Browse Source

Finit le 2eme jour

main
Clément 11 months ago
parent
commit
fa2132ad25
  1. 21
      day_2/part_1.php
  2. 20
      day_2/part_2.php

21
day_2/part_1.php

@ -0,0 +1,21 @@
<?php
$passwords = explode("\n", file_get_contents('input.txt'));
$number_of_good_passwords = 0;
foreach ($passwords as $password) {
$parts = explode(' ', $password);
if (count($parts) === 3) {
[$min, $max] = explode('-', $parts[0]);
$letter = $parts[1][0];
$word = $parts[2];
$chars = count_chars($word, 1);
if ($min <= $chars[ord($letter)] && $max >= $chars[ord($letter)]) {
$number_of_good_passwords++;
}
}
}
echo $number_of_good_passwords;
exit(0);

20
day_2/part_2.php

@ -0,0 +1,20 @@
<?php
$passwords = explode("\n", file_get_contents('input.txt'));
$number_of_good_passwords = 0;
foreach ($passwords as $password) {
$parts = explode(' ', $password);
if (count($parts) === 3) {
[$min, $max] = explode('-', $parts[0]);
$letter = $parts[1][0];
$word = $parts[2];
if ($word[$min-1] === $letter xor $word[$max-1] === $letter) {
$number_of_good_passwords++;
}
}
}
echo $number_of_good_passwords;
exit(0);
Loading…
Cancel
Save