Tag: depth first search algorithm
Teaching Kids Programming: Videos on Data Structures and Algorithms Given the root of a binary tree, return the average value of the nodes on each level in the form …
Teaching Kids Programming: Videos on Data Structures and Algorithms Given a binary tree root, return the same tree except every node’s value is replaced by its original value plus …
Teaching Kids Programming: Videos on Data Structures and Algorithms Given the root node of a binary search tree, return the sum of values of all nodes with a value …
Teaching Kids Programming: Videos on Data Structures and Algorithms Given a binary tree root, return the number of nodes that are an only child. A node x is an …
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 …