UVA12864 Knights of the Round Table

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=861&page=show_problem&problem=4729 [PDF](https://uva.onlinejudge.org/external/128/p12864.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12864/1f8ea01a95cc2461d76f0ed3412070c69aa62cbc.png)

Input Format

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Output Format

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