UVA12373 Pair of Touching Circles

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=278&page=show_problem&problem=3795 [PDF](https://uva.onlinejudge.org/external/123/p12373.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12373/35ddafd86a6ef09320674451da67ae56ebbce11c.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12373/d513476512e412c5d05b89eb6f30db466a5e7911.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12373/362953727e72844113499404c4ab2b8d75697435.png)