Teaching Kids Programming: Videos on Data Structures and Algorithms A string is good if there are no repeated characters. Given a string s, return the number of good substrings …
Teaching Kids Programming: Videos on Data Structures and Algorithms You are given a list of closed intervals l0 and another list of intervals l1. Individually, each list is non-overlapping …
Given the root node of a binary search tree (BST) and a value to be inserted into the tree, insert the value into the BST. Return the root node …
Teaching Kids Programming: Videos on Data Structures and Algorithms The letter value of a letter is its position in the alphabet starting from 0 (i.e. ‘a’ -> 0, ‘b’ …
There is a function signFunc(x) that returns: 1 if x is positive. -1 if x is negative. 0 if x is equal to 0. You are given an integer …
Teaching Kids Programming: Videos on Data Structures and Algorithms Given the root node of a binary search tree (BST) and a value to be inserted into the tree, insert …