| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 170 | P170 铺地毯(Day 1) | 0 / 0 | (None) | |
| 171 | P171 选择客栈(Day 1) | 0 / 0 | (None) | |
| 172 | P172 Mayan游戏(Day 1) | 0 / 0 | (None) | |
| 173 | P173 计算系数(Day 2) | 0 / 0 | (None) | |
| 174 | P174 观光公交(Day 2) | 0 / 0 | (None) |
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