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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int main() {
  6. 	int n;
  7. 	cin >> n;
  8. 	double A[n][n];
  9. 	for(int i = 0; i < n; i++){
  10. 		for(int j = 0; j < n; j++){
  11. 			cin >> A[i][j];
  12. 		}
  13. 	}
  14.  
  15. 	double B[n][n];
  16. 	for(int i = 0; i < n; i++){
  17. 		for(int j = 0; j < n; j++){
  18. 			B[i][j] = 0;
  19. 			if (i < j){B[i][j] = 10 * 0.1 / ((i+1) + (j+1) -1);}
  20. 			else {
  21. 				if (i == j){B[i][j] = 0;}
  22. 				else {B[i][j] = -10 * 0.1 / ((i+1) + (j+1) -1);}
  23. 			}	
  24. 		}
  25. 	}
  26.  
  27. 	double C[n][n];
  28. 	for(int i = 0; i < n; i++){
  29. 		for(int j = 0; j < n; j++){
  30. 			C[i][j] = 0;
  31. 			for(int k = 0; k < n; k++){
  32. 				C[i][j] += A[i][k] * B[k][j];
  33. 			}
  34. 		}
  35. 	}
  36.  
  37. 	for(int i = 0; i < n; i++){
  38. 		for(int j = 0; j < n; j++){
  39. 			cout << C[i][j] << " ";
  40. 		}
  41. 		cout << endl;
  42. 	}
  43.  
  44. 	return 0;
  45. }
Success #stdin #stdout 0s 3416KB
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Standard output is empty
https://ideone.com/t1C06d
a700b
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
secret

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