Submission #1117413

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Source Code Expand

#include<iostream>
#include<string>
#include<vector>
#include<algorithm>
#include<math.h>

using namespace std;

int main() {
	long long S, c;
	cin >> S >> c;
	long long ss = 0;

	if (S - 2 * c <= 0) {
		ss = S;
		c = c - 2 * S;
		ss = ss + ceil(c / 4);
	}
	else {
		ss = ceil(c/2);
	}


	cout << ss << endl;
	return 0;
}

Submission Info

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