UVA609 Metal Cutting

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=8&page=show_problem&problem=550 [PDF](https://uva.onlinejudge.org/external/6/p609.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA609/707cb4c0b72d35bb12917d7e492f02f2d9820506.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA609/4ebe6357c750bc8fee2395ab02cbc07dca12e944.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA609/0fc71dc029697598f792be3eaf28922390c7da1f.png)