UVA11978 Fukushima Nuclear Blast

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=229&page=show_problem&problem=3129 [PDF](https://uva.onlinejudge.org/external/119/p11978.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11978/45878a5a421c81fe50fc19a6b8ab6da75a5c6072.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11978/eca74ea87124843716ae6258da7d74f5e8457ee6.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11978/e360db3efe5a67cd489213a3e4f87c20378facfc.png)