@[离散小波变换°](/user/68344)
by SqrtFirst @ 2023-08-17 14:52:44
@[览遍千秋](/user/28910)
by SqrtFirst @ 2023-08-17 14:53:39
@[小粉兔](/user/10703)
by SqrtFirst @ 2023-08-17 14:53:53
@[SqrtFirst](/user/764102) <https://www.luogu.com.cn/problem/P5019>
by 035966_L3 @ 2023-08-17 14:58:01
楼上正确的，18年的道路铺设原题就是13年的积木大赛捏
by xiaoyuchenp @ 2023-08-17 15:08:24
@[SqrtFirst](/user/764102) 已修改，感谢您的贡献
by 离散小波变换° @ 2023-08-17 16:49:33