30 lines
449 B
Perl
30 lines
449 B
Perl
package part2;
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use 5.20.0;
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use warnings;
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use experimental qw/
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signatures
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postderef
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/;
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require './part1.pm';
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sub contains($name, $bags) {
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my $contained = 0;
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while( my( $name, $qty ) = each $bags->{$name}->%* ) {
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$contained += $qty * ( 1+ contains($name, $bags));
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}
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return $contained;
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}
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sub solution(@lines) {
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my %bags = map { part1::parse_line($_) } @lines;
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return contains('shiny gold', \%bags );
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}
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