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part 2

main
Yanick Champoux 2023-12-09 12:58:19 -05:00
parent c446579923
commit 66b259d3a2
6 changed files with 14 additions and 5 deletions
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10
2023/09/Part2.pm
View File

@ -9,12 +9,18 @@ use List::AllUtils qw/ all sum /;
sub predict(@entries) {
my $sum = 0;
my @first = ();
until( all { !$_ } @entries ) {
$sum = $entries[0]-$sum;
push @first, $entries[0];
@entries = map { $entries[$_]-$entries[$_-1] } 1..$#entries;
}
return -$sum;
while(@first) {
$sum = pop( @first ) - $sum;
}
return $sum;
}
sub solution_2 ($input) {

1
2023/09/benchmark.pl
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@ -36,6 +36,7 @@ for my $part (@parts) {
language => 'perl',
part => $part->{part},
time => $res->cpu_a / $res->iters,
persec =>$res->iters/$res->cpu_a ,
timestamp => DateTime->now->iso8601,
};
say to_json $result;

2
2023/09/part1.t
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@ -12,6 +12,6 @@ is Part1::predict(qw/0 3 6 9 12 15/) => 18;
is Part1::predict(qw/1 3 6 10 15 21/) => 28;
is Part1::predict(qw/10 13 16 21 30 45/) => 68;
is Part1::solution_1($input) => 'TODO';
is Part1::solution_1($input) => 1884768153;
done_testing;

2
2023/09/part2.t
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@ -19,6 +19,6 @@ is Part2::solution_2(<<END) => 2;
END
isnt Part2::solution_2($input) => -59;
is Part2::solution_2($input) => 'TODO';
is Part2::solution_2($input) => 1031;
done_testing;

2
2023/09/solutions.yml
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@ -1,2 +1,2 @@
1: 1884768153
2: TODO
2: 1031

2
2023/benchmark.json
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@ -16,3 +16,5 @@
{"year":"2023","part":2,"language":"perl","day":"6","time":7.07875059716474e-06,"timestamp":"2023-12-06T15:43:13","persec":141267.867298578}
{"language":"perl","persec":85.2380952380952,"year":"2023","timestamp":"2023-12-07T16:08:30","time":0.011731843575419,"part":1,"day":"7"}
{"day":"7","part":2,"persec":85.2380952380952,"year":"2023","timestamp":"2023-12-07T16:08:43","time":0.011731843575419,"language":"perl"}
{"persec":113.488372093023,"timestamp":"2023-12-09T17:57:35","language":"perl","year":"2023","time":0.00881147540983607,"day":"9","part":1}
{"persec":109.783631232361,"timestamp":"2023-12-09T17:57:47","language":"perl","time":0.00910882604970008,"day":"9","part":2,"year":"2023"}