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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5. class Ideone {
  6. 	public static void main (String[] args) {
  7. 		Scanner sc = new Scanner (System.in);
  8. 		int n, m;
  9. 		m = sc.nextInt();
  10. 		n = sc.nextInt();
  11. 		double [][] a = new double [m][m];
  12. 		double [][] b = new double [m][m];
  13. 		double [][] c = new double [m][m];
  14. 		double [][] ans = new double [m][m];
  15. 		for (int i = 0; i < m; i++) {
  16. 			for (int j = 0; j < m; j++) {
  17. 				a[i][j] = sc.nextDouble();
  18. 				c[i][j] = b[i][j] = ans[i][j] = a[i][j];
  19. 			}
  20. 		}
  21. 		for (int it = 1; it < n; it++) {
  22. 			for (int i = 0; i < m; i++) {
  23. 				for (int j = 0; j < m; j++) {
  24. 					c[i][j] = 0;
  25. 					for (int k = 0; k < m; k++) {
  26. 						c[i][j] += a[i][k] * b[k][j];
  27. 					}
  28. 				}
  29. 			}
  30. 			for (int i = 0; i < m; i++) {
  31. 				for (int j = 0; j < m; j++) {
  32. 					ans[i][j] += c[i][j];
  33. 					b[i][j] = c[i][j];
  34. 				}
  35. 			}
  36. 		}
  37. 		for (int i = 0; i < m; i++) {
  38. 			ans[i][i]++;
  39. 		}
  40. 		for (int i = 0; i < m; i++) {
  41. 			for (int j = 0; j < m; j++) {
  42. 				System.out.print(ans[i][j] + " ");
  43. 			}
  44. 			System.out.println();
  45. 		}
  46. 	}
  47. }
Success #stdin #stdout 0.16s 321280KB
comments (?)
stdin
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2 2
6 7
12 54
stdout
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127.0 427.0 
732.0 3055.0
https://ideone.com/hOFldD
language:
Java (12.0.1)
created:
9 years ago
visibility:
secret

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