Teaching Kids Programming: Videos on Data Structures and Algorithms Given a binary tree root, return the maximum sum of a subtree. A subtree is defined to be some node …
Teaching Kids Programming: Videos on Data Structures and Algorithms Given a directed graph represented as an adjacency list, return its reverse so if an edge goes from A to …
Teaching Kids Programming: Videos on Data Structures and Algorithms You are given a list of integers heights representing building heights. A building heights can see the ocean if every …
Teaching Kids Programming: Videos on Data Structures and Algorithms Given a number n, return a list of all prime numbers smaller than or equal to n in ascending order. …
Teaching Kids Programming: Videos on Data Structures and Algorithms Spreadsheets often use this alphabetical encoding for its columns: “A”, “B”, “C”, …, “AA”, “AB”, “AC”, …, “ZZ”, “AAA”, “AAB”, …