UVA10178 Count the Faces.

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=13&page=show_problem&problem=1119 [PDF](https://uva.onlinejudge.org/external/101/p10178.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10178/4b30649afbde676cf20435f10ef8ae65635a2ea2.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10178/6847d9018b0103ecbb9722676805b95e6e4a3302.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10178/837a37fac9e8566b7caf1ed13e2e0cad629ab667.png)