UVA453 Intersecting Circles

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=6&page=show_problem&problem=394 [PDF](https://uva.onlinejudge.org/external/4/p453.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA453/984cf5870a3673de72a6c2609eabae1f0d444241.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA453/4f86088e6d29db3ac8060db51b7d14086acb088c.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA453/ceb73f7a38ebe14917835709a288e397b1e9ba29.png)