| Problem ID | Title | Solved | Submit | Pass Rate |
|---|---|---|---|---|
| 4894 | Island Puzzle | 1 | 3 | 33.3% |
| 4972 | Savior | 1 | 1 | 100.0% |
| 4977 | Minimum spanning tree for each edge | 1 | 1 | 100.0% |
| 4992 | Pastoral Oddities | 1 | 1 | 100.0% |
| 4995 | Moodular Arithmetic | 3 | 3 | 100.0% |
| 5000 | Acyclic Organic Compounds | 1 | 1 | 100.0% |
| 5590 | DZY Loves Planting | 1 | 1 | 100.0% |
| 5600 | Valera and Swaps | 1 | 1 | 100.0% |
| 5631 | Nanami的数字板 | 4 | 4 | 100.0% |
| 5915 | Dima and Kicks | 1 | 1 | 100.0% |