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这题数据分明就是错的。害我WA了这么久。我跟cqf的程序对拍之后发现,如果对于相切的情况,要统计面积为0的区域。这个显然不符合平常的看法!例如这个数据: 3 0 0 1 4 1 0 2 4 2 0 3 4 输出4就WA到死 输出5才能过。 Followed by:
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