UVA12867 Mesh Cutter

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=861&page=show_problem&problem=4732 [PDF](https://uva.onlinejudge.org/external/128/p12867.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12867/7ffa33c5b61fba16f188b9151e13d95bf3dd4ff5.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12867/3bf373476b1f3ce9da0ca6b587035b8a9b4b5883.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12867/f0ca8bcaf648f1218d88992a02f6d54534abf6cb.png)