UVA12067 Guinea Rats

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=242&page=show_problem&problem=3219 [PDF](https://uva.onlinejudge.org/external/120/p12067.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12067/2e7750a8fae0120f48721c5637f8e96e9c453cbf.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12067/3007c05815094c7be97208943a4cff4959011de4.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12067/867a1d6520dd4cba50e8e3649ea47d5dfa3f87d4.png)