Tag: binary tree algorithm
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 the root of a binary tree, return the level order traversal of its nodes’ values. (i.e., from left to right, level by level). Example 1: Input: root = …
Teaching Kids Programming: Videos on Data Structures and Algorithms Given the root of a binary tree, the level of its root is 1, the level of its children is …
Given a binary tree root, return the number of nodes that are an only child. A node x is an only child if its parent has exactly one child …
Teaching Kids Programming: Videos on Data Structures and Algorithms You are given the root of a binary tree containing digits from 0 to 9 only. Each root-to-leaf path in …
