This is someone else's code which I'm trying to modify to make it not use global variable. I've been pulling my hair though unable to make this work.

I created these functions along with their relevant unit tests to help cement my understanding of recursion in JavaScript; they are built with simplicity in mind. If I were looking to improve the ...

The purpose of this strategy lecture is to help residents identify use cases for recursion in algorithm prompts. The common thread is to understand the power of Depth First Search (DFS) logic and how ...