InterviewBit Problems   BST Iterator : Solved

About the BST Iterator : Solved category (2)
C++ Solution with O(1) avg time and O(h) space using stack (4)
Easy solution using priority_queue (2)
C++ Solution-Using Stack and O(h) space (1)
Short CPP soltn || space-O(h) Time: hasNext- O(1) , Next- O(logn) (1)
Easy Stack Based C++ Solution | Iterative Inorder | O(h) space | With Comments (1)
Easy Cpp solution(MUST READ) (2)
Simple C++ Soln (Very easy) (3)
Lame Python solution using heap (1)
Pythonic solution using a recursive generator (1)
I solved using heap. Is it a correct way? (2)
Simple C++ code Rosh (2)
Solution only using vectors (1)
C++: That was easy (1)
Very very simple c++ solution (1)
Simple c++ using set and inorder (1)
O(1) hasNext() but not O(1) next() (1)
C++ Neat solution with comments, Iterative Inorder using stack, Suggestions Welcome :) (1)
Simple and Efiicient C++ Solution (1)
C++ simple solution using stack (1)
Intuitive Solution python 3 (using inorder traversal) (1)
C++ solution using vector (3)
Java sol for bst ite (1)
Simplest & shortest sol. space o(h) (1)
Simple solution using Inorder traversal O(1) time and O(n) space complexity (1)
Simple but not optimized solution (2)
Simple solution, using a stack (2)
Not printing upon returning using hash map (1)
Simple C++ Solution using Queue (1)
Simple Solution With Optimized Space (1)