@[离散小波变换°](/user/68344)
by kele7 @ 2023-11-18 21:40:18
orz
by Utopianfunction @ 2023-11-18 21:59:50
https://www.luogu.com.cn/blog/SYF--WZR--love/solution-p1330 输出 `4`
by kele7 @ 2023-11-19 16:36:39
orz
by Yzx_2009 @ 2023-11-20 21:41:42