UVA13281 Bermuda Polygon

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=878&page=show_problem&problem=5205 [PDF](https://uva.onlinejudge.org/external/132/p13281.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13281/15cb56e5d3d356f098d1498de1c04fa593ec3d77.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13281/ee932653954810930d432579f42247e00509f48c.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13281/1c5b59521051e3c6b700cbccffbe3c8d80a7a276.png)