diff options
| -rw-r--r-- | challenge-086/abigail/perl/ch-2.pl | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/challenge-086/abigail/perl/ch-2.pl b/challenge-086/abigail/perl/ch-2.pl index 6b27b80329..e404003888 100644 --- a/challenge-086/abigail/perl/ch-2.pl +++ b/challenge-086/abigail/perl/ch-2.pl @@ -180,7 +180,8 @@ foreach my $x (@INDICES) { # my $set = (1 << ($clue_count)) - 1; foreach my $can_see (sees ($x, $y)) { - $set &= ~(1 << ($sudoku [$$can_see [0]] [$$can_see [1]] - 1)); + my ($see_x, $see_y) = @$can_see; + $set &= ~(1 << ($sudoku [$see_x] [$see_y] - 1)); } $$unsolved {$x, $y} = $set; |