LeetCode 172. 阶乘后的零 Factorial Trailing Zeroes

 数学分析。

class Solution {
public:
    int trailingZeroes(int n) {
        int cnt = 0;
        while (n >= 5)
        {
            cnt += n / 5;
            n /= 5;
        }
        return cnt;
    }
};

标签：Zeroes,cnt,return,int,Factorial,阶乘
来源： https://www.cnblogs.com/ZSY-blog/p/12970701.html