40 lines
770 B
PHP
40 lines
770 B
PHP
|
<?php
|
||
|
|
|
||
|
|
$rounds = explode("\n", file_get_contents('./input.txt'));
|
||
|
|
|
||
|
|
$total_score = 0;
|
||
|
|
|
||
|
|
$types = [
|
||
|
|
'A' => 'rock',
|
||
|
|
'X' => 'rock',
|
||
|
|
'B' => 'paper',
|
||
|
|
'Y' => 'paper',
|
||
|
|
'C' => 'scissor',
|
||
|
|
'Z' => 'scissor',
|
||
|
|
];
|
||
|
|
|
||
|
|
$shapes = [
|
||
|
|
'rock' => 1,
|
||
|
|
'paper' => 2,
|
||
|
|
'scissor' => 3,
|
||
|
|
];
|
||
|
|
|
||
|
|
foreach ($rounds as $round) {
|
||
|
|
[$opponent, $you] = explode(' ', $round);
|
||
|
|
$opponent = $types[$opponent];
|
||
|
|
$you = $types[$you];
|
||
|
|
|
||
|
|
if ($you === $opponent) {
|
||
|
|
$total_score += 3;
|
||
|
|
} elseif (
|
||
|
|
($opponent === 'rock' && $you === 'paper') ||
|
||
|
|
($opponent === 'paper' && $you === 'scissor') ||
|
||
|
|
($opponent === 'scissor' && $you === 'rock')
|
||
|
|
) {
|
||
|
|
$total_score += 6;
|
||
|
|
}
|
||
|
|
|
||
|
|
$total_score += $shapes[$you];
|
||
|
|
}
|
||
|
|
|
||
|
|
echo $total_score;
|