Problem 🤔 Given an array where elements are sorted in ascending order, convert it to a height…

Intro The two main approaches to recursion is top down and bottom up. Usually we'll use one of the…

Problem 🤔 The Fibonacci numbers, commonly denoted F(n) form a sequence, called the Fibonacci…

Problem 🤔 You are climbing a staircase. It takes n steps to reach the top. Each time you can…

Problem 🤔 Write a function that reverses a string. The input string is given as an array of…

Challenge 🤔 Given preorder and inorder traversal of a tree, construct the binary tree. Note You may…