$n!$ 硬算,不炸才怪。
by BugGod @ 2023-11-06 19:26:59
@[sdcjdxzqh1](/user/1091827) 硬算...
建议换个方法,这方法炸了
by ToastBread @ 2023-11-06 19:28:42
@[sdcjdxzqh1](/user/1091827) 注意 $O(n!\cdot n)$ 能不能过。
by zhaohanwen @ 2023-11-06 19:28:56
@[BugGod](/user/541254) @[ToastBread](/user/545809) @[zhaohanwen](/user/767660) 谢谢
by sdufezqh @ 2023-11-06 19:32:24