UVA12905 Volume of Revolution

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=862&page=show_problem&problem=4770 [PDF](https://uva.onlinejudge.org/external/129/p12905.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12905/19ad8cffc45b480abf80d296127a89ccd7be38cf.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12905/e77a2fc82cc8d8590e150ac06576ece2ec5f4dfa.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12905/ec6d1c80f08a8bd6bc1e121effd0c3b0de7aacf3.png)