UVA12171 雕塑 Sculpture

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=243&page=show_problem&problem=3323 [PDF](https://uva.onlinejudge.org/external/121/p12171.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12171/978f31007b2d2710615f089e658f2a312338d9e3.png)

Input Format

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Output Format

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