UVA11953 Battleships

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=229&page=show_problem&problem=3104 [PDF](https://uva.onlinejudge.org/external/119/p11953.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11953/a1d4874df78f03402e8ab723ded08370a8343229.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11953/06db79c8945a1505c44f42fbbfa6fe5605ac15c1.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11953/7781923130015af51594bb4006ab1991875b23ed.png)