~~SP常态~~
by Textbook_blasphemy @ 2021-02-02 20:12:32
[QAQ](https://www.luogu.com.cn/record/45783405)
by Textbook_blasphemy @ 2021-02-02 20:14:36
@[qsceszthn](/user/221729) 可以交啊…… $\text{Waiting}$ 太长可能是挂了，再交一遍就行了。
by 囧仙 @ 2021-02-03 08:16:41