UVA10209 Is This Integration ?

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=14&page=show_problem&problem=1150 [PDF](https://uva.onlinejudge.org/external/102/p10209.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10209/3a2f563ffd3d7aac1ae90790018181c85fb4dcc7.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10209/65e1397dbd84c4f87f3e0ef9d57a74c80e2855c9.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10209/17ae57d5d65e4a884dcce367de083d66f3b998bd.png)