UVA992 Customer Service Cost Evaluation

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=11&page=show_problem&problem=933 [PDF](https://uva.onlinejudge.org/external/9/p992.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA992/1449ce84c0fff9c2fe8a6281790bb9cd58a286c4.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA992/97415360ee8c3245c0d05211e2569ad0d97722c1.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA992/ace1cfcbf7e7a208f40ff8ffe77c0bfec37fa148.png)