UVA11391 Blobs in the Board

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=25&page=show_problem&problem=2386 [PDF](https://uva.onlinejudge.org/external/113/p11391.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11391/ddfa7dddb28e98dbb4d9578883d8ed5e3867f248.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11391/b5622168874335ee134bb81e5182eea990d9425e.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11391/566a0a4ddd0fc6c6ad719027b7a8b998221203f8.png)