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  1. #include <iostream>
  2. #include <algorithm>
  3. using namespace std;
  4. int main()
  5. {
  6.     char a[101][101];
  7.  
  8. 	int n, m;
  9. 	cin >> n >> m;
  10.  
  11. 	for (int i = 0; i < n; i++) {
  12.         cin >> a[i];
  13. 	}
  14.  
  15. 	int ans = 0;
  16. 	for (int i = 0; i < n; i++) {
  17. 		for (int j = 0; j < m; j++) {
  18. 			if (a[i][j] == '.') {
  19. 			    continue;
  20. 			}
  21.  
  22. 			int l;
  23.  
  24. 			for (l = i + 1; l < n; l++) {
  25. 			    if (a[l][j] != a[i][j]) {
  26. 			        break;
  27. 			    }
  28. 			}
  29. 			ans = max(ans, l - i);
  30.  
  31. 			for (l = j + 1; l < m; l++) {
  32. 			    if (a[i][l] != a[i][j]) {
  33. 			        break;
  34. 			    }
  35. 			}
  36. 			ans = max(ans, l - j);
  37.  
  38. 			for (l = 1; (l + i < n) && (l + j < m); l++) {
  39. 			    if (a[i + l][j + l] != a[i][j]) {
  40. 			        break;
  41. 			    }
  42. 			}
  43. 			ans = max(ans, l);
  44. 		}
  45. 	}
  46. 	cout << ans << endl;
  47. 	return 0;
  48. }
Success #stdin #stdout 0s 16064KB
comments (?)
stdin
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4 4
XX.O
X..O
....
XXXO
stdout
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3
https://ideone.com/Pmmg5r
Խնդիրը՝
http://o...content-available-to-author-only...p.am/sites/default/file/problems/tintaxtoe.pdf
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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