UVA806 空间结构 Spatial Structures

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=10&page=show_problem&problem=747 [PDF](https://uva.onlinejudge.org/external/8/p806.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA806/e3ef9d6446b0c333e20ef6230578f05966ed537f.png)

Input Format

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Output Format

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