InterviewBit Problems   Vertical Order traversal of Binary Tree : Solved

About the Vertical Order traversal of Binary Tree : Solved category (1)
The correct answer is wrong (since it requires pre-order traverse in the same vertical level)? (1)
Partial correct answer, not sure why (1)
What is wrong in this? Please help (1)
Solution validation incorrect (1)
Getting runtime error ,not able to figure out (1)
I am getting run time error for larger test cases. Please help me figure out the problem in my code (1)
Can be done in O(n) time without hashing (4)
Python solution easy solution (1)
PreOrder Not followed in output (6)
JAVA solution Balance factor approach (1)
JAVA balance factor approach (1)
About Inbuilt Pair Class (3)
What's difference between these codes?(python 3) (1)
What's the bug in my approach? (5)
Clean Solution in C++ (1)
C++ solution with complexity of O(N) (1)
Solved using approach from Hint in C++ (1)
Passing as custom but failing in test (1)
O(nlogn) solution_C++_BFS_(using queue and map) (3)
Input is incorrect while submitting (2)
Why failing for larger test cases (1)
Why we can't solve it using preorder traversal (2)
Why am i getting segmentation fault! (3)
Looks like test cases arent right (1)
Simple solution with level order traversal and Hashmap (1)
Better than editorial solution (1)
Incorrect testing considering the phrase of the question (1)
Memory Limit Setting (2)
Empty check is part of effiency not correctness this is incorrect (1)