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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5. class Matrix
  6. {
  7. 	public static void main (String[] args) throws java.lang.Exception
  8. 	{
  9. 	    Scanner in = new Scanner(System.in);
  10. 		int n = in.nextInt();
  11. 	    double[][] a = new double[n][n], aa =  new double[n][n], result1 = new double[n][n], result2 = new double[n][n];
  12. 	    for (int i = 0; i < a.length; i++)
  13. 	    {
  14. 			for (int j = 0; j < a[i].length; j++)
  15. 			{
  16. 				a[i][j] = in.nextDouble();
  17. 				aa[j][i] = a[i][j];
  18. 			}
  19. 	    }
  20. 	    for (int i = 0; i < a.length; i ++)
  21. 	    {
  22. 	    	for (int j = 0; j < a[i].length; j ++)
  23. 	    	{
  24. 	    		result1[i][j] = 0.5 * (a[i][j] + aa[i][j]);
  25. 	    		result2[i][j] = 0.5 * (a[i][j] - aa[i][j]);
  26. 	    	}
  27. 	    }
  28. 	     for (int i = 0; i < a.length; i++)
  29. 	     {
  30. 		     for (int j = 0; j < a[i].length; j++)
  31. 		     {
  32. 				System.out.print(result1[i][j] + " ");
  33. 		     }
  34. 		     System.out.println(' ');
  35. 	     }
  36. 	    System.out.println(' ');
  37. 	    for (int i = 0; i < a.length; i ++)
  38. 	     {
  39. 		     for (int j = 0; j < a[i].length; j ++)
  40. 		     {
  41. 			    System.out.print(result2[i][j] + " ");
  42. 		     }
  43. 		     System.out.println(' ');
  44. 	     }
  45. 	}
  46. }
Success #stdin #stdout 0.18s 321344KB
comments (?)
stdin
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3
1 2 3
2 4 6
1 4 8
stdout
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1.0 2.0 2.0  
2.0 4.0 5.0  
2.0 5.0 8.0  
 
0.0 0.0 1.0  
0.0 0.0 1.0  
-1.0 -1.0 0.0
https://ideone.com/ADQtJq
A 712
language:
Java (12.0.1)
created:
9 years ago
visibility:
secret

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