Problem 🤔 Given a root node reference of a BST and a key, delete the node with the given key in the…

Challenge 🤔 Given a binary search tree and a node in it, find the in-order predecessor of that node…

Problem 🤔 This is a warm up problem for binary search trees. Let's write an algorithm to find the…

Problem 🤔 This is a warm up problem for binary search trees. Let's write an algorithm to find the…

Challenge 🤔 Given a binary search tree and a node in it, find the in-order successor of that node…

Problem 🤔 Given the root of a binary tree, determine if it is a valid binary search tree (BST). A…