Submission #1114575

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Source Code Expand

#include <iostream>
#include <cstdio>
#include <cstring>
#include <algorithm>
using namespace std;

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

Submission Info

Judge Result