牌型种数

#include<iostream>
#include<cstring>
using namespace std;
int count=0;
int sum=0;
void dfs(int step){
	//cout<<"sum:"<<sum<<"step:"<<step<<endl;
	if(sum>13||step>13){
		return;
	}
	if(sum==13&& step == 13){
		count++;
		//cout<<"count"<<count<<endl;
		return;
	}	
	//step++;
	for(int i=0;i<5;i++){
		sum+=i;
		dfs(step+1);
		sum-=i;
	}
	//step--;
	
}

int main(){	
	dfs(0);	
	cout<<count;
	return 0;
}