week #61, Week #63, Week #70, Week #71, Week #72, Week #73, Week #74, Week #75, Week #76, Week #77 and Week #78.

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The Weekly Challenge - 086

Monday, Nov 9, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. RECAP 3. PERL REVIEW 4. RAKU REVIEW 5. CHART 6. NEW MEMBERS 7. GUESTS 8. TASK #1: Pair Difference 9. TASK #2: Sudoku Puzzle HEADLINES Congratulations Team PWC for crossing the magic number 8th consecutive weeks. Well done and keep it up. This week, we had 30 contributions by guests in 12 different languages. I would like to THANK each and every guest contributors.

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The Weekly Challenge - 087

Monday, Nov 9, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. RECAP 3. PERL REVIEW 4. RAKU REVIEW 5. CHART 6. NEW MEMBERS 7. GUESTS 8. TASK #1: Longest Consecutive Sequence 9. TASK #2: Largest Rectangle HEADLINES Welcome Daniel Bowling and Tejas to the Team PWC. I am happy to see so many different solutions to the Sudoku task. I have never played the game before. With so many different solutions with great blog, it would be a good late night reading.

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Andrew Shitov Weekly Review: Challenge - 083

Sunday, Nov 8, 2020 by Andrew Shitov Raku

Raku Solutions Weekly Review Getting in Touch Email › Email me (Andrew) with any feedback about this review. GitHub › Submit a pull request for any issues you may find with this page. Twitter › Join the discussion on Twitter! We’d greatly appreciate any feedback you’d like to give. Welcome to the Raku Review for Week 083 of The Weekly Challenge!. For a quick overview, go through the original tasks and recap of the weekly challenge.

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RECAP - Perl Weekly Challenge - 084

Monday, Nov 2, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. STAR CONTRIBUTORS 3. CONTRIBUTION STATS 4. GUESTS 5. LANGUAGES 6. CENTURION CLUB 7. DAMIAN CONWAY’s CORNER 8. ANDREW SHITOV’s CORNER 9. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Recent rise in the popularity of The Weekly Challenge make me very happy. With the addition of two new members, we now have 200 members. Newly joined member Samir Parikh also shared solutions to Week 001 and Week 002.

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The Weekly Challenge - 085

Monday, Nov 2, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. RECAP 3. PERL REVIEW 4. RAKU REVIEW 5. CHART 6. NEW MEMBERS 7. GUESTS 8. TASK #1: Triplet Sum 9. TASK #2: Power of Two Integers HEADLINES Congratulations Team PWC for crossing the magic number 7th consecutive weeks. Well done and keep it up. Today is the first Monday of the month and time to declare the Champion. With great pleasure, we declare, Andrew Shitov, as Champion of the Month.

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RECAP - Perl Weekly Challenge - 083

Monday, Oct 26, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. STAR CONTRIBUTORS 3. CONTRIBUTION STATS 4. GUESTS 5. LANGUAGES 6. CENTURION CLUB 7. DAMIAN CONWAY’s CORNER 8. ANDREW SHITOV’s CORNER 9. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Kang-min Liu shared Python solutions for the first time, Task #1, Task #2. Dieter Dobbelaere shared blog first time for the weekly challenge. BLOG. 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 - 084

Monday, Oct 26, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. RECAP 3. PERL REVIEW 4. RAKU REVIEW 5. CHART 6. NEW MEMBERS 7. GUESTS 8. TASK #1: Reverse Integer 9. TASK #2: Find Square HEADLINES Congratulations Team PWC for crossing the magic number 6th times in a row, first time ever since the start of the journey. Welcome PJ Durai and Stuart Little to the Team PWC. This week, we had 28 contributions by guests in 14 different languages.

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Andrew Shitov Weekly Review: Challenge - 082

Sunday, Oct 25, 2020 by Andrew Shitov Raku

Raku Solutions Weekly Review Getting in Touch Email › Email me (Andrew) with any feedback about this review. GitHub › Submit a pull request for any issues you may find with this page. Twitter › Join the discussion on Twitter! We’d greatly appreciate any feedback you’d like to give. Welcome to the Raku Review for Week 082 of The Weekly Challenge!. For a quick overview, go through the original tasks and recap of the weekly challenge.

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Andrew Shitov Weekly Review: Challenge - 081

Wednesday, Oct 21, 2020 by Andrew Shitov Raku

Raku Solutions Weekly Review Getting in Touch Email › Email me (Andrew) with any feedback about this review. GitHub › Submit a pull request for any issues you may find with this page. Twitter › Join the discussion on Twitter! We’d greatly appreciate any feedback you’d like to give. Welcome to the Raku Review for Week 081 of The Weekly Challenge!. For a quick overview, go through the original tasks and recap of the weekly challenge.

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RECAP - Perl Weekly Challenge - 082

Monday, Oct 19, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. STAR CONTRIBUTORS 3. CONTRIBUTION STATS 4. GUESTS 5. LANGUAGES 6. CENTURION CLUB 7. DAMIAN CONWAY’s CORNER 8. ANDREW SHITOV’s CORNER 9. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Feng Chang made the contributions in bulk, for weeks 076, 078, 079, 080 and 081. Abigail shared couple of blogs for the first time. BLOG #1 BLOG #2. Kang-min Liu shared couple of blogs for the first time.

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The Weekly Challenge - 083

Monday, Oct 19, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. RECAP 3. PERL REVIEW 4. RAKU REVIEW 5. CHART 6. NEW MEMBERS 7. GUESTS 8. TASK #1: Words Length 9. TASK #2: Flip Array HEADLINES Congratulations Team PWC for crossing the magic number 5th times in a row, first time ever since the start of the journey. Checkout the interview with the Champion: Myoungjin Jeon. Welcome Philip Hood and Dieter Dobbelaere to the Team PWC.

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BLOG: The Weekly Challenge #081

Monday, Oct 12, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. YouTube WEEKLY 3. TASK #1: Common Base String 4. TASK #2: Frequency Sort HEADLINES It was the most difficult week for me. Why? Well, it is confirmed by my GP that I am going through Depression & Anxiety. So now you know why I didn’t do live video session in the recent weeks. I was even thinking on dropping the idea of participating in the weekly challenge for couple of weeks.

