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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. void solve() {
  5. 	int n;
  6. 	cin >> n;
  7. 	string s;
  8. 	cin >> s;
  9. 	int ans = 1;
  10. 	for (int i = 1; i < 2 * n - 1; i++) {
  11. 		if (s[i] == '(') {
  12. 			if (s[i - 1] == '(') {
  13. 				ans++;
  14. 			}
  15. 		} 
  16. 	}
  17. 	cout << ans << endl;
  18. }
  19.  
  20. int main() {
  21. 	// your code goes here
  22. 	int t;
  23. 	cin >> t;
  24. 	while (t--) solve();
  25. }
Success #stdin #stdout 0s 5288KB
comments (?)
stdin
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5
1
()
3
()(())
3
((()))
4
(())(())
9
(())(((())))(()())
stdout
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1
2
3
3
6
https://ideone.com/eB4LQr
language:
C++14 (gcc 8.3)
created:
32 days ago
visibility:
public

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