UVA11674 In-Ellipse

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=78&page=show_problem&problem=2721 [PDF](https://uva.onlinejudge.org/external/116/p11674.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11674/65ab2e1890afd89996be731cee80c47ca1996861.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11674/336beea6525aaff6c91d19b86bcfc01b19f1b025.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11674/987ce42cd21fa576fb4bd5d47b04789213bf8a9f.png)