Challenge 338

2 files changed, 40 insertions, 0 deletions

diff --git a/challenge-338/mahnkong/perl/ch-1.pl b/challenge-338/mahnkong/perl/ch-1.pl
new file mode 100644
index 0000000000..fa0877befe
--- /dev/null
+++ b/challenge-338/mahnkong/perl/ch-1.pl
@@ -0,0 +1,20 @@
+use strict;
+use warnings;
+use feature 'signatures';
+use Test::More 'no_plan';
+
+sub run(@matrix) {
+    my $highest_sum;
+    foreach my $row (@matrix) {
+        my $sum = 0;
+        map { $sum += $_ } @$row;
+        $highest_sum = $sum if !defined $highest_sum || $sum > $highest_sum;
+    }
+    return $highest_sum;
+}
+
+is(run([4, 4, 4, 4], [10, 0, 0, 0], [2,  2, 2, 9]), 16, "Example 1");
+is(run([1, 5], [7, 3], [3, 5]), 10, "Example 2");
+is(run([1, 2, 3], [3, 2, 1]), 6, "Example 3");
+is(run([2, 8, 7], [7, 1, 3], [1, 9, 5]), 17, "Example 4");
+is(run([10, 20, 30], [5, 5, 5], [0, 100, 0], [25, 25, 25]), 100, "Example 5");
diff --git a/challenge-338/mahnkong/perl/ch-2.pl b/challenge-338/mahnkong/perl/ch-2.pl
new file mode 100644
index 0000000000..fc5003fa94
--- /dev/null
+++ b/challenge-338/mahnkong/perl/ch-2.pl
@@ -0,0 +1,20 @@
+use strict;
+use warnings;
+use feature 'signatures';
+use Test::More 'no_plan';
+
+sub run($arr1, $arr2) {
+    my @arr1 = sort {$a <=> $b} @$arr1;
+    my @arr2 = sort {$a <=> $b} @$arr2;
+
+    my $d1 = abs($arr1[0] - $arr2[-1]);
+    my $d2 = abs($arr2[0] - $arr1[-1]);
+
+    return $d1 > $d2 ? $d1 : $d2;
+}
+
+is(run([4, 5, 7], [9, 1, 3, 4]), 6, "Example 1");
+is(run([2, 3, 5, 4], [3, 2, 5, 5, 8, 7]), 6, "Example 2");
+is(run([2, 1, 11, 3], [2, 5, 10, 2]), 9, "Example 3");
+is(run([1, 2, 3], [3, 2, 1]), 2, "Example 4");
+is(run([1, 0, 2, 3], [5, 0]), 5, "Example 5");