UVA10349 Antenna Placement

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=15&page=show_problem&problem=1290 [PDF](https://uva.onlinejudge.org/external/103/p10349.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10349/80de8e84adcd49950a31dedade464beae4cccf43.png)

Input Format

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Output Format

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