36 lines
632 B
Perl
36 lines
632 B
Perl
package part2;
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use 5.20.0;
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use warnings;
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use experimental 'signatures';
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use List::AllUtils qw/ /;
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require './part1.pm';
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use experimental qw/ signatures postderef /;
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use DDP;
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sub solution($balls, $cards) {
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my $number = shift @$balls;
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for my $index ( reverse 0..$cards->$#* ) {
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my $card = $cards->[$index];
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for my $row ( @$card ) {
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$row = [ map { $_ == $number ? -1 : $_ } @$row ];
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}
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my $score = part1::victory($number,$card) or next;
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return $score if @$cards == 1;
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splice @$cards, $index, 1;
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}
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@_ = ( $balls, $cards );
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goto &solution;
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}
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1;
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