So if the question is changed into from 1 -98, I cannot see the

來源: jinjing 於 2010-09-08 11:20:45 [] [舊帖] [給我悄悄話] 閱讀數 : (284 bytes)

For H-path,It is very hard to verify no solution.1-10,no solution,very simple case,as
there are solitary points...,for 1-98 each point has 2-4 degrees,maybe there are H-paths or not.There is key point,we should begin from lowest degree points to next lower degree points...,try...

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