UVA10641 照亮体育馆 Barisal Stadium

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=18&page=show_problem&problem=1582 [PDF](https://uva.onlinejudge.org/external/106/p10641.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10641/58b2837360d2303c95a84bab1d6df8c47fb235bc.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10641/5cd2bab3cb1ba74e4d13ec773f43cff92e7afac9.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10641/602e678982dc7734302b9c00c4463c55516c27da.png)