UVA12971 Bargaining

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=862&page=show_problem&problem=4850 [PDF](https://uva.onlinejudge.org/external/129/p12971.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12971/3c56ac9eef8dbe16589369e20e7a20ab2915624a.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12971/13d2d0231922959508a3475bec745895986a9fee.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12971/ec47b5f3e6de630182cba81577216b4ba3ad5c6b.png)