UVA11887 Tetrahedrons and Spheres

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=226&page=show_problem&problem=3009 [PDF](https://uva.onlinejudge.org/external/118/p11887.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11887/96850fcc737c94aa84568f6345e9f35d017f33a8.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11887/e9d1199751c8d1d77c26f5184a34744c2d0d7339.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11887/38dabf43622c219ad9849387babb13586216174b.png)