Construct Bst From Inorder Traversal

easy
1. You are given a partially written function to solve(Refer question video).
2. Task : Construct Binary Search Tree from given InOrder Traversal.
3. you will be given an array representing a valid InOrder of a Binary Search Tree. Program is required to create a unique Balanced Binary Search Tree.

Input Format

Input is managed for you.

Output Format

output is managed for you.

Constraints

0 <= Number of Nodes <= 10^9
-10^9 <= value of Node data <= 10^9
Valid InOrder traversal.

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
7
1 2 3 4 5 6 7
Output
2 -> 4 <- 6
1 -> 2 <- 3
. -> 1 <- .
. -> 3 <- .
5 -> 6 <- 7
. -> 5 <- .
. -> 7 <- .
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