Submission #1115336

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Source Code Expand

#include <iostream>
#include <cstdio>
#include <vector>
#include <string>
#include <algorithm>
#include <cmath>
#include <utility>
#include <set>
#include <map>
#include <deque>
#include <stack>

using namespace std;

int main() {
    long long s, c, k;
    cin >> s >> c;
    k = max((long long)0, (c - 2 * s) / 4);
    if (2*s <= c)
       cout << s + k << "\n";
    else
       cout << c / 2 << "\n"; 
    cin >> s;
    return 0;
}

Submission Info

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