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<?php class Factoriel {public function calculate() { if(func_num_args() != 1) throw new Exception ("Invalid arguments count for method calculate!"); if(($n = (int)func_get_arg(0)) <= 0) throw new Exception ("Invalid argument supplied for method calculate!"); $result = 1; foreach(range(1, $n) as $current) $result = $this->multiply ($result, $current); return $result;}private function multiply($left, $right) { return bcmul("$left", "$right"); }}$factoriel = new Factoriel();echo $factoriel->calculate(1500);?>

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28.67 ms | 402 KiB | 5 Q