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
1 #include <stdio.h> 2 3 int main(){ 4 int T; 5 int n; 6 int k; 7 int amount; 8 int temp; 9 10 scanf("%d",&T); 11 12 while(T--){ 13 scanf("%d%d",&n,&k); 14 15 amount=0; 16 temp=n; 17 while(1){ 18 if(temp>=k){ 19 amount++; 20 temp-=k; 21 temp++; 22 } 23 else 24 break; 25 } 26 27 printf("%d ",amount+n); 28 } 29 30 return 0; 31 }