UVA11303 排列 Permutations

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=25&page=show_problem&problem=2278 [PDF](https://uva.onlinejudge.org/external/113/p11303.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11303/a530113dc1995f533a83cb457994a1a325b549f8.png)

Input Format

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Output Format

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