Merge pull request #13077 from PerlBoy1967/branch-for-challenge-349

w349 - Task 1 & 2 (Perl)

2 files changed, 73 insertions, 0 deletions

diff --git a/challenge-349/perlboy1967/perl/ch1.pl b/challenge-349/perlboy1967/perl/ch1.pl
new file mode 100755
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+++ b/challenge-349/perlboy1967/perl/ch1.pl
@@ -0,0 +1,36 @@
+#!/bin/perl
+
+=pod
+
+L<https://theweeklychallenge.org/blog/perl-weekly-challenge-349#TASK1>
+
+Author: Niels 'PerlBoy' van Dijke
+
+Task 1: Power String
+Submitted by: Mohammad Sajid Anwar
+
+You are given a string.
+
+Write a script to return the power of the given string.
+
+|| The power of the string is the maximum length of a non-empty substring
+|| that contains only one unique character.
+
+=cut
+
+use Test2::V0 qw(-no_srand);
+use exact 'v5.32', -signatures;
+
+use List::Util qw(max);
+
+sub powerString ($str) {
+  max map { length } $str =~ /((.)\2*)/g;
+}
+
+is(powerString('textbook'),2,'Example 1');
+is(powerString('aaaaa'),5,'Example 2');
+is(powerString('hoorayyy'),3,'Example 3');
+is(powerString('x'),1,'Example 4');
+is(powerString('aabcccddeeffffghijjk'),4,'Example 5');
+
+done_testing;
diff --git a/challenge-349/perlboy1967/perl/ch2.pl b/challenge-349/perlboy1967/perl/ch2.pl
new file mode 100755
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+++ b/challenge-349/perlboy1967/perl/ch2.pl
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+#!/bin/perl
+
+=pod
+
+L<https://theweeklychallenge.org/blog/perl-weekly-challenge-349#TASK2>
+
+Author: Niels 'PerlBoy' van Dijke
+
+Task 2: Meeting Point
+Submitted by: Mohammad Sajid Anwar
+
+You are given instruction string made up of U (up), D (down), L (left) and R (right).
+
+Write a script to return true if following the instruction, you meet the starting point (0,0).
+
+=cut
+
+use Test2::V0 qw(-no_srand);
+use exact 'v5.32', -signatures;
+
+use boolean;
+use List::MoreUtils qw(uniq);
+
+sub meetingPoint ($path) {
+  my %f = qw(L 0 R 0 U 0 D 0);
+  $f{$_}++ for (split//,$path);
+  boolean (($f{U} == $f{D}) and ($f{R} == $f{L}));
+}
+
+is(meetingPoint('ULD'),false,'Example 1');
+is(meetingPoint('ULDR'),true,'Example 2');
+is(meetingPoint('UUURRRDDD'),false,'Example 3');
+is(meetingPoint('UURRRDDLLL'),true,'Example 4');
+is(meetingPoint('RRUULLDDRRUU'),false,'Example 5');
+is(meetingPoint('RDRUULLD'),true,'Own Example');
+
+done_testing;