| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 709 | P709 Train and Queries ( 訓練和查詢 ) | 0 / 0 | (None) | |
| 787 | P787 Kefa and First Steps ( Kefa 的第一步 ) | 0 / 0 | (None) | |
| 944 | P944 不要問爲什麽高射炮會放平 | 0 / 0 | (None) | |
| 1013 | P1013 背包問題 | 1 / 4 | 10 |
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