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RECAP - Perl Weekly Challenge - 081

Monday, Oct 12, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. STAR CONTRIBUTORS 3. CONTRIBUTION STATS 4. GUESTS 5. LANGUAGES 6. CENTURION CLUB 7. DAMIAN CONWAY’s CORNER 8. ANDREW SHITOV’s CORNER 9. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Andinus shared solution to Week #79 as well as blog. With the addition of Scala, we now have solutions in 33 different languages on top of Perl and Raku. Python and Haskell are the top 2 languages.

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The Weekly Challenge - 082

Monday, Oct 12, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. RECAP 3. PERL REVIEW 4. RAKU REVIEW 5. CHART 6. NEW MEMBERS 7. GUESTS 8. TASK #1: Common Factors 9. TASK #2: Interleave String HEADLINES Congratulations Team PWC for crossing the magic number 4th times in a row. Welcome Jose Luis and Frank Oosterhuis to the Team PWC. This week, we had 26 contributions by guests in 11 different languages. I would like to THANK each and every guest contributors.

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Andrew Shitov Weekly Review: Challenge - 080

Sunday, Oct 11, 2020 by Andrew Shitov Raku

Raku Solutions Weekly Review Getting in Touch Email › Email me (Andrew) with any feedback about this review. GitHub › Submit a pull request for any issues you may find with this page. Twitter › Join the discussion on Twitter! We’d greatly appreciate any feedback you’d like to give. Welcome to the Raku Review for Week 080 of The Weekly Challenge!. For a quick overview, go through the original tasks and recap of the weekly challenge.

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RECAP - Perl Weekly Challenge - 080

Monday, Oct 5, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. STAR CONTRIBUTORS 3. CONTRIBUTION STATS 4. GUESTS 5. LANGUAGES 6. CENTURION CLUB 7. DAMIAN CONWAY’s CORNER 8. ANDREW SHITOV’s CORNER 9. PERL SOLUTIONS 10. RAKU SOLUTIONS 11. PERL & RAKU SOLUTIONS HEADLINES Kang-min Liu introduced new language Kotlin this week. With this addition, we now have solutions in 32 languages other than Perl and Raku. Vinod Kumar K shared solutions to Week #001 and Week #002.

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BLOG: The Weekly Challenge #080

Sunday, Oct 4, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. YouTube WEEKLY 3. TASK #1: Smallest Positive Number 4. TASK #2: Count Candies HEADLINES This week, both tasks were comparatively easier than last week. I followed the rule, doing Perl first then translating the same into Raku. But while working on Raku, I got fresh ideas. I then went back to my Perl and re-worked the logic. One day, I would like to do Raku first then translate it into Perl.

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The Weekly Challenge - 081

Sunday, Oct 4, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. RECAP 3. PERL REVIEW 4. RAKU REVIEW 5. CHART 6. NEW MEMBERS 7. GUESTS 8. TASK #1: Common Base String 9. TASK #2: Frequency Sort HEADLINES Congratulations Team PWC for crossing the magic number 3rd times in a row, for the second time. Today is the first Monday of the month and time to declare the Champion. With great pleasure, I announce Myoungjin Jeon as the next Champion.

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Andrew Shitov Weekly Review: Challenge - 079

Tuesday, Sep 29, 2020 by Andrew Shitov Raku

Raku Solutions Weekly Review Getting in Touch Email › Email me (Andrew) with any feedback about this review. GitHub › Submit a pull request for any issues you may find with this page. Twitter › Join the discussion on Twitter! We’d greatly appreciate any feedback you’d like to give. Welcome to the Raku Review for Week 079 of The Weekly Challenge!. For a quick overview, go through the original tasks and recap of the weekly challenge.

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RECAP - Perl Weekly Challenge - 079

Monday, Sep 28, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. YouTube WEEKLY 3. STAR CONTRIBUTORS 4. CONTRIBUTION STATS 5. GUESTS 6. LANGUAGES 7. CENTURION CLUB 8. DAMIAN CONWAY’s CORNER 9. ANDREW SHITOV’s CORNER 10. PERL SOLUTIONS 11. RAKU SOLUTIONS 12. PERL & RAKU SOLUTIONS HEADLINES I noticed a positive change in the Team PWC this week after the blog by Dave Cross, we had members i.e. Daniel Mantovani, Myoungjin Jeon and Simon Green started blogging on dev.

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The Weekly Challenge - 080

Monday, Sep 28, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. RECAP 3. PERL REVIEW 4. RAKU REVIEW 5. CHART 6. NEW MEMBERS 7. GUESTS 8. TASK #1: Smallest Positive Number 9. TASK #2: Count Candies HEADLINES Congratulations Team PWC for crossing the magic number second week in a row, once again. Here is the list of 11 weeks when we crossed the magic number: 1) Week #001: 142 2) Week #002: 111 3) Week #030: 115 4) Week #033: 108 5) Week #048: 106 6) Week #072: 110 7) Week #073: 108 8) Week #074: 113 9) Week #075: 111 10) Week #078: 121 11) Week #079: 114 Let us welcome 4 new members, Kai Burgdorf, Pham Dao An, Rakulius and Ted Leahy in the Team PWC.

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Andrew Shitov Weekly Review: Challenge - 078

Sunday, Sep 27, 2020 by Andrew Shitov Raku

Raku Solutions Weekly Review Getting in Touch Email › Email me (Andrew) with any feedback about this review. GitHub › Submit a pull request for any issues you may find with this page. Twitter › Join the discussion on Twitter! We’d greatly appreciate any feedback you’d like to give. Welcome to the Raku Review for Week 078 of The Weekly Challenge!. For a quick overview, go through the original tasks and recap of the weekly challenge.

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BLOG: The Weekly Challenge #079

Sunday, Sep 27, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. YouTube WEEKLY 3. TASK #1: Count Set Bits 4. TASK #2: Trapped Rain Water HEADLINES I really enjoyed this week task. I had lots of fun working with the Trapped Rain Water task. This week, I was too busy with my $work, so couldn’t do either Swift coding or live video session. However I promise, I will catch up next week. YouTube WEEKLY Sorry, I couldn’t make video for this week tasks.

