Happy Number, is a LeetCode problem. In this post we will see how we can solve this challenge in C++

Problem Description

Write an algorithm to determine if a number is "happy".

A happy number is a number defined by the following process: Starting with any positive integer, replace the number by the sum of the squares of its digits, and repeat the process until the number equals 1 (where it will stay), or it loops endlessly in a cycle which does not include 1. Those numbers for which this process ends in 1 are happy ....

You can find the full details of the problem Happy Number at LeetCode

Solution: Please check the main.cpp snippet for the solution.

This solution originally posted at: Github by @kamyu104