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  1. //ю4.9
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. class FifthLab
  8. {
  9. 	public static void main (String[] args) throws java.lang.Exception
  10. 	{
  11. 		Scanner input = new Scanner(System.in);
  12. 		int n, m;
  13.  
  14. 		n = input.nextInt();
  15. 		m = input.nextInt();
  16.  
  17. 		double[][] A = new double[n][m];
  18.  
  19. 		for(int i = 0; i < n; i++)
  20. 		{
  21. 			for(int j = 0; j < m; j++)
  22. 			{
  23. 				A[i][j] = input.nextDouble();
  24. 			}
  25. 		}
  26.  
  27. 		for(int i = 0; i < n; i++)
  28. 		{
  29. 			for(int j = 0; j < m; j++)
  30. 			{
  31. 				if(A[i][j] != 0)
  32. 				{
  33. 					A[i][j] = -(1/A[i][j]);
  34. 				}
  35. 			}
  36. 		}
  37.  
  38. 		for(int i = 0; i < n; i++)
  39. 		{
  40. 			for(int j = 0; j < m; j++)
  41. 			{
  42. 				System.out.printf("%.3f ",A[i][j]);
  43. 			}
  44. 			System.out.println();
  45. 		}
  46. 	}
  47. }
Success #stdin #stdout 0.08s 4386816KB
comments (?)
stdin
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3
4
-3
-9
15
12
-31
-8
2
8
 -1
2
-6
-8
stdout
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0.333 0.111 -0.067 -0.083 
0.032 0.125 -0.500 -0.125 
1.000 -0.500 0.167 0.125
https://ideone.com/TNg4dJ
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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