toj 4065 The Coco-Cola Store

2024-05-08 14:38:46

toj 4065 The Coco-Cola Store

时间限制(普通/Java):1000MS/3000MS 内存限制:65536KByte
总提交: 131 测试通过:95

描述

Once upon a time, there is a special coco-cola store. If you return three empty bottles to the shop, you’ll get a full bottle of coco-cola to drink. If you have n empty bottles right in your hand, how many full bottles of coco-cola can you drink?

输入

There will be at most 10 test cases, each containing a single line with an integer n (1<=n<=100). The input terminates with n = 0, which should not be processed.

输出

For each test case, print the number of full bottles of coco-cola that you can drink.

样例输入

3
10
81
0

样例输出

1
5
40

#include <cstdio>using namespace std;int main() {int n;while(scanf("%d", &n) && n != 0) {int res = 0;while(n >= 0) {int bottle = n / 3;res += bottle;int retain = n % 3;n = bottle + retain;if(n == 2) {res++;break;} else if(n == 1 || n == 0) {break;}}printf("%d\n", res);}return 0;
}

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