Tag: breadth first search

Teaching Kids Programming: Videos on Data Structures and Algorithms Given a binary tree where node values are digits from 1 to 9. A path in the binary tree is …

Teaching Kids Programming: Videos on Data Structures and Algorithms Given the root of a binary tree where every node has a unique value and a target integer k, return …

Teaching Kids Programming: Videos on Data Structures and Algorithms An image is represented by a 2-D array of integers, each integer representing the pixel value of the image (from …

Teaching Kids Programming: Videos on Data Structures and Algorithms Given the root of a binary tree, return the leftmost value in the last row of the tree. Find Bottom …

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 …