UVA12986 The Battle of Guandu

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=862&page=show_problem&problem=4869 [PDF](https://uva.onlinejudge.org/external/129/p12986.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12986/ef1b4c9fd51f07bde0a604e5edc04597a711f151.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12986/9100eb1c21abc963aceb8f64a113864141047655.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12986/05e4f217e51b2be98f2b2f8016d955ce6f8d02b2.png)