Submission #1840636

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Source Code Expand

#include <iomanip>
#include <random>
#include <time.h>
#include <vector>
#include <queue>
#include <functional>
#include <map>
#include <string>
#include <cstdlib>
#include <typeinfo>
#include <math.h>
#include <algorithm>
#include <iostream>
using namespace std;

int main() {
	long long int x;
	cin >> x;
	if (!(x % 11))cout << x / 11 * 2 << endl;
	else if (x % 11 > 6) cout << ((x + 10 )/ 11) * 2 << endl;
	else cout << (x / 11) * 2 + 1 << endl;
	return 0;
}

Submission Info

Judge Result