题都没读懂……
by Cheney @ 2019-07-28 17:47:19
@[CHEN_RUI_PING](/space/show?uid=157865) 赞同
by In_blue @ 2019-08-27 15:22:58
~~合理~~
by 是真的囬气 @ 2020-01-11 19:07:57
@[Merci](/user/122822)
现在n<=9了qwq
而且next_permutation()了解一下qwq
by 冰糖鸽子 @ 2020-06-13 22:21:38