| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 300 | A7P1433 吃奶酪 | 1 / 42 | 10 | |
| 259 | P51P1481 魔族密码 | 12 / 20 | 6 | |
| 379 | P1435 [IOI2000] 回文字串 | 1 / 1 | 10 | |
| 391 | P2014 [CTSC1997] 选课 | 14 / 48 | 6 | |
| 380 | P3205 [HNOI2010] 合唱队 | 12 / 43 | 7 | |
| 384 | P4342 [IOI1998] Polygon | 5 / 23 | 8 | 
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