fork download
copy 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n,m;
  6. 	cin >> n >> m;
  7. 	double A[n][m];
  8. 	for (int i = 0; i < n; i++){
  9. 		for (int j = 0; j < m; j++)
  10. 			cin >> A[i][j];
  11. 	}
  12. 	for (int i = 0; i < n; i++){
  13. 		for (int j = 0; j < m; j++)
  14. 			if (A[i][j]!=0){
  15. 				A[i][j]=-(1/A[i][j]);
  16. 			}
  17. 	}	
  18. 	for (int i = 0; i < n; i++){
  19. 		for(int j = 0; j < m; j++)
  20. 			cout << A[i][j] << "\t";
  21. 			cout << endl;
  22. 	}
  23. 	return 0;
  24. }
Success #stdin #stdout 0s 3432KB
comments (?)
stdin
copy 
3 4
1 1 1 1
1 1 1 1
1 1 1 1
stdout
copy 
-1	-1	-1	-1	
-1	-1	-1	-1	
-1	-1	-1	-1
https://ideone.com/JX6G1b
изменение квадратной матрицы
language:
C++14 (gcc 8.3)
created:
10 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!