ch-1.raku

1 files changed, 23 insertions, 0 deletions

diff --git a/challenge-270/mark-anderson/raku/ch-1.raku b/challenge-270/mark-anderson/raku/ch-1.raku
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+#!/usr/bin/env raku
+use Test;
+
+is special-positions([ 
+                         [1,0,0],
+                         [0,0,1],
+                         [1,0,0],
+                     ]),               1;
+
+is special-positions([ 
+                         [1,0,0],
+                         [0,1,0],
+                         [0,0,1],
+                     ]),               3;
+
+sub special-positions(@m)
+{
+    my @ones = (^@m X ^@m[0]).grep({ @m[.[0];.[1]] });
+
+    +  @ones.grep({ all .[0] == one(@ones>>.[0]), 
+                        .[1] == one(@ones>>.[1])
+                  })
+}