UVA11980 Mad Scientist

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=229&page=show_problem&problem=3131 [PDF](https://uva.onlinejudge.org/external/119/p11980.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11980/abdae9321ea91cd8e1fdb07fda4746511f19ba28.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11980/4d9d29c7b25cbdad646ec5f9193d8cd0346279e5.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11980/26648a4e1fcd4a6c5cac104fc97a5b86d44caca1.png)