UVA10607 Siege

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=18&page=show_problem&problem=1548 [PDF](https://uva.onlinejudge.org/external/106/p10607.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10607/e8f127c06bb95a9006ef902d8417b24c14564769.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10607/c2ffe4453086cd1d4102ad9ef28aa0c6bae225cb.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10607/6b8bc6a35f341f696dc6aecfe9f5e193b55e43d1.png)