Submission #1139217

---

Source Code Expand

#include<iostream>
#include<algorithm>

using namespace std;

int main(){
	long long n, m, ans = 0;
	cin >> n >> m;
	if(n >= (m / 2)){
		ans = min(n, m / 2);
	}else{
		ans = n + (m - 2 * n) / 4;
	}
	cout << ans << endl;
}

Submission Info

Judge Result