UVA13221 Elegant Pillars

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=878&page=show_problem&problem=5144 [PDF](https://uva.onlinejudge.org/external/132/p13221.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13221/6667c00259ee69fb0605d941b3eda1093945124d.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13221/6f4e48f31a174e58daae33b4a553259e99926489.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13221/1ed096148ed60357cb3f9ff84b47d283b62b92f8.png)