Question prompt: Happy Number Write an algorithm to determine if a number n is "happy". A happy number is a number defined by the...

Single Number Given a non-empty array of integers, every element appears twice except for one. Find that single one. Note: Your algorithm...

Last time I said the next post would be about the binary search algorithm. Here it is. I will only include the iterative solution first...

Today I looked up some information on the time complexity of a program, usually represented using the Big O notation. This shows how much...

Hey, it's me. For the second time. What better time there is to talk about some problems I have been working on? Recently I am writing...