@[NoaNexus](/user/897858) 找规律：要吸 $n+(n-1)/(k-1)$ 支烟
```cpp
#include<iostream>
using namespace std;
int main(){
int n,k;
cin>>n>>k;
cout<<n+(n-1)/(k-1)<<endl;
return 0;
}
```
by ZYC_MUSTA_1024 @ 2024-04-02 20:27:29
@[NoaNexus](/user/897858)
while循环中`n > k`改为`n >= k`
by _XiaY_ @ 2024-04-02 20:28:28
@[ZYC_MUSTA_1024](/user/794430) @[_XiaY_](/user/475783) 谢谢，已关
by NEXUSNOA @ 2024-04-15 12:16:25