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<?php function countingSort(array $arr) { $n = sizeof($arr); $p = array(); $sorted = array(); for ($i = 0; $i < $n; $i++) { $p[$i] = 0; } for ($i = 0; $i < $n; $i++) { for ($j = $i + 1; $j < $n; $j++) { if ($arr[$i] > $arr[$j]) { $p[$i]++; } else { $p[$j]++; } } } for ($i = 0; $i < $n; $i++) { $sorted[$p[$i]] = $arr[$i]; } return $sorted; } // Example: $arr = array(255,1,22,3,45,5); $csresult = countingSort($arr); print_r($csresult);

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33.95 ms | 402 KiB | 5 Q