Sounds like an application of a connected directed weighted graph - one, or more, of the various graph theory related modules may be your friend ... along with a judicious coating of combinatorics/graph theory (allowing you to discern the best module(s) for your use).

A user level that continues to overstate my experience :-))

In reply to Re: Not Quite Longest Path Problem by Bloodnok
in thread Not Quite Longest Path Problem by Limbic~Region

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