Tag: Recursive Depth First Search
You are given an integer k and a binary search tree root, where each node is either a leaf or contains 2 children. Find the node containing the value …
Teaching Kids Programming: Videos on Data Structures and Algorithms Given two integers n and k, return all possible combinations of k numbers out of 1 … n. You may …
Teaching Kids Programming: Videos on Data Structures and Algorithms Given the root of a binary tree, return its maximum depth. A binary tree’s maximum depth is the number of …
Given a binary tree, you need to compute the length of the diameter of the tree. The diameter of a binary tree is the length of the longest path …
The n-queens puzzle is the problem of placing n queens on an n×n chessboard such that no two queens attack each other. Given an integer n, return all distinct …