| # | Name | Source | Solved |
|---|---|---|---|
| 1605 | Buying Keys | 2019 HNU新生赛 | ×1 |
| 1604 | Xu1024’s treasure chest | 2019 HNU新生赛 | ×1 |
| 1603 | Binbin's treasure map | 2019 HNU新生赛 | |
| 1602 | CET and miniskirt | 2019 HNU新生赛 | ×1 |
| 1601 | Days passing | 2019 HNU新生赛 | ×1 |
| 1600 | Kuangyeye's Game | 2019 HNU新生赛 | ×1 |
| 1599 | The GCD of Fibonacci Numbers | 2019 HNU新生赛 | ×1 |
| 1598 | Dice | 2019 HNU新生赛 | |
| 1597 | Ambulance | 2019 HNU新生赛 | ×1 |
| 1596 | Fake Nim | 2019 HNU新生赛 | ×1 |
| 1595 | Alice's Army | 2019 HNU新生赛 | |
| 1594 | SuShu? | 2019 HNU新生赛 | ×1 |
| 1593 | XOR sum | 2019 HNU新生赛 | ×1 |