1)同构法,6人园坐,A)邻不打,...60种.B)邻打对角打60种.120种.
2)图论法,A)有两三角型:C(6,3)/2*(3!)=60 (同1)A)
B)无3角形,一定有4边形,C(6,4)*4=60 (同1)B)
120种.
1)同构法,6人园坐,A)邻不打,...60种.B)邻打对角打60种.120种.
2)图论法,A)有两三角型:C(6,3)/2*(3!)=60 (同1)A)
B)无3角形,一定有4边形,C(6,4)*4=60 (同1)B)
120种.
•
Result from programming:
-万斤油-
♂
(17196 bytes)
()
05/14/2012 postreply
11:42:05
•
No cheating ...
-slowguy-
♂
(0 bytes)
()
05/14/2012 postreply
11:52:24
•
programming should be following Math. I'll put some cases you lo
-jinjing-
♀
(0 bytes)
()
05/14/2012 postreply
15:10:44
•
回复:programming should be following Math. I'll put some cases you
-万斤油-
♂
(285 bytes)
()
05/14/2012 postreply
15:41:59
•
正确。
-一山人-
♂
(0 bytes)
()
11/15/2012 postreply
20:00:20
•
这个要顶一下。不知您是用C++,JAVA之类的还是用EXCEL。。。
-wxcfan123-
♂
(0 bytes)
()
05/14/2012 postreply
16:08:51
•
SAS
-万斤油-
♂
(0 bytes)
()
05/14/2012 postreply
16:12:41
•
若题目改为7人,其他不变,结果为0吧!可是用你的方法得不出0。
-万斤油-
♂
(0 bytes)
()
05/14/2012 postreply
17:00:06
•
0.种无图.您用java,c++check again.CP sometime is ...
-jinjing-
♀
(0 bytes)
()
05/14/2012 postreply
17:40:17
•
7人每人打3场,想一下就得出0,无需编程。
-万斤油-
♂
(79 bytes)
()
05/14/2012 postreply
17:51:26
•
金老师,您这里重复的例子很容易找呀。.
-wxcfan123-
♂
(92 bytes)
()
05/14/2012 postreply
18:21:06
•
您仔细画一下,RULE B中只有10种不同的。
-wxcfan123-
♂
(0 bytes)
()
05/14/2012 postreply
18:25:00
•
thx. very sad. all together 6 for 1.so only 10. I'm wrong.70 is
-jinjing-
♀
(0 bytes)
()
05/14/2012 postreply
20:34:00
•
太自信的老顽固.错的概率就大.
-jinjing-
♀
(0 bytes)
()
05/16/2012 postreply
15:09:21
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