From 399f612279e4bc81edfe0a21119cbe727d3a65c8 Mon Sep 17 00:00:00 2001 From: wanderdoc Date: Thu, 19 Jun 2025 18:38:45 +0200 Subject: Create ch-1.pl --- challenge-326/wanderdoc/perl/ch-1.pl | 45 ++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 challenge-326/wanderdoc/perl/ch-1.pl diff --git a/challenge-326/wanderdoc/perl/ch-1.pl b/challenge-326/wanderdoc/perl/ch-1.pl new file mode 100644 index 0000000000..8b7f83300f --- /dev/null +++ b/challenge-326/wanderdoc/perl/ch-1.pl @@ -0,0 +1,45 @@ +#!perl +use strict; +use warnings FATAL => qw(all); + +=prompt +You are given a date in the format YYYY-MM-DD. +Write a script to find day number of the year that the given date represent. + +Example 1 + +Input: $date = '2025-02-02' +Output: 33 + +The 2nd Feb, 2025 is the 33rd day of the year. + + +Example 2 + +Input: $date = '2025-04-10' +Output: 100 + + +Example 3 + +Input: $date = '2025-09-07' +Output: 250 + +=cut + + + +use Time::Piece; +use Test2::V0 -no_srand => 1; +is(str_to_day_of_year('2025-02-02'), 33, 'Example 1'); +is(str_to_day_of_year('2025-04-10'), 100, 'Example 2'); +is(str_to_day_of_year('2025-09-07'), 250, 'Example 3'); +done_testing(); + +sub str_to_day_of_year +{ + my $string = $_[0]; + my $format = '%Y-%m-%d'; + my $dt = Time::Piece->strptime($string, $format); + return $dt->day_of_year + 1; # $dt->day_of_year: 0 = Jan 01 +} -- cgit From f346c1cf6d36df41c0c447e8fb8eb0743a27cecf Mon Sep 17 00:00:00 2001 From: wanderdoc Date: Thu, 19 Jun 2025 18:39:14 +0200 Subject: Create ch-2.pl --- challenge-326/wanderdoc/perl/ch-2.pl | 55 ++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 challenge-326/wanderdoc/perl/ch-2.pl diff --git a/challenge-326/wanderdoc/perl/ch-2.pl b/challenge-326/wanderdoc/perl/ch-2.pl new file mode 100644 index 0000000000..5f1d5d3ca2 --- /dev/null +++ b/challenge-326/wanderdoc/perl/ch-2.pl @@ -0,0 +1,55 @@ +#!perl +use strict; +use warnings FATAL => qw(all); + +=prompt +You are given an array of positive integers having even elements. +Write a script to to return the decompress list. To decompress, pick adjacent pair (i, j) and replace it with j, i times. + +Example 1 + +Input: @ints = (1, 3, 2, 4) +Output: (3, 4, 4) + +Pair 1: (1, 3) => 3 one time => (3) +Pair 2: (2, 4) => 4 two times => (4, 4) + + +Example 2 + +Input: @ints = (1, 1, 2, 2) +Output: (1, 2, 2) + +Pair 1: (1, 1) => 1 one time => (1) +Pair 2: (2, 2) => 2 two times => (2, 2) + + +Example 3 + +Input: @ints = (3, 1, 3, 2) +Output: (1, 1, 1, 2, 2, 2) + +Pair 1: (3, 1) => 1 three times => (1, 1, 1) +Pair 2: (3, 2) => 2 three times => (2, 2, 2) + +=cut + + + + + +use Test2::V0 -no_srand => 1; + +is(decompressed_list(1, 3, 2, 4), [3, 4, 4], 'Example 1'); +is(decompressed_list(1, 1, 2, 2), [1, 2, 2], 'Example 1'); +is(decompressed_list(3, 1, 3, 2), [1, 1, 1, 2, 2, 2], 'Example 3'); +done_testing(); + +sub decompressed_list +{ + my @arr = @_; + return + [map { ($arr[$_ + 1]) x $arr[$_] } + grep { $_ % 2 == 0 } + 0 .. $#arr]; +} -- cgit