UVA11791 Looking for a Good Plot

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=117&page=show_problem&problem=2891 [PDF](https://uva.onlinejudge.org/external/117/p11791.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11791/d75dcd9f172b05ed11a01bef0e44c6f4b21f4869.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11791/f25f5836f1e962e8616757e995912c05e18abd9a.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11791/5d084b1c91bd25ef3293bb5251b4cdd5a3d620ed.png)