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

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12171/bd21890633b7beb14053511b7c8f867e16452d62.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12171/0523230c6b891030a21b548b9f8f3102cdeea20e.png)