Submission

Score: 0

User: n1412n

Problemset: กองไฟ

Language: cpp

Time: 0.002 second

Submitted On: 2026-03-10 21:04:55

#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,a,b,c,fa=1;
	cin>>n>>a>>b>>c;
	if(((a==0)&&(b==c))||((b==0)&&(a==c))||((c==0)&&(a==b))){
		cout<<2;
		return 0;
	}
	if((a+b<c)||(a+c<b)||(b+c<a)){
		cout<<0;
		return 0;
	}
	if(a==b&&b==c){
		for(int i=2;i<=a+2;i++)fa*=i;
		cout<<fa;
		return 0;
	}
}