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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	int n, m, k;
  7. 	cin >> n >> m >> k;
  8.  
  9. 	vector<vector<int>> a(n, vector<int>(m));
  10.  
  11. 	for (int i = 0; i < n; ++i){
  12. 		for (int j = 0; j < m; ++j){
  13. 			int g;
  14. 			cin >> g;
  15. 			a[i][j]=g;
  16. 		}
  17. 	}
  18.  
  19. 	int ans = -1;
  20.  
  21. 	for (int i = 0; i < n; ++i){
  22. 		for (int j = 0; j <= m - k; ++j){
  23. 			int s;
  24. 			s = 0;
  25. 			for (int x = j; x < j + k; ++x){
  26. 				if (a[i][x] == 0){
  27. 					s++;
  28. 				}
  29. 			}
  30. 		if (s == k){
  31. 				ans = i;
  32. 				break;
  33. 		}
  34. 		}
  35.  
  36. 		if (ans >= 0){
  37. 			break;
  38. 		}
  39. 	}	
  40. 	if (ans >= 0){
  41. 		cout << ans+1;
  42. 	}
  43. 	else{
  44. 		cout << 0;
  45. 	}
  46. 	return 0;
  47. }
  48.  
  49.  
Success #stdin #stdout 0.01s 5300KB
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stdin
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3
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1 0 0 1
0 0 0 1
1 1 1 0
stdout
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1
https://ideone.com/Rn1gr3
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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