Task 1 done

1 files changed, 22 insertions, 0 deletions

diff --git a/challenge-211/luca-ferrari/raku/ch-1.p6 b/challenge-211/luca-ferrari/raku/ch-1.p6
new file mode 100644
index 0000000000..6c506c4842
--- /dev/null
+++ b/challenge-211/luca-ferrari/raku/ch-1.p6
@@ -0,0 +1,22 @@
+#!raku
+
+#
+# Perl Weekly Challenge 211
+# Task 1
+#
+# See <https://perlweeklychallenge.org/blog/perl-weekly-challenge-211/>
+#
+
+sub MAIN() {
+
+    my @matrix = [ [4, 3, 2, 1],
+                   [5, 4, 3, 2],
+                   [6, 5, 4, 3],
+                 ];
+
+    my %diag;
+    %diag{ @matrix[ $_ ][ $_ ] }++ for 0 ..^ @matrix.elems;
+    'False'.say if ( %diag.keys.elems != 1 || %diag{ @matrix[ 0 ][ 0 ] } != @matrix.elems );
+    'True'.say;
+
+}