UVA12738 Explore the Dune

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=823&page=show_problem&problem=4591 [PDF](https://uva.onlinejudge.org/external/127/p12738.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12738/9eee8484294386604098d38974ae2f7c1e3c3bb7.png)

Input Format

N/A

Output Format

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