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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main()
  5. {
  6. 	ios_base::sync_with_stdio(false);	
  7. 	cin.tie(NULL);
  8. 	string str="{";
  9. 	int k=1;
  10. 	while(true)
  11. 	{
  12. 		getline(cin,str);
  13. 		if(str[0]=='-')
  14. 		break;
  15. 		int open=0;
  16. 		int min=0;
  17. 		for(int i=0;i<str.length();++i)
  18. 		{
  19. 			if(str[i]=='{')
  20. 			{
  21. 				++open;
  22. 			}
  23. 			else
  24. 			{
  25. 				if(open>0)
  26. 				--open;
  27. 				else
  28. 				{
  29. 					open++;
  30. 					++min;
  31. 				}
  32. 			}
  33. 		}
  34. 		cout<<k<<". "<<min+open/2<<"\n";
  35. 		++k;
  36. 	}
  37. 	return 0;
  38. }
Success #stdin #stdout 0s 4532KB
comments (?)
stdin
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}{
{}{}{}
{{{}
---
stdout
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1. 2
2. 0
3. 1
https://ideone.com/DQg3U8
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
secret

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