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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int t;
  6. 	cin >> t;
  7. 	while(t--)
  8. 	{
  9. 		int n,c=0;
  10. 		cin >> n;
  11. 		vector<int> v;
  12. 		string s;
  13. 		cin >> s;
  14. 		for(int i=0;i<n;i++)
  15. 		{
  16. 			if(s[i]=='0')
  17. 			{
  18. 				c++;
  19. 			}
  20. 			else
  21. 			{
  22. 				v.push_back(c);
  23. 				c=0;
  24. 			}
  25. 		}
  26. 		v.push_back(c);
  27.  
  28. 		vector<int> :: iterator it = max_element(v.begin(),v.end());
  29. 		cout << *it << endl;
  30. 	}
  31. 	return 0;
  32. }
Success #stdin #stdout 0.01s 5324KB
comments (?)
stdin
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5
5
1 0 0 1 0
4
0 1 1 1
1
0
3
1 1 1
9
1 0 0 0 1 0 0 0 1
stdout
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0
0
1
1
0
https://ideone.com/dc0UGS
language:
C++ (gcc 8.3)
created:
14 hours ago
visibility:
public

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