UVA190 Circle Through Three Points

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=3&page=show_problem&problem=126 [PDF](https://uva.onlinejudge.org/external/1/p190.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA190/09bd4f7fcc9c416b478903e53c0bcc4daa7b4bca.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA190/b649226d10b9093e8274274b8b089596d905e823.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA190/52cf8b152eeff27ae59e86bf556d1624e2333aea.png)