UVA11576 Scrolling Sign

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=27&page=show_problem&problem=2623 [PDF](https://uva.onlinejudge.org/external/115/p11576.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11576/44b6d9a435cc7060af9207a22c75987649597ff2.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11576/b2bb2fec4d223c423218413eb39070ea58fc3028.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11576/3f9b799de8ca6a68793ac105c9fc9033126bdba4.png)