Submission #1249060

#	Time	Username	Problem	Language	Result	Execution time	Memory
1249060		bethance	Star triangles (IZhO11_triangle)	C++20	0 / 100	1 ms	324 KiB

triangle

#include<bits/stdc++.h>
using namespace std;
int main(){
	int n;
	cin>>n;int r=0,l=0;
	while(n--){
		int a,b;
		cin>>a>>b;
		if(a==1){
			r++;
		}
		if(b==1){
			l++;
		}
	}
	cout<<r*l;
}

• Subtask 1: 0 / 100