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RECAP - Perl Weekly Challenge - 078

Monday, Sep 21, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. YouTube WEEKLY 3. STAR CONTRIBUTORS 4. CONTRIBUTION STATS 5. GUESTS 6. LANGUAGES 7. CENTURION CLUB 8. DAMIAN CONWAY’s CORNER 9. ANDREW SHITOV’s CORNER 10. PERL SOLUTIONS 11. RAKU SOLUTIONS 12. PERL & RAKU SOLUTIONS HEADLINES Abigail shared solutions to Week #77 and Week #78 in Node. Tyler Wardhaugh shared solutions to Week #72 in Clojure. Myoungjin Jeon shared solutions to Week #64 in Haskell and Week #67 in Lisp.

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The Weekly Challenge - 079

Monday, Sep 21, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. RECAP 3. PERL REVIEW 4. RAKU REVIEW 5. CHART 6. NEW MEMBERS 7. GUESTS 8. TASK #1: Count Set Bits 9. TASK #2: Trapped Rain Water HEADLINES Congratulations Team PWC for crossing the magic number once again. This time we beat all previous record other than the launch week. So well done. Here is the list of 10 weeks when we crossed the magic number:

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Andrew Shitov Weekly Review: Challenge - 077

Sunday, Sep 20, 2020 by Andrew Shitov Raku

Raku Solutions Weekly Review Getting in Touch Email › Email me (Andrew) with any feedback about this review. GitHub › Submit a pull request for any issues you may find with this page. Twitter › Join the discussion on Twitter! We’d greatly appreciate any feedback you’d like to give. Welcome to the Raku Review for Week 077 of The Weekly Challenge!. For a quick overview, go through the original tasks and recap of the weekly challenge.

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BLOG: The Weekly Challenge #078

Sunday, Sep 20, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. YouTube WEEKLY 3. TASK #1: Leader Element 4. TASK #2: Left Rotation HEADLINES First thing first, I managed to do video session for both tasks this week. It is so satisfying when everything goes as per the plan. For the last couple of weeks, I could only do one video session. One day, I would like to video with PIP. At the moment, I am little uncomfortable showing my face in the video.

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Andrew Shitov Weekly Review: Challenge - 076

Monday, Sep 14, 2020 by Andrew Shitov Raku

Raku Solutions Weekly Review Getting in Touch Email › Email me (Andrew) with any feedback about this review. GitHub › Submit a pull request for any issues you may find with this page. Twitter › Join the discussion on Twitter! We’d greatly appreciate any feedback you’d like to give. Welcome to the Raku Review for Week 076 of The Weekly Challenge!. For a quick overview, go through the original tasks and recap of the weekly challenge.

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RECAP - Perl Weekly Challenge - 077

Monday, Sep 14, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. YouTube WEEKLY 3. STAR CONTRIBUTORS 4. CONTRIBUTION STATS 5. GUESTS 6. LANGUAGES 7. CENTURION CLUB 8. DAMIAN CONWAY’s CORNER 9. ANDREW SHITOV’s CORNER 10. PERL SOLUTIONS 11. RAKU SOLUTIONS 12. PERL & RAKU SOLUTIONS HEADLINES Bob Lied shared solutions to Challenge #075 and Challenge #076. Dave Jacoby shared solutions to Challenge #076. Welcome back Feng Chang. Thanks for sharing solutions to the following weeks:

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The Weekly Challenge - 078

Monday, Sep 14, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. TASK #1: Leader Element 3. TASK #2: Left Rotation 4. RECAP 5. PERL REVIEW 6. RAKU REVIEW 7. CHART 8. NEW MEMBERS 9. GUESTS HEADLINES Last week we announced the winner of August 2020 and today we have the interview with Cheok-Yin Fung available for everyone. This week, we had 18 contributions by guests in 7 different languages. I would like to THANK each and every guest contributors.

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BLOG: The Weekly Challenge #077

Sunday, Sep 13, 2020 by Mohammad S Anwar Perl, Raku

HEADLINE I am back to my routine life but still not there fully. I am going to talk about my Perl and Raku solutions to both tasks to start with. Last week, I only talked about my Perl and Raku solutions to the task Prime Sum. This week also, I skipped Swift contributions like last week, sorry. I would blame my laziness. I am happy with my effort this week. It gives me immense pleasure when I do Raku implementation completely different from Perl.

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RECAP - The Weekly Challenge - 076

Monday, Sep 7, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. YouTube WEEKLY 3. STAR CONTRIBUTORS 4. CONTRIBUTION STATS 5. GUESTS 6. LANGUAGES 7. CENTURION CLUB 8. DAMIAN CONWAY’s CORNER 9. ANDREW SHITOV’s CORNER 10. PERL SOLUTIONS 11. RAKU SOLUTIONS 12. PERL & RAKU SOLUTIONS HEADLINES We have a new member Andinus in the Team PWC. He shared solution to Prime Sum task in Perl. He even shared blog in the first week itself.

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The Weekly Challenge - 077

Monday, Sep 7, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. RECAP 3. PERL REVIEW 4. RAKU REVIEW 5. CHART 6. NEW MEMBERS 7. GUESTS 8. TASK #1: Fibonacci Sum 9. TASK #2: Lonely X HEADLINES Luca Ferrari, one of the most dedicated member of Team PWC shared this news with us in his last blog. 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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Andrew Shitov Weekly Review: Challenge - 075

Sunday, Sep 6, 2020 by Andrew Shitov Raku

Raku Solutions Weekly Review Getting in Touch Email › Email me (Andrew) with any feedback about this review. GitHub › Submit a pull request for any issues you may find with this page. Twitter › Join the discussion on Twitter! We’d greatly appreciate any feedback you’d like to give. Welcome to the Raku Review for Week 075 of The Weekly Challenge!. For a quick overview, go through the original tasks and recap of the weekly challenge.

