Submission #1648029

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Source Code Expand

#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <map>
#include <stack>
#include <cmath>
#include <queue>


int main()
{
	long long n, m;

	std::cin >> n >> m;

	long long ans = 0;

	ans = std::min(n, m / 2);

	n -= ans;
	m -= ans * 2;

	if (m > 2) {
		ans += m / 4;
	}

	std::cout << ans << std::endl;

    return 0;
}

Submission Info

Judge Result