https://www.luogu.com.cn/problem/U297791

我的提交__↓__ https://www.luogu.com.cn/record/110786250

#include<iostream>
using namespace std;
int main(){
	int n,d,c;
	cin>>n>>d;
	for (int i=0;i<=n;++i){
		if(i>d) break;
		for (int j=0;j<=n;++j){
			if(i+(2*j)>d) break;
			for (int h=0;h<=n;++h){
					if((i+(2*j)+(3*h))==d){
		            	c++;
		            }
				    else continue;
			}
		}
	} 
	cout<<c;
	return 0;
}

求大佬们帮帮我！