version 2

2023/02/Part1.pm

@@ -6,31 +6,18 @@ use List::AllUtils qw/ max sum /;
 
 sub parse_line($line) {
     my %data;
-    $line =~ s/Game (\d+)://;
+    $line =~ /Game (\d+):/;
     $data{game} =  $1;
 
-    my @entries = split ';', $line;
-
-    $data{entries} = [
-       map { +{ map { /(\d+) (\w+)/; $2 => $1 } split ",", $_ } } @entries 
-    ];
+    $data{$_} = max $line =~ /(\d+) $_/g for qw/ red green blue /;
 
     return \%data;
 }
 
-sub aggregate_entries($game) {
-    my %agg = map { 
-        my $color = $_;
-        $color => max map { $_->{$color} // 0 } $game->{entries}->@*
-    } qw/ red green blue /;
-    +{ %$game, %agg};
-}
-
 sub solution_1 ($input) {
     sum
     map { $_->{game} }
     grep { $_->{red} <= 12 and $_->{blue} <= 14 and $_->{green} <= 13 }
-    map { aggregate_entries($_) }
     map { parse_line($_)}
     split "\n", $input;
 }

2023/02/Part2.pm

@@ -9,7 +9,6 @@ use List::AllUtils qw/ min product sum /;
 sub solution_2 ($input) {
     sum
     map { product $_->@{qw/ red blue green /}}
-    map { Part1::aggregate_entries($_) }
     map { Part1::parse_line($_)}
     split "\n", $input;
 }

2023/02/benchmark.pl

@@ -33,7 +33,7 @@ for my $part (@parts) {
         day  => $day,
         year => $year,
 
-        #variant => '',
+        variant => 'v2',
         language  => 'perl',
         part      => $part->{part},
         time      => $res->cpu_a / $res->iters,

2023/02/part1.t

@@ -7,10 +7,9 @@ use Path::Tiny;
 use Part1;
 
 
-is Part1::parse_line("Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green") => +{ game => 1, entries => [ 
-        { blue => 3, red => 4 }, { red  => 1, green => 2, blue => 6},
-        { green => 2 },
-]};
+is Part1::parse_line("Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green") => +{ game => 1, 
+         blue => 6, red => 4, green => 2
+};
 
 is Part1::solution_1( <<'END' ) => 8;
 Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green

2023/02/part2.t

@@ -17,4 +17,4 @@ END
 my $input = path('input')->slurp;
 
 cmp_ok Part2::solution_2($input), ">", 1720;
-is Part2::solution_2($input) => 'TODO';
+is Part2::solution_2($input) => 72706;

2023/benchmark.json

@@ -4,3 +4,5 @@
 {"day":1,"year":2023,"language":"javascript","part":"2","timestamp":"2023-12-01T20:55:40.989Z","time":0.004363576172638605,"persec":229.1698277826353}
 {"language":"perl","timestamp":"2023-12-02T16:40:42","part":1,"day":"2","persec":297.067171239357,"year":"2023","time":0.00336624203821656}
 {"language":"perl","timestamp":"2023-12-02T16:40:55","part":2,"day":"2","time":0.00338658146964856,"year":"2023","persec":295.283018867925}
+{"timestamp":"2023-12-02T18:29:20","day":"2","part":1,"variant":"v2","year":"2023","time":0.00388473053892216,"language":"perl","parsec":257.418111753372}
+{"day":"2","timestamp":"2023-12-02T18:29:32","part":2,"year":"2023","variant":"v2","parsec":258.117195004803,"language":"perl","time":0.00387420915519166}