Tag: recursive depth first search algorithm
Teaching Kids Programming: Videos on Data Structures and Algorithms Given a binary tree root, return whether all values in the tree are the same. Constraints n ≤ 100,000 where …
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, remove all nodes with only one child. Constraints n ≤ 100,000 where n is the number of nodes in root Example 1 Input root …
Given a binary tree root, return the sum of each of the diagonals in the tree starting from the top to bottom right. For example, given 1 / \ …
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) …