[USACO17DEC]Blocked Billboard

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于 2018-05-31 11:16:50 发布 · 792 阅读

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这篇博客讲述了在平面直角坐标系中，如何计算两个矩形广告牌在被第三个矩形卡车遮挡后，仍然可见部分的总面积。问题涉及到简单的二维数组处理和坐标处理，其中坐标值范围为-1000到1000，并需要注意边界条件的处理，如循环条件的设定，避免出现死循环。

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During long milking sessions, Bessie the cow likes to stare out the window of her barn at two huge rectangular billboards across the street advertising "Farmer Alex's Amazingly Appetizing Alfalfa" and "Farmer Greg's Great Grain". Pictures of these two cow feed products on the billboards look much tastier to Bessie than the grass from her farm.

One day, as Bessie is staring out the window, she is alarmed to see a huge rectangular truck parking across the street. The side of the truck has an advertise