| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 549 | DEMC108 DE-MC-108 客户表5客户,订单涉及其中3客户,按客户粒度找未下单客户数为? | 0 / 0 | 2 | |
| 629 | DEMC188 DE-MC-188 客户8人,有效订单只涉及5个不同客户,未下单人数? | 0 / 0 | 2 |
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