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

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Output Format

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