UVA11831 Sticker Collector Robot

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=226&page=show_problem&problem=2931 [PDF](https://uva.onlinejudge.org/external/118/p11831.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11831/8edaed4308b002da5b9f6b4490e2b7c7d40f8f55.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11831/60254ca68f74cf7fbac49b4c7a20b30682ceffdd.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11831/14355766af22c76595e29634b70639c0160ff9ed.png)