18 lines
328 B
PHP
18 lines
328 B
PHP
<?php
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function is_describing($number) {
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foreach (str_split((int) $number) as $place => $value) {
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if (substr_count($number, $place) != $value) {
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return false;
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}
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}
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return true;
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}
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for ($i = 0; $i <= 50000000; $i += 10) {
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if (is_describing($i)) {
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echo $i . PHP_EOL;
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}
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}
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?>
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