Remove Node From Bst

medium

1. You are given a partially written BST class.
2. You are required to complete the body of remove function. "remove" function is expected to remove a new node with given data to the tree and return the new root.
3. Input and Output is managed for you. 

Note -&gt; Please watch the question video to figure out the algorithm required for deletion. It specifies some requirements of the question as well.

Input Format

Input is managed for you

Output Format

Output is managed for you

Constraints

None

Notice

Try First, Check Solution later

1. You should first read the question and watch the question video.
2. Think of a solution approach, then try and submit the question on editor tab.
3. We strongly advise you to watch the solution video for prescribed approach.

Example

Input

15
50 25 12 n n 37 n n 75 62 n n 87 n n
62

Output

25 <- 50 -> 75
12 <- 25 -> 37
. <- 12 -> .
. <- 37 -> .
. <- 75 -> 87
. <- 87 -> .

Add Node To Bst

Replace With Sum Of Larger