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NEALZANE大牛你是怎么过的啊

Posted by uni at 2005-01-19 23:41:33 on Problem 2150
这题有啥玄机吗,为啥我死活就是个WRONG呢.
我水平线是这么考虑的,穿入是0.5个面积,穿出是0.5个面积,穿过算1个.
这题除了水平线段以外还有啥玄机吗?


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