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四叉树+扫描吧仿照平面求矩形并，这是空间求长方体并，用扫描面去扫，用四叉树维护截面的矩形面积并。 注意输入时先用大长方体截小长方体，截完后判断是否剩余，不剩余了就直接扔掉可以了。 Followed by: Post your reply here: |
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