UVA10350 Liftless EME

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=15&page=show_problem&problem=1291 [PDF](https://uva.onlinejudge.org/external/103/p10350.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10350/a7c3eedd65a43cba9802bbc8210e3fc0923c5eee.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10350/0e777861d639b9bc62b8ab195be57567f346553c.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10350/84105e196cb070738ba75c0ac95ed4744c3c5786.png)