Factorial (Loop)
PHP
Easy
4 views
Problem Description
Given n, print n! using a loop.
Input Format
One integer n.
Output Format
One integer factorial.
Official Solution
<?php
$inputText=trim(stream_get_contents(STDIN));
if($inputText==='') exit;
$n=intval($inputText);
$ans=1;
for($i=2;$i<=$n;$i++) $ans*=$i;
echo $ans;
?>
Solutions (0)
No solutions submitted yet. Be the first!
No comments yet. Start the discussion!