Submission #471871

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Source Code Expand

#include <bits/stdc++.h>
#define rep(i,l,n) for(int i=l;i<n;i++)
#define rer(i,l,n) for(int i=l;i<=n;i++)
#define all(a) a.begin(),a.end()
#define fi first
#define se second
using namespace std;
typedef long long ll;
typedef vector<int> vint;
typedef vector<vector<int> > vvint;
typedef pair<int,int> pii;

int main(){
	int n;

	cin>>n;

	cout<<2*n<<endl;
}

Submission Info

Judge Result