```cpp
#include<bits/stdc++.h>
using namespace std;
int n,k,f[210][10];
int main()
{
cin>>n>>k;
for(int i=1;i<=n;i++){
for(int j=1;j<=k;j++){
if(i==j) f[i][j]=1;
else if(i<j) f[i][j]=0;
else f[i][j]=f[i-j][j]+f[i-1][j-1];
}
}
cout<<f[n][k]<<endl;
return 0;
}
```
@[XH1111](/user/664087)
by Squirrel_GZQ @ 2023-09-01 12:26:21