| Problem ID | Title | Solved | Submit | Pass Rate |
|---|---|---|---|---|
| 4078 | Chess Tourney | 34 | 64 | 53.1% |
| 4088 | 医生 | 21 | 54 | 38.9% |
| 4109 | Caramel Clouds | 1 | 1 | 100.0% |
| 4123 | Cards Sorting | 3 | 4 | 75.0% |
| 4955 | The Union of k-Segments | 3 | 3 | 100.0% |
| 4961 | New Year and Three Musketeers | 1 | 2 | 50.0% |
| 4980 | U盘 | 5 | 14 | 35.7% |
| 5020 | Nearest vectors | 1 | 1 | 100.0% |
| 5024 | Restaurant | 12 | 57 | 21.1% |
| 5027 | Wilbur and Trees | 0 | 2 | 0.0% |
| 5028 | Wilbur and Points 威尔伯和积分 | 4 | 4 | 100.0% |
| 5411 | zz的考试 | 46 | 127 | 36.2% |