UVA903 Spiral of Numbers

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=11&page=show_problem&problem=844 [PDF](https://uva.onlinejudge.org/external/9/p903.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA903/7adfd7307238740babb5d85838d773cc9fc392c2.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA903/611651cf2df53b39531eaeb942e79b231561779a.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA903/46512da90101fec6085c9901cb1ff501b5ee4b4e.png)