UVA12396 Remoteland

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=278&page=show_problem&problem=3818 [PDF](https://uva.onlinejudge.org/external/123/p12396.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12396/a443963d10bcb967cdf5c68c26dd124a18a3e9d9.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12396/07b05d778f0beb5542111dcd768bea1bbd521551.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12396/2c779bf749a480897209220c81557535495645d6.png)