You are currently in legacy mode. Some additional features will be unavailable. We strongly recommend switching to standard mode on a modern browser. Standard mode Hidden
| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 6191 | luoguP3774 [CTSC2017] 最长上升子序列 | 0 / 0 | 9 | |
| 8232 | luoguP4484 [BJWC2018] 最长上升子序列 | 0 / 0 | 8 | |
| 13164 | luoguP9073 [WC/CTS2023] 楼梯 | 0 / 0 | 9 |
By signing up a Hydro universal account, you can submit code and join discussions in all online judging services provided by us.