UVA12707 Block Meh

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=823&page=show_problem&problem=4445 [PDF](https://uva.onlinejudge.org/external/127/p12707.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12707/b075865532010c14f307f8467f1d34ad517445ef.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12707/884ad0a665feb4c1f967b1d2ab90ff727a9e1f53.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12707/83f5835a65e36f2650926fa5bff3e3d01578c741.png)