diff options
| -rw-r--r-- | challenge-220/mark-anderson/raku/ch-2.raku | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/challenge-220/mark-anderson/raku/ch-2.raku b/challenge-220/mark-anderson/raku/ch-2.raku index 302f0b9b63..53841bcf10 100644 --- a/challenge-220/mark-anderson/raku/ch-2.raku +++ b/challenge-220/mark-anderson/raku/ch-2.raku @@ -17,9 +17,7 @@ sub squareful(+@a) my $squares := (0..$s Z* 0..$s).List; - gather for @a.permutations.unique(with => &[eqv]) - { - .take if .rotor(2 => -1)>>.sum (<=) $squares - } + @a.permutations.unique(with => &[eqv]) + .grep({ .rotor(2 => -1)>>.sum (<=) $squares }); } =end alternate |