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BLOG: The Weekly Challenge #076

Sunday, Sep 6, 2020 by Mohammad S Anwar Perl, Raku

HEADLINE Although I had finished the “Word Search” task a week before, still I didn’t have time to complete the “Prime Sum” task. After checking out others solution to the “Word Search” task, I was feeling low looking back my own solution. To recover from it, I delayed solving the “Prime Sum” task. At the same time, as a protest, I didn’t do Swift solutions for any of the tasks. After few days when I was feeling a little better, I decided to do at least one task better.

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RECAP - The Weekly Challenge - 075

Monday, Aug 31, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES Welcome back Yet Ebreo after the break and thanks for sharing solutions to the Week 074 in Perl. Lets welcome, James Smith, after the break and thanks for sharing solutions in Perl. Also congratulations on joining the Top 50 contributors group, currently placed at #049. We have two more entries to the Top 50 and they are Niels van Dijke ranked #048 and Myoungjin Jeon, ranked at #050.

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The Weekly Challenge - 076

Monday, Aug 31, 2020 by Mohammad S Anwar Perl, Raku

TABLE OF CONTENTS 1. HEADLINES 2. RECAP 3. PERL REVIEW 4. RAKU REVIEW 5. CHART 6. NEW MEMBERS 7. GUESTS 8. TASK #1: Prime Sum 9. TASK #2: Word Search HEADLINES Team PWC, you did it once again. Congratulations to each and every member. We have now created a record of 4 consecutive weeks of 100+ contributions. I wasn’t hopeful of breaking at the end of Friday looking at the numbers to be honest.

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Andrew Shitov Weekly Review: Challenge - 074

Sunday, Aug 30, 2020 by Andrew Shitov Raku

Raku Solutions Weekly Review Getting in Touch Email › Email me (Andrew) with any feedback about this review. GitHub › Submit a pull request for any issues you may find with this page. Twitter › Join the discussion on Twitter! We’d greatly appreciate any feedback you’d like to give. Welcome to the Raku Review for Week 074 of The Weekly Challenge!. For a quick overview, go through the original tasks and recap of the weekly challenge.

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BLOG: The Weekly Challenge #075

Sunday, Aug 30, 2020 by Mohammad S Anwar Perl, Raku, Swift

HEADLINE The week #075 tasks turned out to be a lot trickier than expected. Generally Task #1 is meant for beginners only but this time it was not the case. It wasn’t my plan when I proposed the task. I thought couple of for-loops and job done. But when I actually started working on the task, I realised it wasn’t as simple as I thought initially. But the good thing is, I got to know about Dynamic Programming (DP).

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RECAP - Perl Weekly Challenge - 074

Monday, Aug 24, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES Lets welcome new member Nuno Vieira from Braga, Portugal before we discuss anything. I remember last Monday as soon as I made the weekly challenge public, within minutes literally, I had the first contributions. Guess who? Mark Anderson, one of the member of elite Early Bird Club. Do you also want to join the club? It is very simple, just drop us a line at perlweeklychallenge@yahoo.com. I wanted to be the first contributor as I had solved both the tasks in Perl, Raku and Swift already.

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The Weekly Challenge - 075

Monday, Aug 24, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES Well done Team PWC, we did it. It took us 74 weeks to break the record of 2 consecutive weeks of 100+ contributions. Just to remind you it was right at the start, Week #001 and Week #002. In between we did manage to cross the magical number but never once crossed 3 in a row. 1) Week #001: 142 2) Week #002: 109 3) Week #030: 115 4) Week #033: 108 5) Week #046: 106 6) Week #072: 109 7) Week #073: 108 8) Week #074: 112 Having done this now, we should now aim to break the record of maximum contributions in a week.

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Andrew Shitov Weekly Review: Challenge - 073

Sunday, Aug 23, 2020 by Andrew Shitov Raku

Raku Solutions Weekly Review Getting in Touch Email › Email me (Andrew) with any feedback about this review. GitHub › Submit a pull request for any issues you may find with this page. Twitter › Join the discussion on Twitter! We’d greatly appreciate any feedback you’d like to give. Welcome to the Raku Review for Week 073 of The Weekly Challenge!. For a quick overview, go through the original tasks and recap of the weekly challenge.

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BLOG: The Weekly Challenge #074

Sunday, Aug 23, 2020 by Mohammad S Anwar Perl, Raku, Swift

HEADLINE Ever since I started doing Swift, I find myself too busy again with my weekly video sessions on top of all. I need to re-visit my time management chart, may be? Having said that, I get excited by the doing task in a new language. I wanted to do it in Java to refresh my memory. But couldn’t find time for it as I am editing the next week Perl Weekly newsletter also.

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Perl Weekly Challenge - 074

Monday, Aug 17, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES The week #072 was full of pleasant surprises, one of them was getting past 100 contributions. The whole Team PWC needs a big round of applause. Having set the target so high, the following week #073 was under pressure to perform. Honestly speaking, it was me who wanted to get somewhere close to the peak if not beat the previous high. To keep the followers of @PerlWChallenge up to date, I kept sharing the progress during the week.

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RECAP - Perl Weekly Challenge - 073

Monday, Aug 17, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES Welcome back Mano Chandar. Although he joined the Team PWC long time ago but he shared his first contributions in Perl this week. I am not sure if you noticed, in the recent weeks, the language list is growing very rapidly. As of today, we have received solutions in 24 languages in addition to Perl and Raku. If you remember, it all started in the week #018 by a respected guest Orestis Zekai when he shared his solutions in Python.

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Andrew Shitov Weekly Review: Challenge - 072

Friday, Aug 14, 2020 by Andrew Shitov Raku

Raku Solutions Weekly Review Getting in Touch Email › Email me (Andrew) with any feedback about this review. GitHub › Submit a pull request for any issues you may find with this page. Twitter › Join the discussion on Twitter! We’d greatly appreciate any feedback you’d like to give. Welcome to the Raku Review for Week 072 of The Weekly Challenge!. For a quick overview, go through the original tasks and recap of the weekly challenge.

