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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int m, n;
  6. 	cin >> m >> n;
  7. 	int A[m][n], AAt[m][m];
  8. 	for(int i=0; i<m; i++){
  9. 		for(int j=0; j<n; j++){
  10. 			cin >> A[i][j];
  11. 		}
  12. 	}
  13. 	for(int i=0; i<m; i++){
  14.         for(int j=0; j<m; j++){
  15.             int tmp=0;
  16.             for(int k=0; k<n; k++){
  17.                 tmp+=A[i][k]*A[j][k];
  18.             }
  19.             AAt[i][j]=tmp;
  20.         }
  21.     }
  22.     for(int i=0; i<m; i++){
  23. 		for(int j=0; j<m; j++){
  24. 			cout << AAt[i][j] << " ";
  25. 		}
  26. 		cout << endl;
  27. 	}
  28. 	return 0;
  29. }
Success #stdin #stdout 0s 3100KB
comments (?)
stdin
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2 4
11 22 33 44
76 0 1 0
stdout
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3630 869 
869 5777
https://ideone.com/yFMdGG
A711б
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
secret

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