UVA12558 埃及分数 Egyptian Fractions (HARD version)

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=441&page=show_problem&problem=4003 [PDF](https://uva.onlinejudge.org/external/125/p12558.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12558/2fc37ee6f550acb8454e29913ccfe23a1f41eb0d.png)

Input Format

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Output Format

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