UVA10906 Strange Integration

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=21&page=show_problem&problem=1847 [PDF](https://uva.onlinejudge.org/external/109/p10906.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10906/275822450460213670d0d82c2c8989041af1c206.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10906/2b8e718c4c894766454ce48657721fd1b52f6f56.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10906/4ee160656e4c921c85298772a6d74621fba67b7d.png)