feat: add solution for challenge 339 from BarrOff

1 files changed, 30 insertions, 0 deletions

diff --git a/challenge-339/barroff/raku/ch-2.p6 b/challenge-339/barroff/raku/ch-2.p6
new file mode 100644
index 0000000000..170bbe2beb
--- /dev/null
+++ b/challenge-339/barroff/raku/ch-2.p6
@@ -0,0 +1,30 @@
+#!/usr/bin/env raku
+
+use v6.d;
+
+sub peak-point(@gain --> Int) {
+    my Int $mg = 0;
+    my Int $current = 0;
+    for @gain -> $i {
+        $current += $i;
+        $mg = $current if $current > $mg;
+    }
+    return $mg;
+}
+
+#| Run test cases
+multi sub MAIN('test') {
+    use Test;
+    plan 5;
+
+    is peak-point([-5, 1, 5, -9, 2]), 1, 'works for [-5, 1, 5, -9, 2]';
+    is peak-point([10, 10, 10, -25]), 30, 'works for [10, 10, 10, -25]';
+    is peak-point([3, -4, 2, 5, -6, 1]), 6, 'works for [3, -4, 2, 5, -6, 1]';
+    is peak-point([-1, -2, -3, -4]), 0, 'works for [-1, -2, -3, -4]';
+    is peak-point([-10, 15, 5]), 10, 'works for [-10, 15, 5]';
+}
+
+#| Take user provided numbers 5 9 3 4 6
+multi sub MAIN(*@gain) {
+    say peak-point(@gain);
+}