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  1. #include <iostream>
  2. #include <cstdlib>
  3. #include <ctime>
  4. using namespace std;
  5.  
  6. void bracket(int n)
  7. {
  8. 	if (n == 0)
  9. 		return;
  10.  
  11. 	int left_len = rand() % n;
  12. 	int right_len = n - 1 - left_len;
  13.  
  14. 	cout << '(';
  15. 	bracket(left_len);
  16. 	cout << ')';
  17. 	bracket(right_len);
  18. }	
  19.  
  20. int main()
  21. {
  22. 	srand(time(NULL));
  23.  
  24. 	int n;
  25. 	cin >> n;
  26.  
  27. 	bracket(n);
  28.  
  29. 	return 0;
  30. }
Success #stdin #stdout 0s 3460KB
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(((())()))()(())
https://ideone.com/4RAiTN
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
secret

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