Submission #1114461

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Source Code Expand

#include <bits/stdc++.h>
#define SZ(x) ((int) (x).size())
using namespace std;

typedef long long i64;

int main() {
    #ifdef LOCAL_RUN
    freopen("task.in", "r", stdin);
    freopen("task.out", "w", stdout);
    //freopen("task.err", "w", stderr);
    #endif // ONLINE_JUDGE
    ios::sync_with_stdio(false);
    cin.tie(0);

    int64_t a, b;
    cin >> a >> b;
    
    int64_t ans = min(a, b / 2);
    a -= ans;
    b -= 2 * ans;
    if (a == 0) {
        ans += b / 4;
    }
    cout << ans << '\n';
}

Submission Info

Judge Result