Submission #131691

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Source Code Expand

#include <algorithm>
#include <bitset>
#include <deque>
#include <fstream>
#include <functional>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <list>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <typeinfo>
#include <utility>
#include <vector>
#include <complex>
#include <cmath>
using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef unsigned int uint;
typedef vector<int> vec;
typedef vector<vec> mat;
static const double EPS = 1e-9;
static const double PI = acos(-1.0);

int main(){
  int N;
  cin >> N;
  cout << 2 *  N << endl;
  return 0;
}

Submission Info

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