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Oxbridges of Konigsberg - shadows of echoes of memories of songs — LiveJournal
Oxbridges of Konigsberg
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imc From: imc Date: February 11th, 2009 10:50 pm (UTC) (Link)
I was about to mention that this problem sounds a lot like the TSP. It is of course NP complete.

To get from the Oxford Colleges problem to the TSP, one merely needs to draw a map of Oxford annotated with cycling times for each section of road/path and apply the all-pairs shortest path algorithm (which is comparatively trivial).
Read 35 | Write