UVA13150 National Bomb Defusing Squad

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=871&page=show_problem&problem=5072 [PDF](https://uva.onlinejudge.org/external/131/p13150.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13150/ff8d6facdc9aa2fd406b880cde39255e12efec21.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13150/11813028ba2f08e2ea2dd2dc33969448ce6b71c3.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13150/6ac90737e7a3861855b71ff835a0b4f8a9aac269.png)