Tag: recursive algorithm
Teaching Kids Programming: Videos on Data Structures and Algorithms Given the root of a binary tree, return the inorder traversal of its nodes’ values. Example 1: Input: root = …
Teaching Kids Programming: Videos on Data Structures and Algorithms Given a binary tree root, return the number of unique vertical lines that can be drawn such that every node …
Given a root of an N-ary tree, return a deep copy (clone) of the tree. Each node in the n-ary tree contains a val (int) and a list (List) …
Given the root node of a binary search tree (BST) and a value to be inserted into the tree, insert the value into the BST. Return the root node …
Teaching Kids Programming: Videos on Data Structures and Algorithms Given positive integers start and end, return the minimum number of operations needed to convert start to end using these …