4th day

2021-12-04 10:31:35 +01:00
parent d09dcfb2b4
commit fd05fbc8e5
6 changed files with 731 additions and 3 deletions
--- a/03/part1.php
+++ b/03/part1.php
@@ -1,7 +1,7 @@
 <?php

 $input = file('input', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
-$input = array_map(fn($line) => str_split($line), $input);
+$input = array_map('str_split', $input);
 $gamma = $epsilon = [];
 for ($i = 0; $i < count($input[0]); $i++) {
    $bit = (int) (array_sum($column = array_column($input, $i)) >= ceil(count($column) / 2));