Submission #1989360

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Source Code Expand

#include<iostream>

using namespace std;

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

Submission Info

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