6 lines
166 B
Plaintext
6 lines
166 B
Plaintext
P1061 Jam的计数法
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https://www.luogu.org/problem/P1061
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ACMNO.51 JAM计数法(字母顺序之间的排列问题)
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https://blog.csdn.net/weixin_42859280/article/details/89387129 |