Yeah, precisely. BFS and DFS are part of a very small collection of algorithmic questions I consider fair game — but I would never ask them directly. Instead I'

Yeah, precisely. BFS and DFS are part of a very small collection of algorithmic questions I consider fair game — but I would never ask them directly. Instead I'm likelier to ask something like pretty printing a directory structure, so a function that prints out something like bin/ sh usr/ bin/ local/ bin/ var/ ...