Grokking the Art of Recursion for Coding Interviews
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10. Inserting a new node in a BST
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Problem Statement

Write Recursive Approach to Insert New Node in a Binary Search Tree.

Given a binary search tree (BST) and a value to be inserted, write a recursive algorithm to insert a new node with the given value into the BST while maintaining its properties.

Examples

  1. BST Before Insertion:

        4
   / \
  2   7
 / \
1   3

    Input Node: 5 Output BST:

         4
   /    \
  2      7
 / \    /  
1   3  5

    Explanation: The input node with value 5 is inserted as the left child of node 7.

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