Submission #1080980

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Source Code Expand

#include <cmath>
#include <string>
#include <vector>
#include <iomanip>
#include <iostream>
#include <algorithm>
#include <functional>
#pragma warning(disable : 4996)
using namespace std;
long long n;
int main() {
	cin >> n;
	if (n % 11 == 0) cout << n / 11 * 2 << endl;
	else if (n % 11 <= 6) cout << n / 11 * 2 + 1 << endl;
	else cout << n / 11 * 2 + 2 << endl;
	return 0;
}

Submission Info

Judge Result