19 lines
458 B
PHP
19 lines
458 B
PHP
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<?php
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$timers = explode(',', file_get_contents('./input.txt'));
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echo sprintf('Initial state: %s', implode(',', $timers));
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for ($i = 0; $i < 80; $i++) {
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for($t = 0, $l = count($timers); $t < $l; $t++) {
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if ($timers[$t] > 0) {
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$timers[$t]--;
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} else {
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$timers[$t] = 6;
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$timers[] = 8;
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}
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}
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echo sprintf('After %u day(s): %s%s', $i + 1, implode(',',$timers), "\n");
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}
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echo count($timers);
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