Validate Binary Search Tree

    LeetCode / Binary Search Tree / 98번 / Validate Binary Search Tree / JS

    Validate Binary Search Tree - LeetCode Can you solve this real interview question? Validate Binary Search Tree - Given the root of a binary tree, determine if it is a valid binary search tree (BST). A valid BST is defined as follows: * The left subtree of a node contains only nodes with keys le leetcode.com 주어진 Tree가 유효한 BST(Binary Search Tree)인지 확인해서 boolean 값을 반환하는 문제이다..