1 files changed, 18 insertions, 0 deletions
diff --git a/challenge-073/jo-37/perl/ch-1.pl b/challenge-073/jo-37/perl/ch-1.pl
new file mode 100755
index 0000000000..67372bc6b5
--- /dev/null
+++ b/challenge-073/jo-37/perl/ch-1.pl
@@ -0,0 +1,18 @@
+#!/usr/bin/perl
+
+use Test2::V0;
+use List::Util 'min';
+
+# first arg: window size
+# remaining args: input array
+sub sliding_min {
+	my $S = shift;
+	
+	# Take the minimum of a sliding window
+	map min(@_[$_ .. $_ + $S - 1]), 0 .. $#_ - $S + 1;
+}
+
+is [sliding_min 3, (1, 5, 0, 2, 9, 3, 7, 6, 4, 8)],
+	[0, 0, 0, 2, 3, 3, 4, 4], 'example from challenge';
+
+done_testing;