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BLOG: The Weekly Challenge #073

Friday, Aug 14, 2020 by Mohammad S Anwar Perl, Raku, Swift

HEADLINE Happy Independence Day to all my fellow Indians This week tasks are once again fun and challenging. Keeping the balance is very difficult, I must admit. but I am trying … For the first time, I have joined the private Early Bird Club and taking the advantage of doing the challenge before the launch. I am not sure, if you noticed, this I shared by solutions before lunch time on day one.

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Perl Weekly Challenge - 073

Sunday, Aug 9, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES What a week it has been, we crossed the 100 mark once again !!! Congratulations, Team PWC. Last time we crossed the magic number was in the Week #046. Overall we did it 6 times. 1) Week #001: 142 2) Week #002: 109 3) Week #030: 115 4) Week #033: 108 5) Week #046: 106 6) Week #072: 108 It is also the best week for contributions in guest languages.

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RECAP - Perl Weekly Challenge - 072

Sunday, Aug 9, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES Welcome back Adam Russell after short break. Thanks for sharing not just one but two blogs. I would also like to thank Lance Wicks for the regular live session. Scimon Proctor also wrote two blogs, one for each task. Thanks for your support and encouragement. For some strange reason, I didn’t see any pull request from Dave Jacoby this week. Luckily I saw a tweet from him talking about his blog for the weekly challenge.

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Andrew Shitov Weekly Review: Challenge - 071

Thursday, Aug 6, 2020 by Andrew Shitov Raku

Raku Solutions Weekly Review Getting in Touch Email › Email me (Andrew) with any feedback about this review. GitHub › Submit a pull request for any issues you may find with this page. Twitter › Join the discussion on Twitter! We’d greatly appreciate any feedback you’d like to give. Welcome to the Raku Review for Week 071 of The Weekly Challenge!. For a quick overview, go through the original tasks and recap of the weekly challenge.

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BLOG: The Weekly Challenge #072

Wednesday, Aug 5, 2020 by Mohammad S Anwar Perl, Raku, Swift

HEADLINE No Linked List related task this week? I am glad, this week focus was more Array/List related. Technical speaking Array and List aren’t the same in Perl. I must admit until I read the article by brian d foy, I thought they were the same. As the famous saying, you learn something new every day. Both the tasks, this week were not terribly difficult. I noticed many members of Team PWC attempted other languages because they finished the tasks in no time.

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Perl Weekly Challenge - 072

Monday, Aug 3, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES Today is the first Monday of the August 2020 and it is time to announce the Champion of the Month. With great pleasure, we announce the Champion of the Month, Walt Mankowski, currently ranked #044 with score of 58. He joined the Team PWC in the Week #013. As of today, he has contributed Perl (29), C (6) and Python (12). Andrew Shitov is on a mission it seems, he has done not one but two weeks Live Raku Reviews.

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RECAP - Perl Weekly Challenge - 071

Monday, Aug 3, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES Welcome back Ben Davies after short break. Thanks for sharing Raku solutions. Jaldhar H. Vyas shared the solutions to the Perl Weekly Challenge - 058. It shows the dedication that he has towards the weekly challenge. Thanks Jaldhar for your support and encouragement. I am not sure, if you have read the blog by Dave Jacoby where he mentioned the comment by Walt Mankowski where he encouraged Dave to do the Trim Linked List as a Singly Linked List purely.

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BLOG: The Weekly Challenge #071

Sunday, Aug 2, 2020 by Mohammad S Anwar Perl, Raku

HEADLINE With another Linked List related task, I am now enjoying it a lot. It also gives me the opportunity to work with Class in Raku. Learning Raku has changed my thinking a big way. The developer inside me is more organised than before. Also doing regular weekly challenge made me think from unit test point of view every time I come up with a solution. In fact, it dictates the design of my solution.

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Andrew Shitov Weekly Review: Challenge - 070

Wednesday, Jul 29, 2020 by Andrew Shitov Raku

Raku Solutions Weekly Review Getting in Touch Email › Email me (Andrew) with any feedback about this review. GitHub › Submit a pull request for any issues you may find with this page. Twitter › Join the discussion on Twitter! We’d greatly appreciate any feedback you’d like to give. Welcome to the Raku Review for Week 070 of The Weekly Challenge!. For a quick overview, go through the original tasks and recap of the weekly challenge.

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Andrew Shitov Weekly Review: Challenge - 067

Tuesday, Jul 28, 2020 by Andrew Shitov Raku

Raku Solutions Weekly Review Getting in Touch Email › Email me (Andrew) with any feedback about this review. GitHub › Submit a pull request for any issues you may find with this page. Twitter › Join the discussion on Twitter! We’d greatly appreciate any feedback you’d like to give. Welcome to the Raku Review for Week 067 of The Weekly Challenge!. For a quick overview, go through the original tasks and recap of the weekly challenge.

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Perl Weekly Challenge - 071

Monday, Jul 27, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES Finally the wait is over, we found volunteer for Raku Reviews. Any guess? Andrew Shitov joined the team of Raku Reviewers. The best part is, he is doing Live Video Reviews, which is even more fun. I watched all his reviews so far, start to end. There are plenty to learn from just watching him review Raku solutions. He has already done for Week #066 and Week #069.

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RECAP - Perl Weekly Challenge - 070

Monday, Jul 27, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES This week we introduced 2 new languages i.e. Lisp by Cheok-Yin Fung and Swift by me. I added 5 solutions, all Task #1 from five different weekly challenges. Perl Weekly Challenge - 070 Perl Weekly Challenge - 069 Perl Weekly Challenge - 068 Perl Weekly Challenge - 066 Perl Weekly Challenge - 065 Python has finally reached the magic figure and became the first language to cross 100 mark.

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Andrew Shitov Weekly Review: Challenge - 066

Sunday, Jul 26, 2020 by Andrew Shitov Raku

Raku Solutions Weekly Review Getting in Touch Email › Email me (Andrew) with any feedback about this review. GitHub › Submit a pull request for any issues you may find with this page. Twitter › Join the discussion on Twitter! We’d greatly appreciate any feedback you’d like to give. Andrew Shitov Welcome to the Raku Review for Week 066 of The Weekly Challenge!. For a quick overview, go through the original tasks and recap of the weekly challenge.

