From 5c942ec63b9877471e867eecf1261d0016bfe261 Mon Sep 17 00:00:00 2001
From: Luca Ferrari <fluca1978@gmail.com>
Date: Mon, 25 Apr 2022 18:14:06 +0200
Subject: Task 1 done

---
 challenge-162/luca-ferrari/raku/ch-1.p6 | 6 ++++++
 1 file changed, 6 insertions(+)
 create mode 100755 challenge-162/luca-ferrari/raku/ch-1.p6

diff --git a/challenge-162/luca-ferrari/raku/ch-1.p6 b/challenge-162/luca-ferrari/raku/ch-1.p6
new file mode 100755
index 0000000000..0c4ccef759
--- /dev/null
+++ b/challenge-162/luca-ferrari/raku/ch-1.p6
@@ -0,0 +1,6 @@
+#!raku
+
+sub MAIN( Str $isbn where { $isbn.chars == 12 && $isbn.comb.grep( * ~~ / <[0 .. 9]> / ).elems == $isbn.chars } ) {
+    my $position = 0;
+    say 10 - ( $isbn.comb.map( { $_ * ( ++$position %% 2 ?? 3 !! 1 ) } ).sum % 10 );
+}
-- 
cgit