39 lines
739 B
Perl
39 lines
739 B
Perl
use 5.38.0;
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package Part1;
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use List::AllUtils qw/ max sum /;
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sub parse_line($line) {
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my %data;
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$line =~ s/Game (\d+)://;
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$data{game} = $1;
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my @entries = split ';', $line;
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$data{entries} = [
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map { +{ map { /(\d+) (\w+)/; $2 => $1 } split ",", $_ } } @entries
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];
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return \%data;
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}
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sub aggregate_entries($game) {
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my %agg = map {
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my $color = $_;
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$color => max map { $_->{$color} // 0 } $game->{entries}->@*
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} qw/ red green blue /;
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+{ %$game, %agg};
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}
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sub solution_1 ($input) {
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sum
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map { $_->{game} }
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grep { $_->{red} <= 12 and $_->{blue} <= 14 and $_->{green} <= 13 }
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map { aggregate_entries($_) }
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map { parse_line($_)}
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split "\n", $input;
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}
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1;
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