每个合理分组对应于一个六个顶点每个顶点度数为2的简单无向图(两人不打则连线)。这样的图一共70个。
(1)只有一个连通分支,共6!/6/2=60(除2是因为无向)
(2)两个分支,共 C(5,2)=10
每个合理分组对应于一个六个顶点每个顶点度数为2的简单无向图(两人不打则连线)。这样的图一共70个。
(1)只有一个连通分支,共6!/6/2=60(除2是因为无向)
(2)两个分支,共 C(5,2)=10
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2025 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy