UVA589 Pushing Boxes

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=7&page=show_problem&problem=530 [PDF](https://uva.onlinejudge.org/external/5/p589.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA589/d33446a08a4244cfb7aec9ce86c82cfa17d5eedd.png)

Input Format

N/A

Output Format

N/A