| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 729 | P729 地铁修建 | 0 / 0 | 2 | |
| 834 | P834 Quadrant Selection | 0 / 0 | (None) | |
| 835 | P835 Shifty Sum | 0 / 0 | (None) | |
| 839 | P839 Exactly Electrical | 0 / 0 | (None) | |
| 892 | P892 Favourite Times | 0 / 0 | (None) |
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