| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 490 | DEMC049 DE-MC-049 订单去重规则是“同一订单号保留更新时间最新的一条”,正确的处理顺序是? | 0 / 0 | 5 | |
| 570 | DEMC129 DE-MC-129 同一设备同一分钟有多条采样,规则要求保留最新采样;如果更新时间相同,排序应再加什么? | 0 / 0 | 5 |
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