Factorial Trailing Zeroes

来源:互联网 发布:linux arp 老化时间 编辑:程序博客网 时间:2024/05/16 01:24
public class Solution {    public int trailingZeroes(int n) {        if (n < 0) {            return -1;        }        int count = 0;        for (double i = 5; n / i >= 1; i *= 5) {//"double" to avoid overflow.            count += n / i;        }        return count;    }}

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