Submission #1440548

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

//--------------------------------------------
#define FOR(i,a,b) for(int i=(a);i<(b);i++)
#define RFOR(i,a,b) for(int i=(b)-1;i>=(a);i--)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) RFOR(i,0,n)
#define LL long long
#define INF INT_MAX/3

//--------------------------------------------
const double EPS = 1e-14;
const double PI  = acos(-1.0);

//--------------------------------------------

int main(){
  int h,w;
  string s;
  vector <string> v;

  cin >> h >> w;
  REP (i, h) {
    cin >> s;
    v.push_back(s);
  }

  REP (i, 2 * h) {
    REP (j, w) {
      cout << v.at(i / 2).at(j);
    }
    cout << "\n";
  }
}

Submission Info

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