作者mqazz1 (無法顯示)
看板Math
標題[圖論] degree
時間Sun Aug 28 21:33:43 2011
Let G be a loop-free undirected graph on n (>=3) vertices
If G has only one vertex of even degree,
_
how many vertices in G have even degree
請問這題怎麼解?
謝謝
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推 arthurduh1 :由所有頂點的deg和必須是偶數解出n之奇偶性 08/28 22:07
→ arthurduh1 :接著就簡單了 08/28 22:07