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  1.     #include <iostream>
  2.     using namespace std;
  3.  
  4.     int main() 
  5.     {
  6. 	    int n;
  7. 	    cin >> n;
  8. 	    double a[n][n], aa[n][n], result1[n][n], result2[n][n];
  9. 	    for (int i = 0; i < n; i++)
  10. 	    {
  11. 			for (int j = 0; j < n; j++)
  12. 			{
  13. 				cin >> a[i][j];
  14. 				aa[j][i] = a[i][j];
  15. 			}
  16. 	    }
  17. 	    for (int i = 0; i < n; i ++)
  18. 	    {
  19. 	    	for (int j = 0; j < n; j ++)
  20. 	    	{
  21. 	    		result1[i][j] = 0.5 * ( a[i][j] + aa[i][j] );
  22. 	    		result2[i][j] = 0.5 * ( a[i][j] - aa[i][j] );
  23. 	    	}
  24. 	    }
  25. 	     for (int i = 0; i < n; i++)
  26. 	     {
  27. 		     for (int j = 0; j < n; j++)
  28. 		     {
  29. 			     cout << result1[i][j] << ' ';
  30. 		     }
  31. 		     cout << endl;
  32. 	     }
  33. 	     cout << endl;
  34. 	     for (int i = 0; i < n; i ++)
  35. 	     {
  36. 		     for (int j = 0; j < n; j ++)
  37. 		     {
  38. 			     cout << result2[i][j] << ' ';
  39. 		     }
  40. 		     cout << endl;
  41. 	     }
  42. 		return 0;
  43. }
Success #stdin #stdout 0s 3276KB
comments (?)
stdin 
3
1 2 3
2 4 6
1 4 8
stdout 
1 2 2 
2 4 5 
2 5 8 

0 0 1 
0 0 1 
-1 -1 0
https://ideone.com/l6GuPy
1/2*(a a (trans) )
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
secret

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