UVA12520 方形花园 Square Garden

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=441&page=show_problem&problem=3965 [PDF](https://uva.onlinejudge.org/external/125/p12520.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12520/e01e1a42a0e8142af984c397ca23ee4d90c2c621.png)

Input Format

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Output Format

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