已解决，求 `nxt` 时顺序问题，将`1>>k-1` 改为 `1>>N-k` 即可
by MoyunAllgorithm @ 2023-04-29 16:48:00
orz
by Ranger_HoFr @ 2023-04-29 16:48:30
@[Jocker_CW](/user/455490) CW AK IOI!!!!
by MoyunAllgorithm @ 2023-04-29 16:49:49
wzr AK!!!
by caizhetong @ 2023-04-29 16:57:36
@[caizhetong](/user/577987) Tsaizhetorg AK
by MoyunAllgorithm @ 2023-05-11 20:59:24