Submission #1515200

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Source Code Expand

#include <iostream>

using namespace std;

int main() {

    int N, M;
    cin >> N >> M;

    int max_ = 0;

    for (int i = 1; i <= M / 2; i++) {
        max_ = max(max_, min(N + i, (M - i * 2) / 2));
    }

    cout << max_ << endl;
}

Submission Info

Judge Result