UVA728 Scatter Point Plot

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=9&page=show_problem&problem=669 [PDF](https://uva.onlinejudge.org/external/7/p728.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA728/dd358bbc9255048709d0fe439e2bac28400742d9.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA728/241f1eec6c7a4421d9904a3b5dd6ae582a848070.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA728/bc90b2052c23a803de96f7fc8c433d0a03111ff5.png)