Codewars: Find the unique number 👨💻
Date: February 24, 2020
A while ago, I signed up at https://www.codewars.com/ to practice both my PHP and JS skills. I decided to publish my results and to compare them with the best practice solution if found, thus, here we go.
- Given an array with at least three numbers.
- All numbers are equal except one.
- Find the unique numer.