| Pro.ID | Problem Title | Difficulty | Notes |
| 1116 | Play on Words | Difficulty: 1 | |
| 1142 | A Walk Through the Forest | Difficulty: 1 | |
| 1213 | How Many Tables | Difficulty: 1 | |
| 1232 | 畅通工程 | Difficulty: 1 | |
| 1272 | 小希的迷宫 | Difficulty: 1 | |
| 1325 | Is It A Tree? | Difficulty: 2 | |
| 1558 | Segment set | Difficulty: 1 | |
| 1811 | Rank of Tetris | Difficulty: 3 | |
| 1829 | A Bug's Life | Difficulty: 1 | |
| 1856 | More is better | Difficulty: 1 | |
| 2473 | Junk-Mail Filter | Difficulty: 3 | |
| 3038 | How Many Answers Are Wrong | Difficulty: 2 | |
| 3047 | Zjnu Stadium | Difficulty: 1 | |
| 3172 | Virtual Friends | Difficulty: 1 | |
| 3234 | Exclusive-OR | Difficulty: 3 | |
| 3461 | Code Lock | Difficulty: 2 | |
| 3635 | Dragon Balls | Difficulty: 1 | |
| 3926 | Hand in Hand | Difficulty: 1 | |
| 3938 | Portal | Difficulty: 3 |
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