UVA12909 Numeric Center

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=862&page=show_problem&problem=4774 [PDF](https://uva.onlinejudge.org/external/129/p12909.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12909/3be320a318225bd5a051f9fdea9d4ec17866b987.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12909/8603b46cded0333e85e2a64c22b989897b4ee44c.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12909/b3ee1de8aff9bd06ecca8930a457ba0fbbff8099.png)