Finding the Second Largest Digit in a String
Given an alphanumeric string s, return the second largest numerical digit that appears in s, or -1 if it does not exist. An alphanumeric string is a string consisting …
Teaching Kids Programming – Breadth First Search Algorithm to Find the Only Child in Binary Tree
Teaching Kids Programming: Videos on Data Structures and Algorithms Given a binary tree root, return the number of nodes that are an only child. A node x is an …
Counting the Number of Different Integers in a String
You are given a string word that consists of digits and lowercase English letters. You will replace every non-digit character with a space. For example, “a123bc34d8ef34″ will become ” …
Teaching Kids Programming – Algorithms to Find Center of Star Graph
Teaching Kids Programming: Videos on Data Structures and Algorithms There is an undirected star graph consisting of n nodes labeled from 1 to n. A star graph is a …
AWS Storage Gateway vs Amazon FSx for Windows File Server
Which will be a better solution for a company running business applications on premises to copy generated files to AWS storage on a daily basis? existing resources include SMB …
Teaching Kids Programming – Palindrome Count Algorithm
Teaching Kids Programming: Videos on Data Structures and Algorithms You are given a string s and an integer k. Return the number of palindromes you can construct of length …