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Grokking the Coding Interview Patterns in JavaScript

Solution: Inorder Successor in BST

Explore how to determine the inorder successor of a node in a binary search tree by applying depth-first search traversal. Understand how BST properties help optimize the search process, allowing you to identify the smallest node greater than the given node. This lesson guides you through the algorithm and its time and space complexity for efficient problem solving.

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Statement

You are given the root node of a binary search tree and a specific node p. Your task is to return the inorder successor of this p node. If there is no inorder successor of the given node, return NULL.

Note: The inorder successor of p is the node with the smallest value greater than p.data in the binary search tree.

Constraints:

  • The tree contains nodes in the range ...