UVA10687 Monitoring the Amazon

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=18&page=show_problem&problem=1628 [PDF](https://uva.onlinejudge.org/external/106/p10687.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10687/b32d7978a7d3dd0f780b432af75abc680c4669fb.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10687/82ee8e78247d90c2bd9691c8b209e87720d386c9.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10687/3487d9b123cb2c5a2207a4a54127dd850f01742a.png)