65 lines
1.9 KiB
Perl
Executable File
65 lines
1.9 KiB
Perl
Executable File
#!/usr/bin/env perl
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# Copyright 2023 Síle Ekaterin Liszka
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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use strict;
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use warnings;
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use feature qw(:5.36);
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use autodie;
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open my $fh, '<', 'input.txt';
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my %cap = (
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red => 12,
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green => 13,
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blue => 14
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);
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my $games = 0;
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for my $line (<$fh>) {
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chomp $line;
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$line =~ s/^Game (\d+): //;
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my $id = $1;
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my @hands = split /; /, $line;
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my $possible = 1;
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my %minimums = (
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red => 0, blue => 0, green => 0
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);
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for my $hand (@hands) {
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my @colors = split /, /, $hand;
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my %cubes = ();
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for my $color (@colors) {
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my ($cubes, $col) = split / /, $color;
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$cubes{$col} = $cubes;
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}
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for my $color (qw(red blue green)) {
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next unless exists($cubes{$color});
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if ($cubes{$color} > $minimums{$color}) {
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$minimums{$color} = $cubes{$color};
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}
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}
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last unless $possible;
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}
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my $power = $minimums{red} * $minimums{green} * $minimums{blue};
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$games += $power;
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}
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say $games;
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