UVA577 WIMP

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=7&page=show_problem&problem=518 [PDF](https://uva.onlinejudge.org/external/5/p577.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA577/0fa94f0abe78add3e5c4d4bd2098c608217b3545.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA577/ce4a5c50b2bb1fd770695dad170fdd4141ee7129.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA577/8a8004288bd5132482c0f099e2458fed22d70cf2.png)