Validate Binary Search Tree
Understand how to validate a binary search tree by applying depth-first search techniques. Learn to verify node key constraints within left and right subtrees and ensure the entire tree meets BST conditions. This lesson helps you develop a conceptual framework for binary tree validation useful in coding interviews.
We'll cover the following...
We'll cover the following...
Statement
Given the root of a binary tree, check whether it is a valid binary search tree (BST).
A binary tree is a valid BST ...