UVA12818 Arc and Point

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=861&page=show_problem&problem=4683 [PDF](https://uva.onlinejudge.org/external/128/p12818.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12818/34b3de7484bd64e3f497c2557bf7e89ef77b0460.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12818/606ecc22f28dc5327a4c41f11b1b9e628ec51c29.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12818/34dd4474537ad1c74ed7d220369ee493f6908953.png)