| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 4288 | P5300 [GXOI/GZOI2019] 与或和 | 0 / 0 | 5 | |
| 4289 | P5301 [GXOI/GZOI2019] 宝牌一大堆 | 0 / 0 | 6 | |
| 4290 | P5302 [GXOI/GZOI2019] 特技飞行 | 0 / 0 | 7 | |
| 4291 | P5303 [GXOI/GZOI2019] 逼死强迫症 | 0 / 0 | 6 | |
| 4292 | P5304 [GXOI/GZOI2019] 旅行者 | 1 / 2 | 5 | |
| 4293 | P5305 [GXOI/GZOI2019] 旧词 | 0 / 0 | 6 | |
| 4667 | P5675 [GZOI2017] 取石子游戏 | 0 / 0 | 5 | |
| 4668 | P5676 [GZOI2017] 小z玩游戏 | 0 / 0 | 4 | |
| 4689 | P5677 [GZOI2017] 配对统计 | 5 / 9 | 5 | |
| 4690 | P5678 [GZOI2017] 河神 | 0 / 0 | 4 | |
| 4691 | P5679 [GZOI2017] 等差子序列 | 0 / 0 | 5 | |
| 4692 | P5680 [GZOI2017] 共享单车 | 0 / 0 | 6 |
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