DIY: Alien Dictionary
Explore how to implement a function that determines the order of unique letters in an alien language dictionary using lexicographical sorting rules. Learn to create an algorithm that returns the correct letter sequence or an empty string if no valid solution exists. This lesson helps build problem-solving skills applicable in coding interviews.
We'll cover the following...
We'll cover the following...
Problem statement
In this coding exercise, you are given a list of words written in an alien language, where the strings in the words are sorted lexicographically by the rules of this language. Surprisingly, the aliens also use English lowercase letters, but possibly in a different order. ...