I found this: https://www.geeksforgeeks.org/topological-sorting/ https://www.geeksforgeeks.org/topological-sorting/ very helpful when I was trying to figure out

I found this: https://www.geeksforgeeks.org/topological-sorting/ https://www.geeksforgeeks.org/topological-sorting/ very helpful when I was trying to figure out how to solve a toy spreadsheet I was working on. Includes a couple alternative implementations in a variety of languages.