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Andrew Shitov Weekly Review: Challenge - 069

Sunday, Jul 26, 2020 by Andrew Shitov Raku

Raku Solutions Weekly Review Getting in Touch Email › Email me (Andrew) with any feedback about this review. GitHub › Submit a pull request for any issues you may find with this page. Twitter › Join the discussion on Twitter! We’d greatly appreciate any feedback you’d like to give. Andrew Shitov Welcome to the Raku Review for Week 069 of The Weekly Challenge!. For a quick overview, go through the original tasks and recap of the weekly challenge.

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BLOG: The Weekly Challenge #070

Sunday, Jul 26, 2020 by Mohammad S Anwar Perl, Raku

HEADLINE Before I talk about my contribution this week, I would like to talk about my encounter with Swift programming language recently. For the first time, I felt confident that I can share my Swift solution to the Character Swapping task of the Perl Weekly Challenge - 070. Why Task #1 only? Well, you guessed it correctly because it is meant for the beginners. With the submission of my first contribution in Guest Language, I now find myself in the Guest List as you must have seen in RECAPS every week.

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Perl Weekly Challenge - 070

Monday, Jul 20, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES Colin Crain has been helping with Perl reviews since Week #065. I would like to thank him for all the hard work. I liked the new layout he came up for the last review. It is different from others. I am not sure about others but I always look forward to review every week. We are still looking for helping hands for Raku reviews. Please let us know perlweeklychallenge@yahoo.

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RECAP - Perl Weekly Challenge - 069

Monday, Jul 20, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES Welcome back Rage311 after the break. I hope you stay longer this time. Walt Mankowski surprised me this week by sharing solutions in C and Python. Thanks to him, C is the new language introduced to us. I would also like to thank him for taking Python contributions closer to the magic number. Andrew Shitov joined the gang and shared his first C++. Apart from Andrew, we have few others contributors who also contributed in C++, i.

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BLOG: The Weekly Challenge #069

Sunday, Jul 19, 2020 by Mohammad S Anwar Perl, Raku

HEADLINE The Task #1 of Perl Weekly Challenge - 069 raised a very interesting question i.e. is 1 strobogrammatic number? So far, I got mixed response some says yes and some not. My first thought was Yes, it is but later changed my mind. It is controversial and I don’t want loose the focus on the task itself. Please remember the objective is to have fun and not to get into controversial domain.

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Perl Weekly Challenge - 069

Monday, Jul 13, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES With three members joining Team PWC, we now have 173 members. I welcome all of them with open arms. I would like to mention one member explicitly Myoungjin Jeon, why? He is someone who did Perl long time ago and currently a Chef by profession. What impressed me the most about him is that he never let his love for Perl die. I hope he finds the weekly challenge interesting to keep him going.

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RECAP - Perl Weekly Challenge - 068

Monday, Jul 13, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES Two of the three members who joined the Team PWC last week, shared solutions to the “Perl Weekly Challenge - 068”. When I requested them for a brief introduction, most of them came back with Perl background. But then Myoungjin Jeon surprised me with solutions in Raku as well. I came across one of his blog where he mentioned about his work on creating combinations in Perl in the year 2013.

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BLOG: The Weekly Challenge #068

Sunday, Jul 12, 2020 by Mohammad S Anwar Perl, Raku

HEADLINE The Week #068 is my 23rd week in a row participating the weekly challenge. For the first time, I created a package to deal with the “Reorder List” task. It really helped me in thinking straight when dealing with linked list. With the help my favourite CPAN module Moo, creating class is like piece of cake as shown below. package Node; use Moo; has v => (is => 'rw'); has c => (is => 'rw'); sub show_link { my ($self) = @_; my $head = $self; my @v = (); while ($head->c) { push @v, $head->v; $head = $head->c; } push @v, $head->v; return sprintf("%s", join ' -> ', @v); } I will talk more in detail later down below.

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Laurent Rosenfeld Weekly Review: Challenge - 058

Monday, Jul 6, 2020 by Laurent Rosenfeld Raku

Raku Solutions Weekly Review Task #2: Ordered Lineup This is derived in part from my blog post made in answer to the Week 58 of the Perl Weekly Challenge organized by Mohammad S. Anwar as well as answers made by others to the same challenge. The challenge reads as follows: Write a script to arrange people in a lineup according to how many taller people are in front of each person in line.

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Perl Weekly Challenge - 068

Monday, Jul 6, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES Today is the first Monday of the July 2020 and you guessed it correctly. It is time to announce the Champion of the Month. With great pleasure, we announce the Champion of last month, Mark Anderson, currently ranked #027 with score of 122. He joined the Team PWC in the Week #018. As of today, he has contributed Perl (19) and Raku (42). After a long gap, we have Perl and Raku reviews together in one week.

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RECAP - Perl Weekly Challenge - 067

Monday, Jul 6, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES Andrew Shitov joined the Team PWC in the Week #065. Last week he shared link to a page dedicated to his recent and past solutions to the weekly challenge. I found it extremely useful to the rest of us. Therefore decided to have it exclusive section in the weekly RECAP blog. Please do checkout his work. Welcome back Chenyf. After a long break, we received his contributions in Raku.

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BLOG: The Weekly Challenge #067

Saturday, Jul 4, 2020 by Mohammad S Anwar Perl, Raku

HEADLINE This week both tasks had one thing in common i.e. pairing two or more list. In the past, I have taken the help from CPAN module Algorithm::Combinatorics for such tasks. However this time, I wanted to get my hand dirty and came up with the following: # generate all possible combinations my @combinations = (''); foreach my $members (@data) { @combinations = map { my $member = $_; map $member.

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BLOG: The Weekly Challenge #066

Monday, Jun 29, 2020 by Mohammad S Anwar Perl, Raku

HEADLINE The much awaited event, **Conference in the Cloud” took most of my free time. Having said that I still managed to do Live Coding YouTube videosfor Divide Integers and Power Integers. I really enjoyed both tasks, specially Power Integers. It didn’t take long to solve both tasks. I was able to get it done by midweek. But for YouTube video, I had to wait until the conference was over. Thanks to the Chief Editor of Perl Weekly newletter editorial note, I now have 67 subscribers to my YouTube Channel.

