The Weekly Challenge

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.

Welcome back Richard Park and thanks for sharing APL solutions.

It is always pleasure to see Lance Wicks back in action. Thanks for sharing Perl solution. However I do miss your live video session.

I am back in action after a gap of 2 weeks. Reason for the break is I am currently busy getting adjusted to the new role I have taken up. I even managed to get the videos published as well. I really enjoy making videos.

Mohammad Anwar: Next Palindrome Number

Mohammad Anwar: Higher Integer Set Bits

Let us share some interesting stats from the GitHub repository.

1. Commits: 17,083 (+180)

2. Pull Requests: 4,167 (+41)

3. Contributors: 166

4. Fork: 211 (+2)

5. Stars: 91

Last but not least, I would like to thank each and every member for their support and encouragement.

Our solo sponsor Pete Sergeant has been a great support to keep us motivated. We are lucky that he agreed to continue the journey with us in the year 2021. I would like to personally thank Pete and his entire team for their generosity. It would be great if we could add few more to sponsor the prize money so that we could go back and declare weekly champions as we have done in the past. I hope and wish this will become possible in 2021. The amount doesn’t have to be huge. However, it would be nice to show off bunch of supporters. If an organisation comes forward and supports us then that would be the ultimate achievement.

RECAP

Quick recap of “The Weekly Challenge - 114” by Mohammad S Anwar.

PERL REVIEW

Please check out Perl solutions review of the “Perl Weekly Challenge - 112” by Colin Crain.

If you missed any past reviews then please check out the collection.

RAKU REVIEW

If you missed any past reviews then please check out the collection.

CHART

Please take a look at the charts showing interesting data.

I would like to THANK every member of the team for their valuable suggestions. Please do share your experience with us.

NEW MEMBERS

Please find out How to contribute?, if you have any doubts.

Please try the excellent tool EZPWC created by respected member Saif Ahmed of Team PWC.

GUESTS

Please checkout the guest contributions for the Week #113.

Please find past solutions by respected guests. Please share your creative solutions in other languages.

TASK #1 › String Chain

Submitted by: Mohammad S Anwar

You are given an array of strings.

Write a script to find out if the given strings can be chained to form a circle. Print 1 if found otherwise 0.

A string $S can be put before another string $T in circle if the last character of $S is same as first character of $T.

Examples:

Input: @S = ("abc", "dea", "cd")
Output: 1 as we can form circle e.g. "abc", "cd", "dea".

Input: @S = ("ade", "cbd", "fgh")
Output: 0 as we can't form circle.

TASK #2 › Largest Multiple

Submitted by: Mohammad S Anwar

You are given a list of positive integers (0-9), single digit.

Write a script to find the largest multiple of 2 that can be formed from the list.

Examples

Input: @N = (1, 0, 2, 6)
Output: 6210

Input: @N = (1, 4, 2, 8)
Output: 8412

Input: @N = (4, 1, 7, 6)
Output: 7614

Last date to submit the solution 23:59 (UK Time) Sunday 6th June 2021.