diff options
| -rw-r--r-- | challenge-128/mark-anderson/raku/ch-1.raku | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/challenge-128/mark-anderson/raku/ch-1.raku b/challenge-128/mark-anderson/raku/ch-1.raku index dad21d38c4..a4562cded4 100644 --- a/challenge-128/mark-anderson/raku/ch-1.raku +++ b/challenge-128/mark-anderson/raku/ch-1.raku @@ -63,7 +63,7 @@ sub max-sub-matrix(+@matrix) my @zero-indices = @matrix.map({ .grep(0, :k) })>>.Array; - for (^@matrix).combinations: 2 -> ($first-row, $last-row) + for (^@zero-indices).combinations: 2 -> ($first-row, $last-row) { my @cols = ([(&)] @zero-indices[$first-row .. $last-row]).keys.sort; next unless @cols > 1; |