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Perl Weekly Challenge - 067

Monday, Jun 29, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES The highlight of last week was mostly the much awaited event “Conference in the Cloud”. I must admit, I enjoyed every bit. It was nice to see so many familiar names from Team PWC in the audience. Among many talks, I was really happy to watch Damian Conway live for the first time. Colin Crain final joined the team of reviewers and submitted first Perl Review. Please do share your comments and suggestions.

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RECAP - Perl Weekly Challenge - 066

Monday, Jun 29, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES Welcome back Walt Mankowski and thanks for sharing your contributions. Also thanks for sharing Python solutions. Thanks Andrew Shitov solving past challenges and blogging about it as well. Python is the most popular language among the Team PWC after Perl and Raku. We now have 10 contributors for Python. 1) Lubos Kolouch: Python (25). 2) User Person: Python (21). 3) Orestis Zekai: Python (16). 4) Burkhard Nickels: Python (8).

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Perl Weekly Challenge - 066

Monday, Jun 22, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES The week #065 started on a happy note when I received the contribution by Andrew Shitov. He doesn’t need an introduction, does he? He even blogged about his contribution. On a serious note, I got the sense that most of the Team PWC found the task Palindrome Partition very confusing. I must admit, I also realised when I solved the task myself. I noticed there are more solutions than what I thought initially.

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RECAP - Perl Weekly Challenge - 065

Monday, Jun 22, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES I noticed Yet Ebreo catching up past challenges. In the series, he shared Week #062 and Week #063. It is always nice to see members taking interest in solving past challenges. I would like to encourage anyone who joined us recently, please do share your solutions to the past challenges. If you missed the deadline to submit your solutions, please do share anyway. And why not blog about it as well, if you haven’t done so before.

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BLOG: The Weekly Challenge #065

Sunday, Jun 21, 2020 by Mohammad S Anwar Perl, Raku

HEADLINE Having missed the blog last week, I wanted to make sure it doesn’t happen again. I did catch up the last week blog this week. How did I get time this week around? Well, I delayed Live Coding session for Perl and Raku until Sunday. As of now, I have done 2 videos, one each for both tasks in Perl. I am planning to do one more later in the evening in Raku just for “Digits Sum” task.

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BLOG: The Weekly Challenge #064

Saturday, Jun 20, 2020 by Mohammad S Anwar Perl, Raku

HEADLINE This weekly blog is coming a week later than normal. Why? Last week I tried Live Coding for the first time. It was scary but enjoyable experience. It took more time than the blog. Having said that I didn’t want to stop blogging about my solutions. So here you go, I am sharing my solutions with you. Just for record, please find below links to the Live Coding videos.

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Perl Weekly Challenge - 065

Monday, Jun 15, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES Few days ago, Colin Crain, offered to do Perl review of the past challenges. A big THANK YOU from all of us. Soon we will have the fun of reading reviews. I am still looking for Raku, just a gentle reminder. It would be nice, if both kickstart together. I have been hooked into YouTube video of live coding by Richard Park. It was Richard who first started sharing his YouTube video of live coding.

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RECAP - Perl Weekly Challenge - 064

Monday, Jun 15, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES Not sure about others but I have noticed E. Choroba is on a mission to improve his past solutions. Square with 5 distinct digits Invert Tree Find Numbers Nothing comes FREE, the above improvements is keeping E. Choroba too busy to do weekly blog. We are missing them very badly. Hopefully it will start again very soon. Do you remember, Jaldhar H. Vyas? He was missing from the scene for sometime but he is back in action now, back to back 2 weeks.

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Perl Weekly Challenge - 064

Monday, Jun 8, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES Two recent tragedies really upset me the most, first the killing of George Floyd and second the killing of pregnant elephant in India. All Life Matters, including Black. I try to keep my political views to select few and avoid sharing on social media. I hope I am not crossing the lines here. The Week #062 was the dullest week ever earlier but thanks to all Team PWC members, it is no longer the least contributions week.

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RECAP - Perl Weekly Challenge - 063

Monday, Jun 8, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES Welcome back Jaldhar H. Vyas, we missed you. For the first time ever, I noticed E. Choroba missed a week i.e #062. However, he made it up and shared the solution to the Sort Email Addresses. To my surprise, he even updated his solution to the task Longest Common Substring of Perl Weekly Challenge - 018. It shows his commitment to continuous improvement. Thanks to Richard Park contributions, the solutions in APL (18) is moving up in the rank #003, only behind Python (87) and C++ (22).

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Meet The Champion: May 2020

Saturday, Jun 6, 2020 by Mohammad S Anwar Perl, Raku

Welcome to the monthly series “Meet The Champion”. Last month we spoke to Luca Ferarri, the winner of April 2020. Today we are talking to Shahed Nooshmand, the winner of May 2020 of “Perl Weekly Challenge”. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Shahed: I have none. I’m a Computer Science student. This is my second semester, and barely — considering you-know-what.

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BLOG: The Weekly Challenge #063

Wednesday, Jun 3, 2020 by Mohammad S Anwar Perl, Raku

HEADLINE After the most difficult week (Week #062), it was very satisfying. I found both the tasks this week (Week #063) fun and challenging. The best part was that I could do both tasks in an hour, which is rare. I liked the “Rotate String” task very much. Thanks to Ryan, we already had test cases handy for the “Last Word” task. I will talk about each in detail down below.

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Perl Weekly Challenge - 063

Monday, Jun 1, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES Today is the first Monday of the June 2020 and you guessed it correctly. It is time to announce the Champion of the Month. With great pleasure, we announce the Champion of last month, Shahed Nooshmand, currently ranked #042 with score of 62. He joined the Team PWC in the Week #053 and has never missed a week since. As of today, he has contributed Perl (1), Raku (20) and Blog (10).

