| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 551 | DEMC110 DE-MC-110 1000行有20条重复冗余,按去重后数/原数定义唯一率为? | 0 / 0 | 8 | |
| 631 | DEMC190 DE-MC-190 500行去重后保留475,定义唯一率为保留/原始,结果? | 0 / 0 | 8 |
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