int main()
{
int n=0 //总钱数
int count=0//汽水瓶计数
sacnf("%d",&n)
printf("%d元钱可以换", n)
while(n) //如果钱数为0,则不能再兑换
{
count++//每一元钱换一瓶汽水
n--//每买一瓶汽水,钱数减一
if(count%3==0) //如果换到3瓶,则
{
n=n+1 //多换一瓶相当于多加1元钱
}
}
printf("%d瓶汽水", count )
return 0
}
#include <stdio.h>int main()
{
int k,n,z
scanf("%d %d",&k,&n)
z = 0
if(k <= 0)
z = 0
else if(k == 1)
z = n-n/k
printf("%d\n",z)
return 0
}