UVA10600 ACM Contest and Blackout

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=18&page=show_problem&problem=1541 [PDF](https://uva.onlinejudge.org/external/106/p10600.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10600/48481404a7b3f81dccbd5feb77a8dfbaff266477.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10600/20463ee6c260b6122e0fb359137cb747259bf295.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10600/694aafbbaca63beb5858afc61f4299804e161093.png)