Submission #1500405

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Source Code Expand

#include <iostream>
#include <string>
using namespace std;
int main() {
	long long int N,M,a,b;
	cin >> N >>M;
	if (N >= M / 2) {
		cout << M / 2 << endl;
		return 0;
	}
	else {
		a = M - 2 * N;
		b = a / 4;
		cout << b + N << endl;
	}
}

Submission Info

Judge Result