UVA13202 Firefighting Heroes

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=878&page=show_problem&problem=5125 [PDF](https://uva.onlinejudge.org/external/132/p13202.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13202/00c1f73b971f8a2f4a0fac9eabf6272bec17e2f7.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13202/05e8b78a8fdf01b2aa5089f45f79e8627d09254b.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13202/ce186609e719dc655fafb1d419503172e82b7dc5.png)