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cigarettes

2012年07月27日 语言入门 暂无评论 阅读 41 次

cigarettes

时间限制:3000 ms  |  内存限制:65535 KB
难度:2
描述
Tom has many cigarettes. We hypothesized that he has n cigarettes and smokes them

one by one keeping all the butts. Out of k > 1 butts he can roll a new cigarette.
Now,do you know how many cigarettes can Tom has?

输入
First input is a single line,it's n and stands for there are n testdata.then there are n lines ,each line contains two integer numbers giving the values of n and k.
输出
For each line of input, output one integer number on a separate line giving the maximum number of cigarettes that Peter can have.
样例输入
3
4 3
10 3
100 5
样例输出
5
14
124

[cpp]
解题思路:汽水1元/瓶,10个空瓶换一瓶汽水,100元你能喝多少瓶。烟!cigarettes!小学大家都学过把,不过英文实在是菜....
#include "stdio.h"
int main()
{int temp,n,k,sum;
scanf("%d",&temp);
while(temp--)
{scanf("%d%d",&n,&k);sum=n;
while(n>=k)
{n-=k;sum++;n++;}
printf("%dn",sum);}
return 0;
}
[/cpp]

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