| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 557 | DEMC116 DE-MC-116 事件窗口[60,120]含两端,事件时刻59、60、90、120、121,计入数为? | 0 / 0 | 5 | |
| 637 | DEMC196 DE-MC-196 窗口[10,20)左闭右开,时刻9、10、19、20、21计入多少条? | 0 / 0 | 5 |
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