UVA12808 Banning Balconing

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=861&page=show_problem&problem=4673 [PDF](https://uva.onlinejudge.org/external/128/p12808.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12808/3c58e330e2923ab8515fe76651d74da7159ed2ac.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12808/fda89fb9628521b2c5091cd0ed31113726feec6d.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12808/fad4bd5888e884f3181d60253cc17995c881d805.png)