Robbie's Perl Programming Blog

For those not familiar with "The Weekly Challenge", it is a weekly programming puzzle with two parts, with a new pair of tasks each Monday. You can find it here: The Weekly Challenge The Weekly Challenge for the week of 2026-03-16 through 2026-03-22 is #365. The tasks for challenge #365 are as follows: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Task 365-1: Alphabet Index Digit Sum Submitted by: Mohammad Sajid Anwar You are given a string $str consisting of lowercase English letters, and an integer $k. Write a script to convert a lowercase string into numbers using alphabet positions (a=1 … z=26), concatenate them to form an integer, then compute the sum of its digits repeatedly $k times, returning the final value. Example 1 input: $str = "abc", $k = 1 Expected output: 6 Example 2 input: $str = "az", $k = 2 Expected output: 9 Example 3 input: $str = "cat", $k = 1 Expected output: 6 Example 4 input: $str = "dog...

For those not familiar with "The Weekly Challenge", it is a weekly programming puzzle with two parts, with a new pair of tasks each Monday. You can find it here: The Weekly Challenge The Weekly Challenge for the week of 2026-03-09 through 2026-03-15 is #364. The tasks for challenge #364 are as follows: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Task 364-1: Decrypt String Submitted by: Mohammad Sajid Anwar You are given a string formed by digits and ‘#'. Write a script to map the given string to English lowercase characters given the following two rules: 1: Characters 'j' to 'z' are represented by '10#' to '26#'. 2: Characters 'a' to 'i' are represented by '1' to '9'. Example #1: Input: $str = "10#11#12" Output: "jkab" Example #2: Input: $str = "1326#" Output: "acz" Example #3: Input: $str = "25#24#123" Output: "yxabc" ...

For those not familiar with "The Weekly Challenge", it is a weekly programming puzzle with two parts, with a new pair of tasks each Monday. You can find it here: The Weekly Challenge The Weekly Challenge for the week of 2026-03-02 through 2026-03-08 is #363. The tasks for challenge #363 are as follows: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Task 363-1: String Lie Detector Submitted by: Mohammad Sajid Anwar You are given a string. Write a script that parses a self-referential string and determines whether its claims about itself are true. The string will make statements about its own composition, specifically the number of vowels and consonants it contains. ( # Example #1 input: "aa — two vowels and zero consonants", # Expected output: true # Example #2 input: "iv — one vowel and one consonant", # Expected output: true # Example #3 input: "hello - three vowels and two consonants", # Exp...