InterviewBit Problems   Generate all Parentheses II : Unsolved

About the Generate all Parentheses II : Unsolved category (1)
Easy C++ solution with comments (4)
Very nice problem, need good observational skill using recursion (1)
Iterative Approach C++ (1)
Some error with input A = 4 (1)
This is what I get if I run it here. () (((()))) ((()())) ((())()) ((()))() (()(( (8)
How to sort the obtained vector? (3)
Recursion output cannot be static (4)
My Answer is correct still compiler says wrong (2)
I m getting double o/p (3)
Maximum limit of n ? it definitely cant be INT_MAX; (2)
What is the criteria to compare 2 strings? (2)
I am getting the exact required output in testing with custom intput but while te (1)
In all the backtracking program i get a space before my output in Test cases! (1)