From 2b99b6e28c2a3b672e50d7b22cd3e1c6998670c7 Mon Sep 17 00:00:00 2001
From: James Smith <js5@sanger.ac.uk>
Date: Tue, 13 Dec 2022 05:05:01 +0000
Subject: Create ch-2.pl

---
 challenge-195/james-smith/perl/ch-2.pl | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 challenge-195/james-smith/perl/ch-2.pl

diff --git a/challenge-195/james-smith/perl/ch-2.pl b/challenge-195/james-smith/perl/ch-2.pl
new file mode 100644
index 0000000000..592ee325c4
--- /dev/null
+++ b/challenge-195/james-smith/perl/ch-2.pl
@@ -0,0 +1,23 @@
+#!/usr/local/bin/perl
+
+use strict;
+use warnings;
+use feature qw(say);
+use Test::More;
+use Benchmark qw(cmpthese timethis);
+
+my @TESTS = (
+  [ [ 1,1,2,6,2 ] =>  2 ],
+  [ [ 1,3,5,7   ] => -1 ],
+  [ [ 6,4,4,6,1 ] =>  4 ],
+);
+
+is( mf_even( @{$_->[0]} ), $_->[1] ) for @TESTS;
+done_testing();
+
+sub mf_even {
+  my($m,$v,%f)=(-1,-1);
+  $_%2 || $f{$_}++ for @_; ## Compute frequencies
+  ( $f{$_}>$v || $f{$_}==$v && $_<$m ) && ( $m=$_,$v=$f{$_} ) for keys %f;
+  $m
+}
-- 
cgit