UVA10546 The Eagle's Nest

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=17&page=show_problem&problem=1487 [PDF](https://uva.onlinejudge.org/external/105/p10546.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10546/61f415e7b516a319b926c7144fffc7f8f2105d8e.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10546/51718541db71a4e78f0bc59de237bb3f0d6a445e.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10546/6a8eb817393e39dae5c8703f172ea8c833389664.png)