ZOJ-2022

来源:互联网 发布:巨人网络借壳受益股 编辑:程序博客网 时间:2024/03/29 19:23

想了好久没想到就这么几行代码,数论真是神奇的东西,重要的还是找到其中的规律

#include<stdio.h>int main(){    int n, num, r;    scanf("%d", &n);    while (n--)    {        scanf("%d", &num);        r = 0;        while (num / 5)        {            r += num / 5;            num /= 5;        }        printf("%d\n", r);    }    return 0;}



import java.util.Scanner;public class Main{public static void main(String[] args){Scanner sc = new Scanner(System.in);int n = sc.nextInt();for (int i = 0; i < n; i++){long l = sc.nextLong();long r = 0;while (l / 5 != 0){r += l / 5;l /= 5;}System.out.println(r);}}}


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