UVA12490 Integral

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=279&page=show_problem&problem=3934 [PDF](https://uva.onlinejudge.org/external/124/p12490.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12490/4042fc0b542eec4cdeeb609c43b0f5bfc1524a23.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12490/d99c3abb1d9731e14f0f27df77a8490ede36d7e0.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12490/a1f97c0832185f7fa6a5eeb3e644e6b0a399ae9d.png)