UVA13120 Radiation Alert in Rabbitland

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=871&page=show_problem&problem=5031 [PDF](https://uva.onlinejudge.org/external/131/p13120.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13120/6c77ca94ffa3d96724ea74f27374dd781824af23.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13120/b3808414239505692d6b4d3b93619202292eb0c4.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13120/7b8a74d5791f9891a9782f64aed61ed45d883dca.png)