Preorder BST is giving error

#1

https://ide.codingblocks.com/s/386806 is giving error

#2

Hello @shrutikatyal what is the error that you are facing?

#3

what is the question that you are doing?
it seems like you have mixed everything in your code.

#4

hey @shrutikatyal check this: https://ide.codingblocks.com/s/386826
if you have any doubt you can ask here:
Happy Learning!!