Many Paths, Many Costs

Alice and Bob are visiting Byteland. They are observing the map of this country. Surprisingly, the map of Byteland forms a tree. A tree is a connected graph without cycles. After finding this out, Alice has fixed the starting and ending city of her journey. But Bob is super confused and can’t fix his route.


This is a companion discussion topic for the original entry at https://toph.co/p/many-paths-many-costs