DIY: Alien Dictionary
Understand how to extract a unique lexicographic letter order from words in an alien language. Explore solving constraints and returning the correct letter sequence or empty string, preparing you to tackle similar coding interview problems efficiently.
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. ...