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Solution: Inorder Successor in BST

Understand how to find the inorder successor of a given node in a binary search tree by applying depth-first search traversal. This lesson demonstrates an efficient strategy to navigate the BST, updating potential successors based on node values, and explains the algorithm's time and space complexity.

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 ...