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- <?php
- function isEqual($a, $b)
- {
- $a = count_chars($a, 3);
- $b = count_chars($b, 3);
- return strcmp($a, $b) === 0;
- }
- for ($i = 1; ; $i++) {
- if (isEqual($i, $i * 2)
- && isEqual($i, $i * 3)
- && isEqual($i, $i * 4)
- && isEqual($i, $i * 5)
- && isEqual($i, $i * 6)
- ) {
- echo $i;
- break;
- }
- }
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