| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 584 | CSP201809E 线性递推式 | 2 / 38 | 10 | |
| 53 | THU20211C Combine | 6 / 24 | 7 | |
| 211 | THU20223A2 总 k 次方差 - Hard Ver. | 5 / 25 | 5 |
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