Category: algorithms
Teaching Kids Programming: Videos on Data Structures and Algorithms Given a binary tree root, return the maximum width of any level in the tree. The width of a level …
Teaching Kids Programming: Videos on Data Structures and Algorithms Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses. Example 1: Input: n = …
Trie aka Prefix Tree is a data structure helps to search a word or prefix in a list of strings. The following declars the struct (class) type of Trie …
Teaching Kids Programming: Videos on Data Structures and Algorithms Given the root of a binary tree, return the inorder traversal of its nodes’ values. Example 1: Input: root = …
Teaching Kids Programming: Videos on Data Structures and Algorithms Given a two-dimensional integer matrix of 1s and 0s, return the number of “islands” in the matrix. A 1 represents …