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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. class Ideone{
  8. 	public static void main (String[] args) throws java.lang.Exception{
  9. 		int n,i=0,j=0,k,p;
  10. 		Scanner x = new Scanner(System.in);
  11. 		n = x.nextInt();
  12. 		int [][] a;
  13. 		a = new int[n][n];
  14. 		int [][] b;
  15. 		b = new int[n][n];
  16. 		int [][] c;
  17. 		c = new int[n][n];
  18. 		int [][] d;
  19. 		d = new int[n][n];
  20. 		d[i][j]=0;
  21. 		for( i=0 ; i<n ; i++ ){
  22. 			for( j=0 ; j<n ; j++ ){ 
  23. 				a[i][j]=x.nextInt();
  24. 			}
  25. 		}
  26. 		for(  i=0 ; i<n ; i++ ){
  27. 			for(  j=0 ; j<n ; j++ ){
  28. 				b[i][j]=x.nextInt();
  29. 				a[i][j] += b[i][j];
  30. 			}
  31. 		}
  32. 		for(  i=0 ; i<n ; i++ ){
  33. 			for(  j=0 ; j<n ; j++ ){
  34. 				c[i][j]=x.nextInt();
  35. 			}
  36. 		}
  37. 		for(  i=0 ; i<n ; i++ ){		
  38. 			for(  j=0 ; j<n ; j++ ){			
  39. 				for(  k=0 ; k<n ; k++ ){			
  40. 					d[i][j] += a[i][k] * c[k][j];
  41. 				}
  42. 			}
  43. 		}
  44. 		for ( k = 0; k < n; k++) {
  45.     		for ( p = 0; p < n; p++) {
  46.         		System.out.print(d[k][p] + "\t");
  47.     		}
  48.     	System.out.println();
  49. 		}
  50. 	}
  51. }
  52.  
Success #stdin #stdout 0.14s 322368KB
comments (?)
stdin
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3 3 4 1 1 2 1 5 6 7 1 3 1 2 4 5 6 5 1 1 1 0 5 8 1 2 3 2
stdout
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43	66	11	
45	69	18	
82	123	27
https://ideone.com/AFlUVs
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
secret

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