UVA11200 Sapitaur's labyrinth

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=24&page=show_problem&problem=2141 [PDF](https://uva.onlinejudge.org/external/112/p11200.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11200/6cf90b6b7a2c92c888ba09d69a35cf14d37e98b2.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11200/5af4899bfca735de92f2456b1b49acc9347528af.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11200/fd31e03ef9a59b94e4923e802550182613250e92.png)