Teaching Kids Programming: Videos on Data Structures and Algorithms Mathematically, the Fibonacci Numbers are: Fibonacci Number – Recursion def f(n): if n == 0: return 0 if n == …
Given a string s , find the length of the longest substring t that contains at most 2 distinct characters. Example 1: Input: “eceba” Output: 3 Explanation: t is …
Teaching Kids Programming: Videos on Data Structures and Algorithms Linear Search Algorithm to Find Square Root Taking sqrt(n) for example, the linear search (a kind of a bruteforce search …
Given a list of integers nums, return whether it represents a max heap. That is, for every i we have that: nums ≥ nums if 2*i + 1 is …
Teaching Kids Programming: Videos on Data Structures and Algorithms The factorial function f(n) implemented in Python using Recursion: def f(n): if n == 1: return 1 return n * …
Given a binary tree root, count and return the number of nodes where its value is greater than or equal to the values of all of its descendants. For …