InterviewBit Problems   Largest Distance between nodes of a Tre : Unsolved

About the Largest Distance between nodes of a Tre : Unsolved category (1)
Wrong judjement (7)
O(n) soln timing out (7)
Can you tell me what is wrong with this? (1)
Simplest C++ conecpt of diameter (1)
Large Test Case Failing (5)
It showing error (1)
IB compiler sucks. Why this gives runtime error? Working good on other platforms (2)
Why am I getting a TLE?(My solutions is O(n)) (2)
Bypass stack limit for recursive O(n) solution [Python] (4)
Its not necessary that max length will not always contain the root node but the solution seems to not follow that (1)
Something is wrong with this question (1)
Submit and test different output for same input (8)
You can assume that values in P are ordered in ascending order (1)
How to do BFS with the given information? (2)
In every test case the '0' is the root of the tree. This should be mentioned if you don't want to make test case on this constraint (1)
Wrong expected solution (3)
Big Waste For Learning (2)
IF GETTING TLE or difference in actual output and your output (1)
Bug as of May June (1)
Confusion in the Tree Representation (2)
Run time error but giving right answer (1)
Bug as of 19th August (1)
Bug as of 28 July (2)
Dfs stack overflow for recursive solution (2)
BFS solution not accpted (2)
For those getting TLE (1)
Bug in system 1 March 2018 (2)
Bug in the system (1)