UVA12395 Regular Convex Polygon

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=278&page=show_problem&problem=3817 [PDF](https://uva.onlinejudge.org/external/123/p12395.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12395/c7713bf5a322e22b828b7b3d85ed2d15e6c4ea44.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12395/08372493d03612c2ab6732a2e211e084ea975c9c.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12395/e22b52eefd0e038776072838491abd7a6ff8d815.png)