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对前面discuss的总结

Posted by 2008022118 at 2010-03-26 17:05:49 on Problem 2826
前面所谓的挡住口子,我在前面已经用符号画了图,就是那种情况,不过还要看你怎么判断了,开始的判断写的太简单的,显然wa。
如果所有情况你都考虑了,还是wa,那么就按前面说的,在输出结果+eps吧,我就是这样的,加个eps就过了。
我的eps = 1e-8

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