Add solutions to 332: Binary Date & Odd Letters by E. Choroba

2 files changed, 31 insertions, 0 deletions

diff --git a/challenge-332/e-choroba/perl/ch-1.pl b/challenge-332/e-choroba/perl/ch-1.pl
new file mode 100755
index 0000000000..0d6f978404
--- /dev/null
+++ b/challenge-332/e-choroba/perl/ch-1.pl
@@ -0,0 +1,14 @@
+#!/usr/bin/perl
+use warnings;
+use strict;
+use experimental qw( signatures );
+
+sub binary_date($date) {
+    join '-', map sprintf('%b', $_), split /-/, $date
+}
+
+use Test::More tests => 3;
+
+is binary_date('2025-07-26'), '11111101001-111-11010', 'Example 1';
+is binary_date('2000-02-02'), '11111010000-10-10', 'Example 2';
+is binary_date('2024-12-31'), '11111101000-1100-11111', 'Example 3';
diff --git a/challenge-332/e-choroba/perl/ch-2.pl b/challenge-332/e-choroba/perl/ch-2.pl
new file mode 100755
index 0000000000..29654a9efd
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+++ b/challenge-332/e-choroba/perl/ch-2.pl
@@ -0,0 +1,17 @@
+#!/usr/bin/perl
+use warnings;
+use strict;
+use experimental qw( signatures );
+
+sub odd_letters($str) {
+    my %letter;
+    ++$letter{$_} for split //, $str;
+    return ! grep 0 == $_ % 2, values %letter
+}
+
+use Test2::V0;
+plan(3);
+
+is odd_letters('weekly'), bool(0), 'Example 1';
+is odd_letters('perl'), bool(1), 'Example 2';
+is odd_letters('challenge'), bool(0), 'Example 3';