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Feb 16th, 2019
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C++ 0.41 KB | None | 0 0
  1.  #include <iostream>
  2.  #include <cmath>
  3. using namespace std;
  4.  
  5. int main ()
  6. {
  7.   int n, m, l, r;
  8.   cin >> n >> m;
  9.  int arr[n][n];
  10.  for (int i=0; i<n; i++)
  11. {
  12.   for (int j=0; j<n; j++)
  13.   arr[i][j]=0;
  14. }
  15. for (int i=0; i<m; i++)
  16. {
  17. cin >> l >> r;
  18. arr[l-1][r-1]=1;
  19. arr[r-1][l-1]=1;
  20. }
  21. for (int i=0; i<n; i++)
  22. {
  23.   for (int j=0; j<n; j++)
  24.   {
  25.   cout.width(3);
  26.   cout << arr[i][j];
  27.   }
  28.    cout << endl;
  29.  }
  30. }
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