整数划分问题

#include<iostream>
using namespace std;
int zshf(int n,int m){
    if(n<1)
        return 0;
    else if(n==1||m==1)
        return 1;
    else if(n<m) return zshf(n,n);
    else if(n==m) return zshf(n,m-1)+1;
    return zshf(n,m-1)+zshf(n-m,m);
}
int main(){
    int n;
    n=zshf(6,3);
	cout<<n<<endl;
	return 0;
}