UVA11054 Gergovia的酒交易 Wine trading in Gergovia

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=22&page=show_problem&problem=1995 [PDF](https://uva.onlinejudge.org/external/110/p11054.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11054/ced1606866ddabe301a52d0310f9433bc4587f7e.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11054/26ec5db5cf20e0de0ecadbcd24f88389305b92a4.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11054/178f45e194980c55bc177e289c65e48b01d9fea5.png)