Submission #2399204

---

Source Code Expand

#include <bits/stdc++.h>
using namespace std;
#define REP(i, n) for(int i = 0; i < n; i++)

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

    return 0;
}

Submission Info

Judge Result