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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. template<typename T>
  6. istream& operator >> (istream& is, vector<T>& vec){
  7.   for(T& x: vec) is >> x;
  8.   return is;
  9. }
  10.  
  11. int main(){
  12.   int n;
  13.   cin >> n;
  14.  
  15.   vector<vector<int>> A(n, vector<int>(n));
  16.   cin >> A;
  17.  
  18.   for(int i=0; i<n; i++){
  19.     for(int j=0; j<n; j++){
  20.   	  cout << A[i][j] << " ";
  21.     }
  22.     cout << endl;
  23.   }
  24.  
  25.   return 0;
  26. }
Success #stdin #stdout 0s 3468KB
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stdin
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3
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4 5 6
7 8 9
stdout
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1 2 3 
4 5 6 
7 8 9
https://ideone.com/dtSfLo
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
secret

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