InterviewBit Problems   Path to Given Node : Unsolved

About the Path to Given Node : Unsolved category (1)
Gives TLE, can someone help (3)
For those who are feeling there is some issue with editor or question,Don't take any global variable (2)
Why this code is wrong (2)
Minor help needed (3)
Running into TLE/MLE when using cout to check the order of nodes (1)
Input value confusion (5)
Somthings are very wrong (4)
I think that the question has some error (2)
Read carefully It's Binary Tree not Binary Search Tree :) (1)