2 test case failing

#1

First I built the tree using pr eorder and inorder and verified the code at hackerblocks…It is workign fine.
I created one helper function to print all downwards node.

Then I used kthNode function to call for below nodes at a distance k and for ancestors at a distance of k-d-1.

2 test case failing

#2

You need to print your output in sorted order… As the output is coming correct for the test case but it is not in sorted manner…

#3

Not working…Same 2 test case failing

#4

I have edited your code… Try to submit it now…