Create ch-2.pl

1 files changed, 23 insertions, 0 deletions

diff --git a/challenge-192/james-smith/perl/ch-2.pl b/challenge-192/james-smith/perl/ch-2.pl
new file mode 100644
index 0000000000..36b2dc27dc
--- /dev/null
+++ b/challenge-192/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);
+use Data::Dumper qw(Dumper);
+
+my @TESTS = ( [ [1,0,5], 4 ], [ [0,2,0],-1], [ [0,3,0], 2 ] );
+
+is( equal_dis(  @{$_->[0]} ), $_->[1] ) for @TESTS;
+done_testing();
+
+sub equal_dis {
+  my($av,$k) = (0,0);
+  $av+=$_ for @_;
+  return -1 if $av%@_;
+  $av/=@_;
+  $k+=abs($av-$_[0]),$_[1]-=$av-shift while @_>1;
+  $k;
+}