2 files changed, 47 insertions, 0 deletions
diff --git a/challenge-331/zapwai/perl/ch-1.pl b/challenge-331/zapwai/perl/ch-1.pl
new file mode 100644
index 0000000000..a36cd2d84b
--- /dev/null
+++ b/challenge-331/zapwai/perl/ch-1.pl
@@ -0,0 +1,13 @@
+use v5.38;
+sub proc($str) {
+    say "Input: $str";
+    my @word = split " ", $str;
+    say "Output: ".length($word[$#word]);
+}
+
+my $str = "The Weekly Challenge";
+proc($str);
+$str = "   Hello   World    ";
+proc($str);
+$str = "Let's begin the fun";
+proc($str);
diff --git a/challenge-331/zapwai/perl/ch-2.pl b/challenge-331/zapwai/perl/ch-2.pl
new file mode 100644
index 0000000000..805e58d7b5
--- /dev/null
+++ b/challenge-331/zapwai/perl/ch-2.pl
@@ -0,0 +1,34 @@
+use v5.38;
+sub swappy($src, $tar) {
+    my @s = split '', $src;
+    for my $i (0 .. $#s - 1) {
+	my @new = @s;
+	my $a = $new[$i];
+	$new[$i] = $new[$i+1];
+	$new[$i+1] = $a;
+	my $news = join '', @new;
+	return 1 if ($news eq $tar);
+    }
+    return 0;
+}
+
+sub proc($src, $tar) {
+    say "Input: $src, $tar";
+    if (swappy($src, $tar)) {
+	say "Output: true";
+    } else {
+	say "Output: false";
+    }
+}
+
+my $src = "fcuk";
+my $tar = "fuck";
+proc($src, $tar);
+
+$src = "love";
+$tar = "love";
+proc($src, $tar);
+
+$src = "fodo";
+$tar = "food";
+proc($src, $tar);