1 files changed, 9 insertions, 0 deletions
diff --git a/challenge-151/feng-chang/raku/ch-2.raku b/challenge-151/feng-chang/raku/ch-2.raku
new file mode 100755
index 0000000000..4fa124eac5
--- /dev/null
+++ b/challenge-151/feng-chang/raku/ch-2.raku
@@ -0,0 +1,9 @@
+#!/bin/env raku
+
+unit sub MAIN(*@V);
+
+put max-gain(@V);
+
+multi max-gain()                        { 0 }
+multi max-gain(@V where *.elems == 1|2) { @V.max }
+multi max-gain(@V --> UInt:D)           { max(@V[0] + max-gain(@V.tail(*-2)), max-gain(@V.tail(*-1))) }