下载数据看一下
by Zenurik @ 2018-05-05 20:22:23
#include<bits/stdc++.h>
using namespace std;
long int n,k,sum;
int main()
{
cin>>n>>k;
for(int i=1;n>0;i++)
{
sum+=n;
n/=k;
}
cout<<sum;
return 0;
}
by Shui_Dream @ 2018-06-06 19:24:17
```cpp
#include <bits/stdc++.h>
using namespace std;
int main(){
int n,k;
cin>>n>>k;
cout<<n+(n-1)/(k-1);
return 0;
}
```
by S_W_T @ 2018-08-20 17:24:41