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重心的等角共轭点。

Posted by MasterLuo at 2008-12-28 20:47:18 on Problem 3711 and last updated at 2008-12-28 20:47:45
In Reply To:要求的点是地面重心吗,怎么狂WA Posted by:z__jj at 2008-12-28 19:59:15

Followed by:

我就是求这个等角共轭点，发现计算几何的确很无语，要注意的太多了 (0) evilin 2008-12-29 10:12:01
- Re:数据很弱的... (0) MasterLuo 2008-12-29 12:01:44
Re:原来一个公式就可以搞定啊。。。 (0) Arithmetic 2008-12-29 13:14:35
- 不知道楼上的大牛用的是什么公式呀? (0) 19890121 2008-12-29 23:12:10

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