DIY: Letter Combinations of a Phone Number
Explore how to generate all letter combinations that a phone number digit string can represent using Elixir. This lesson helps you implement a function to map digits to corresponding letters, improving your coding interview skills by solving a practical problem.
We'll cover the following...
We'll cover the following...
Problem statement
Given a string containing digits from 2–9 inclusive, return all the possible letter combinations that the number could represent. Return the answer in any ...