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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int x[500][500];
  5. int main(){
  6. 	int n, m, p;
  7. 	cin >> n >> m;
  8. 	for (int i = 0; i < n; i++)
  9. 		for (int j = 0; j < m; j++)
  10. 			cin >> x[i][j];
  11. 	unsigned long long v = 0;
  12. 	for (int i = 0; i < n; i++) {
  13. 		for (int j = 0; j < m; j++) {
  14. 			cin >> p;
  15. 			if (p) v += x[i][j];
  16. 		}
  17.     }
  18. 	cout << v;
  19. }
Success #stdin #stdout 0s 16208KB
comments (?)
stdin
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3 3
1 2 3
4 5 6
7 8 9

1 0 1
0 1 0
1 0 1
stdout
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25
https://ideone.com/9hq6no
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
secret

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