| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 553 | DEMC112 DE-MC-112 100条中缺失10条、非法20条且二者不重叠,有效率为? | 0 / 0 | 2 | |
| 633 | DEMC192 DE-MC-192 200条中缺失30、非法20且重叠10条,合格条数占比? | 0 / 0 | 2 |
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