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有地方提交吗?

Posted by chaeyeon at 2009-11-09 21:05:39
In Reply To:哈尔滨的C怎么做的？ Posted by:Zeor at 2009-11-09 16:11:02 
> 窃以为枚举任意两个圆的切线 然后再枚举一下相交就可以了吧。。。。。。。。
> 
> 大牛表鄙视我
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