UVA11338 Minefield

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=25&page=show_problem&problem=2313 [PDF](https://uva.onlinejudge.org/external/113/p11338.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11338/ee79f6c709fcea147d068d423403bc1d084b11e6.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11338/c15a0dbfa73cf0d9b126c6f4bb9b29eee919a380.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11338/efb28adfab330ecbb21d017253e19886a880903b.png)