Raku week 122 task 2

1 files changed, 21 insertions, 0 deletions

diff --git a/challenge-122/luc65r/raku/ch-2.raku b/challenge-122/luc65r/raku/ch-2.raku
new file mode 100755
index 0000000000..53d91e2718
--- /dev/null
+++ b/challenge-122/luc65r/raku/ch-2.raku
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+#!/usr/bin/env raku
+
+use experimental :cached;
+
+proto score(UInt:D --> Seq) is cached {*}
+
+multi score(0) { [], }
+
+multi score($n) {
+    gather for 1..3 -> $i {
+        with try score($n - $i) -> @s {
+            for @s {
+                take [$i, |@_];
+            }
+        }
+    }
+}
+
+sub MAIN(UInt $n) {
+    .join(' ').say for score $n;
+}