UVA12093 保卫Zonk Protecting Zonk

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=242&page=show_problem&problem=3245 [PDF](https://uva.onlinejudge.org/external/120/p12093.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12093/415e9dd659e3ba0eddc6bf7e23e2012d613aa682.png)

Input Format

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Output Format

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