This document discusses an approach to solving the FizzBuzz coding challenge in Ruby using complex numbers. It presents a one-line Ruby code that evaluates to an array mapping each number from 1 to 100 to either "Fizz", "Buzz", "FizzBuzz", or the number itself. This is done by taking the argument of the complex number (n%3)i - (n%5), which returns the appropriate string depending on whether n is d