c语言代码练习33

问:一家商店搞活动特价汽水一元一瓶，两个空瓶子换一瓶汽水

 

#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>

int main()
{
    int money = 0;//钱
    int total = 0;//喝掉的汽水
    int empty = 0;//空瓶
    scanf("%d", &money);
    total = money;
    empty = money;
    while (empty >= 2)
    {
        total += empty / 2;
        empty = empty / 2 + empty % 2;
    }
    printf("total = %d", total);
    return 0;
}