<?php $input = file_get_contents('php://stdin','r'); //$params = explode("\n",$input); $params = [3,3,60,100]; $probes = array_shift($params); function silnia($n) { return ($n <= 1) ? 1 : bcmul($n, silnia($n-1)); } function z($silnia) { $strSilnia = (string)$silnia; $zeroCount = 0; for ($i = strlen($strSilnia)-1; $i >= 0; $i--) { if ($strSilnia[$i] == 0) $zeroCount += 1; else break; } return $zeroCount; } for ($i = 0; $i < $probes; $i++) { print (z(silnia($params[$i])).PHP_EOL); } ?>
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