https://prod.liveshare.vsengsaas.visualstudio.com/join?AE94B1A8A6FD79B7BE943C6F1D5583BB3982
Link to source with algorithm and library that might be useful. http://www.routino.org/documentation/
Algorithm for longest route between two points on a graph (no looping) https://www.geeksforgeeks.org/longest-path-between-any-pair-of-vertices/
The Graph and Queue classes were implemented by the Spring 2018 Comp 15 staff. Thanks guys!