UVA11178 Morley's Theorem

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=23&page=show_problem&problem=2119 [PDF](https://uva.onlinejudge.org/external/111/p11178.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11178/e9114deb750af3366df2fb3d88a1ea17db559fc4.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11178/c0a3f93df66a9ac651f58026a2b9f2f427b4c0ea.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11178/88f6acc7baa3f4c25747baa05801d66bba8287a6.png)