UVA11741 Ignore the Blocks

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=117&page=show_problem&problem=2841 [PDF](https://uva.onlinejudge.org/external/117/p11741.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11741/1eaff3ea72a99c305db712cb0a5aa882c423f982.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11741/24ac850578bd9eaa29056e08e0e674a365830f40.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11741/25a9e743cfb4bb5286c4c649201c4e64c5ea9d7d.png)