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  1. #include <iostream>
  2. #include <fstream>
  3. #include <list>
  4. using namespace std ;
  5.  
  6. //#define N 17
  7.  
  8. ifstream infile ("el.txt");     //Input file
  9. ofstream outfile("matrix.txt");     //Output file
  10.  
  11.  
  12.  
  13. int main (){
  14. 	int a, b;
  15. 	int n;
  16.  
  17. 	infile >> n ;
  18.  
  19. 	int** matrix = new int*[n];
  20. 	for (int i = 0; i < n; ++i)
  21. 	    matrix[i] = new int[n];
  22.  
  23.  
  24. 	while (infile >> a && a!=-1){
  25. 		infile >> b;
  26. 		matrix[a-1][b-1] = 1;
  27. 		matrix[b-1][a-1] = 1;
  28. 	}
  29.  
  30. 	for (int i=0; i<n; i++){
  31. 		for (int j=0; j<n; j++){
  32. 			if (matrix[i][j] == 1)
  33. 				outfile << " 1 " << " " ;
  34. 			else
  35. 				outfile << " 9 " << " " ;
  36. 		}
  37. 		outfile << endl ;
  38. 	}
  39.  
  40. 	for (int i = 0; i < n; ++i)
  41.   		delete [] matrix[i];
  42. 	delete [] matrix;
  43.  
  44. 	return 0;
  45. }
  46. your text goes here
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https://ideone.com/7stdkJ
language:
Text (text 6.10)
created:
9 years ago
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