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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. const int MAX_SIZE = 9;
  5.  
  6. int main() {
  7. 	int n, m, mt[MAX_SIZE + 1][MAX_SIZE + 1];
  8. 	cin >> n >> m;
  9. 	for (int i = 1; i <= n; ++i) {
  10. 		for (int j = 1; j <= m; ++j) {
  11. 			cin >> mt[i][j];
  12. 		}
  13. 	}
  14. 	int flag = 1;
  15. 	for (int i = 1, j = 1; i <= n; ++i) {
  16. 		for (int j = 1; j <= m; ++j) {
  17. 			if (mt[i][m / 2 + 1] != mt[n / 2 + 1][m / 2 + 1] || 
  18. 				(mt[n / 2 + 1][j] != mt[n / 2 + 1][m / 2 + 1])) {
  19. 				flag = 0;
  20. 				i = n + 1;
  21. 				j = m + 1;
  22. 			}
  23. 		}
  24. 	}
  25. 	if (flag == 1) {
  26. 		cout << "Da";
  27. 	} else {
  28. 		cout << "Nu";
  29. 	}
  30. 	return 0;
  31. }
Success #stdin #stdout 0.01s 5264KB
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stdin
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3 5
1 2 0 4 5
0 0 0 0 0
1 2 0 4 5
stdout
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Da
https://ideone.com/cFJEfV
language:
C++14 (gcc 8.3)
created:
9 days ago
visibility:
public

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