UVA11940 Face the Maze

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=229&page=show_problem&problem=3091 [PDF](https://uva.onlinejudge.org/external/119/p11940.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11940/4e38c2b8dce974b6fc73347c87acb0a0cfcc426c.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11940/032359718c4aab79cbd6bd6407807805e43d0f9b.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11940/53f9cfea629d507ec90989fe86dfaa041c948e8a.png)