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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 an efficient depth-first search traversal. Learn to leverage BST properties to discard irrelevant branches and track potential successors, optimizing your solution for coding interviews.

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 ...