Linked list and binary tree

#1

why we are passsing as (noderoot) and not (node&root) as in case of linked list (node*&head) to functions?

#2

node *root already passes a reference, node *&head passes a pointer to a pointer or in other words reference to an address

#3

hi @shivansh.sm1 if your doubt is solved, please mark it as resolved

#4

I hope I’ve cleared your doubt. I ask you to please rate your experience here
Your feedback is very important. It helps us improve our platform and hence provide you
the learning experience you deserve.

On the off chance, you still have some questions or not find the answers satisfactory, you may reopen
the doubt.