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RECAP - Perl Weekly Challenge - 062

Monday, Jun 1, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES Welcome back Simon Miner after a short break. We hope you stay longer this time and thanks for sharing your solution with us. Thanks Jared Martin for sharing solutions to the past week Perl Weekly Challenge - 61 as well. We would also like to thank all the Team PWC members who nailed the N Queens task. 1) Arne Sommer: [RAKU] 2) Cheok-Yin Fung: [PERL] 3) Colin Crain: [PERL] 4) Javier Luque: [PERL] and [RAKU] 5) Luca Ferrari: [RAKU] 6) Niels van Dijke: [PERL] 7) Roger Bell_West: [PERL] 8) Saif Ahmed: [PERL] 9) Sangeet Kar: [RAKU] and [PYTHON] 10) Shahed Nooshmand: [RAKU] Last but not the least, we leave you with this YouTube Video shared by Richard Park.

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BLOG: The Weekly Challenge #062

Saturday, May 30, 2020 by Mohammad S Anwar Perl, Raku

HEADLINE Once again, Neil Bowers, came up with another exciting task for all Team PWC members. Like always, it was fun task. Thanks to Ryan for providng sample data and expected result based on the definition of the task. Half the job done already. The only thing left for the us, is get on with the job. I noticed Raku needed slightly different approach then the Perl. It could be I am doing something very badly.

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Perl Weekly Challenge - 062

Monday, May 25, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES Happy Idd to all Team PWC members. It was the first Idd celebration when we couldn’t go to the mosque for special prayer. Life is no longer same even after so many weeks on lockdown. It appears we have to start adjusting to the new rules. From next week, I will have new routine to follow as Ramadan is over. Working hours is going to be back to normal.

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RECAP - Perl Weekly Challenge - 061

Monday, May 25, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES We all know, Perl Weekly Challenge, primarily focus on Perl and Raku. However, in recent weeks, I noticed Team PWC members actively sharing solutions in other guest languages. As of today, we have received solutions in 16 guest languages, Python being the most popular language. There is still scope for more guest languages. If you haven’t tried anything so far then why not give it a try. Newly joined member Sangeet Kar shared his first Python solutions.

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BLOG: The Weekly Challenge #061

Tuesday, May 19, 2020 by Mohammad S Anwar Perl, Raku

HEADLINE At first, I thought Product SubArray is easy task. Therefore I went public categorised as Task #1. My definition of easy task is you just start coding without doing any ground work. However when I started coding, I had to take a pause and do processing in my head befoore coding. So then as per my definition, Product SubArray no longer consider as an easy task. After finishing the task in no time once I understood the flow, it turned out to be clean solution.

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Perl Weekly Challenge - 061

Monday, May 18, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES I never miss the opportunity of celebration, no matter how small the occassion is. My form of celebration is sharing the achievements with the community in general. If you remember, I wrote a blog when we completed 3 months of weekly challenge. Then again when we completed 6 months. So why no celebration at the end of first anniversary? Certainly it was the biggest moments for all of us associated with Perl Weekly Challenge or rather The Weekly Challenge.

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RECAP - Perl Weekly Challenge - 060

Sunday, May 17, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES Couple of months ago, on the request of one of the Team PWC member, Wanderdoc, we created Early Bird Club. So what is it all about? The club members get the first glimpse of upcoming challenges. How can anyone join the club? Just drop us a line with your intention to perlweeklychallenge@yahoo.com. I always try to give the club members full weekend i.e. Saturday and Sunday to play with the upcoming challenges before others get their hand the following Monday morning.

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BLOG: The Weekly Challenge #060

Saturday, May 16, 2020 by Mohammad S Anwar Perl, Raku

HEADLINE I am not sure about you guys but I found writing blog is very nice feeling. I get nice ideas to clean up the code. This week, I even found a bug that even unit test couldn’t catch. I would rather not share it, quite embarassing. The bug was in my Perl solutions to the “Find Numbers” task. My git commit tree might disclose it, if you really want to know.

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Perl Weekly Challenge - 060

Monday, May 11, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES Last week, we had the pleasure to interview our Champion of the Perl Weekly Challenge, Luca Ferrari. Please check out the full interview. I noticed Team PWC members making constant noise, in a positive way, with regular blogs. To me personally, by reading blog, you not only get the story behind each solutions but the also the journey itself. Keep blogging and sharing knowledge. I would like to thank Team PWC member Richard Park for introducing the amazing language APL.

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RECAP - Perl Weekly Challenge - 059

Monday, May 11, 2020 by Mohammad S Anwar Perl, Raku

HEADLINES Last week, 3 new members joined the Team PWC, namely Max Kossek, Sangeet Kar and Shawak. We welcome all of them and hope they would have as much fun as we have had so far. I would like to mention one thing about Max Kossek, in his first week itself, he solved past four weeks solutions. Great attempt. Keep it up, Max. Another pleasant surprise from last week was, one of the earliest member of the team, Colin Crain started blogging about his work.

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BLOG: The Weekly Challenge #059

Sunday, May 10, 2020 by Mohammad S Anwar Perl, Raku

HEADLINE This week, I changed the format of my weekly blog slightly. Why? Well, I wanted to keep the Perl and Raku solutions next to each other so that it is easier for reader (me, mostly) to see the difference. It gives me immense pleasure to see the end result when I am done translating Perl solutions into Raku. It looks lot cleaner and precise. The only thing it is behind is performance when I do comparison.

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Meet The Champion: April 2020

Saturday, May 9, 2020 by Mohammad S Anwar Perl, Raku

Welcome to the monthly series “Meet The Champion”. Last month we spoke to Alicia Bielsa, the winner of March 2020. Today we are talking to Luca Ferrari, the winner of April 2020 of “Perl Weekly Challenge”. I hope you are going to enjoy the interview. Mohammad: Tell us about your technical background? Luca: I was interested in computers since the Commodore 64 era, but at that time I was six years old and therefore my computer skills were limited to loading and playing games.

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Laurent Rosenfeld Weekly Review: Challenge - 056

Thursday, May 7, 2020 by Laurent Rosenfeld Raku

Raku Solutions Weekly Review Path Sums in a Binary Tree This is derived in part from my blog post made in answer to the Week 56 of the Perl Weekly Challenge organized by Mohammad S. A