| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 2103 | A208 成绩排序 | 44 / 169 | 3 | |
| 2108 | A209 病人排队 | 36 / 107 | 3 | |
| 3079 | A210 作业统计 | 41 / 66 | 4 | |
| 2498 | A212 统计成绩 | 30 / 49 | 3 | |
| 1435 | HM054 旗鼓相当的对手 | 23 / 56 | 5 | |
| 3982 | HM055 培训 | 26 / 44 | 4 | |
| 389 | NOIPJ2007A 【NOIP2007普及组】奖学金 | 44 / 124 | 4 |
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