The Weekly Challenge

HEADLINES

Welcome to the Week #280 of The Weekly Challenge.

Let us all welcome two new guest contributors, Tymoteusz Moryto and Richard Loveland to Team PWC.

Thank you, Tymoteusz, for sharing solution to Task #1 and Task #2 in Uiua.

Thank you, Richard, for introducing a new programming language K and sharing solutions to Task #1 and Task #2.

Welcome back, Andrezgz and thanks for sharing solutions to Task #1 and Task #2 in Perl.

I would also like to thank Kjetil Skotheim for sharing solutions to the Week #274.

Did you notice new language breakdown chart added to the charts page?

We now have contributions breakdown per year. Please find below some interesting data.

    | Year | Total | Perl | Raku | Blog |
    -------------------------------------
    | 2019 | 3511  | 1959 | 1100 | 452  |
    | 2020 | 5187  | 2689 | 1718 | 780  |
    | 2021 | 4976  | 2663 | 1392 | 921  |
    | 2022 | 5371  | 2761 | 1600 | 1010 |
    | 2023 | 5624  | 2979 | 1630 | 1197 |
    | 2024 | 3240  | 1584 | 920  | 736  |

Year 2024 stats is as of today i.e. 2024-07-29.

Last 5 weeks mainstream contribution stats. Thank you Team PWC for your support and encouragements.


`Week`	`Perl`	`Raku`	`Blog`
`275`	51	25	23
`276`	62	32	27
`277`	66	30	29
`278`	57	28	24
`279`	56	28	16

Last 5 weeks guest contribution stats. Thank you each and every guest contributors for your time and efforts.


`Week`	`Guests`	`Contributions`	`Languages`
`275`	14	60	19
`276`	16	74	21
`277`	16	53	18
`278`	13	68	21
`279`	16	66	21

TOP 10 Guest Languages

Do you see your favourite language in the Top #10? If not then why not contribute regularly and make it to the top.

 1. Python     (2672)
 2. Ruby       (711)
 3. Haskell    (695)
 4. Rust       (690)
 5. Lua        (626)
 6. C          (567)
 7. C++        (528)
 8. JavaScript (457)
 9. Go         (390)
10. BQN        (352)

Blogs with Creative Title

1. Weighted Letters and Even Chars by Andrew Schneider.

2. Sort of Again by Arne Sommer.

3. Neither Sort Nor Split by Jorg Sommrey.

4. More Weight for Examples! by Matthews Muth.

5. Split ‘em away! by Packy Anderson.

6. Scrambled and split by Peter Campbell Smith.

7. Split and Sort Strings of Letters by Roger Bell_West.

GitHub Repository Stats

1. Commits: 39,213 (`+112`)

2. Pull Requests: 10,489 (`+37`)

3. Contributors: 250 (`+1`)

4. Fork: 315 (`+1`)

5. Stars: 174

With start of Week #268, we have a new sponsor Lance Wicks for the entire year 2024. Having said we are looking for more sponsors so that we can go back to weekly winner. If anyone interested please get in touch with us at perlweeklychallenge@yahoo.com. Thanks for your support in advance.

RECAP

Quick recap of The Weekly Challenge - 279 by Mohammad Sajid Anwar.

PERL REVIEW

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

Tymoteusz Moryto, an expert `Uiua` hacker joined `Team PWC`.

Richard Loveland, an expert `K` hacker joined `Team PWC`.

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 check out the guest contributions for the Week #279.

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

Task 1: Twice Appearance

Submitted by: Mohammad Sajid Anwar

You are given a string, $str, containing lowercase English letters only.

Write a script to print the first letter that appears twice.

Example 1

Input: $str = "acbddbca"
Output: "d"

Example 2

Input: $str = "abccd"
Output: "c"

Example 3

Input: $str = "abcdabbb"
Output: "a"

Task 2: Count Asterisks

Submitted by: Mohammad Sajid Anwar

You are given a string, $str, where every two consecutive vertical bars are grouped into a pair.

Write a script to return the number of asterisks, *, excluding any between each pair of vertical bars.

Example 1

Input: $str = "p|*e*rl|w**e|*ekly|"
Ouput: 2

The characters we are looking here are "p" and "w**e".

Example 2

Input: $str = "perl"
Ouput: 0

Example 3

Input: $str = "th|ewe|e**|k|l***ych|alleng|e"
Ouput: 5

The characters we are looking here are "th", "e**", "l***ych" and "e".

Last date to submit the solution 23:59 (UK Time) Sunday 4th August 2024.