fork download
copy 
  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5. class Ideone
  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[][];
  12. 		A = new double [n][];
  13. 		for(int i=0; i<n; i++){
  14. 			A[i] = new double [n];   
  15. 			for(int j=0; j<n; j++){
  16. 				A[i][j] = in.nextDouble();
  17. 			}
  18. 		}
  19. 		double B[][];
  20. 		B = new double [n][];
  21. 		for(int i=0; i<n; i++){
  22. 			B[i] = new double [n];  
  23. 			for(int j=0; j<n; j++){
  24. 				B[i][j]=0;
  25. 				if (i<j){
  26. 					B[i][j]=10*0.1/((i+1)+(j+1)-1);
  27. 				}
  28. 				else{
  29. 					if (i==j){
  30. 						B[i][j]=0;
  31. 					}
  32. 					else {
  33. 							B[i][j]=-10*0.1/((i+1)+(j+1)-1);
  34. 					}
  35. 				}	
  36. 			}
  37. 		}
  38. 		double C[][];
  39.     	C = new double [n][];
  40. 		for(int i=0; i<n; i++){
  41. 		 	C[i] = new double [n];  
  42. 			for(int j=0; j<n; j++){
  43. 				C[i][j]=0;
  44. 				for(int k=0; k<n; k++){
  45. 					C[i][j]+=A[i][k]*B[k][j];
  46. 				}
  47. 			}
  48. 		}
  49. 		for(int i=0; i<n; i++){
  50. 			for(int j=0; j<n; j++){
  51. 				System.out.print(C[i][j]+" "); 
  52. 			}
  53. 		System.out.println();
  54. 		}
  55. 	}
  56. }
Success #stdin #stdout 0.17s 321280KB
comments (?)
stdin
copy 
3
1 2 3
7 6 5
4 8 9
stdout
copy 
-2.0 -0.25 0.8333333333333333 
-4.666666666666666 2.25 3.833333333333333 
-7.0 -0.25 3.333333333333333
https://ideone.com/GCls9n
а700в
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!