Submission #1307413

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Source Code Expand

#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <stack>
#include <queue>
#include <set>
#include <map>
#include <utility>
#define INF 1000000000
#define mod 1000000007
#define rep(i,n) for(int i=0;i<(n);i++)
#define REP(i,a,b) for(int i=(a);i<(b);i++)
#define all(x) (x).begin(),x.end()
using namespace std;
int dx[4]={1,0,-1,0};
int dy[4]={0,1,0,-1};
bool debug=false;

int main(){
  int h,w;
  char c[105][105];
  cin>>h>>w;
  
  rep(i,h){
    rep(j,w){
      cin>>c[i][j];
    }
  }
  //cout<<h<<" "<<w<<endl;
  rep(i,h*2){
    rep(j,w){
      cout<<c[i/2][j];
    }
    cout<<endl;
  }
  return 0;
 
}

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