UVA11921 Save the Princess

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=229&page=show_problem&problem=3072 [PDF](https://uva.onlinejudge.org/external/119/p11921.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11921/e3cc710e825af595dd456c523560f4e639a063bd.png)

Input Format

N/A

Output Format

N/A