perl solution for ch#59-2

1 files changed, 18 insertions, 0 deletions

diff --git a/challenge-059/yet-ebreo/perl/ch-2.pl b/challenge-059/yet-ebreo/perl/ch-2.pl
new file mode 100644
index 0000000000..848b6ac28c
--- /dev/null
+++ b/challenge-059/yet-ebreo/perl/ch-2.pl
@@ -0,0 +1,18 @@
+#!/usr/bin/perl
+use strict;
+use warnings;
+use feature 'say';
+use Algorithm::Combinatorics qw(combinations);
+
+sub f {
+    (sprintf "%b", (pop) ^ pop)=~y/1//
+}
+
+my @arr = (2, 3, 4);
+#Not recommended when expecting large sums.
+say 0+map 1..f(@$_), combinations(\@arr, 2);
+
+=begin
+perl .\ch-2.pl
+6
+=cut
\ No newline at end of file