| Problem ID | Title | Solved | Submit | Pass Rate |
|---|---|---|---|---|
| 4079 | Rectangles | 20 | 59 | 33.9% |
| 4177 | 火车 | 2 | 12 | 16.7% |
| 4215 | Minimum number of steps | 3 | 8 | 37.5% |
| 4304 | Kids' Riddle | 5 | 5 | 100.0% |
| 4339 | Significant Cups重要奖杯 | 4 | 4 | 100.0% |
| 4383 | Timofey and cubes | 1 | 1 | 100.0% |
| 4440 | 逃票者 | 23 | 44 | 52.3% |
| 4619 | Ant Man | 1 | 1 | 100.0% |
| 4822 | Processing Queries 处理查询 | 3 | 3 | 100.0% |
| 4908 | 制作字符串 | 76 | 321 | 23.7% |
| 4950 | 漂亮数 | 96 | 412 | 23.3% |
| 4990 | 牛铃 | 44 | 94 | 46.8% |
| 5079 | 等边三角形 | 17 | 70 | 24.3% |
| 5120 | Bear and Three Musketeers | 3 | 9 | 33.3% |
| 5180 | Ohana Cleans Up | 0 | 0 | 0.0% |
| 5200 | Cutting Jigsaw Puzzle | 0 | 0 | 0.0% |
| 5223 | Sea and Islands | 0 | 0 | 0.0% |
| 5261 | Covered Path | 1 | 1 | 100.0% |
| 5328 | Han Solo and Lazer Gun | 0 | 0 | 0.0% |
| 5378 | Before an Exam | 1 | 1 | 100.0% |
| 5403 | Obsessive String | 7 | 8 | 87.5% |
| 5446 | Maximum Value | 1 | 1 | 100.0% |
| 5480 | Worms | 3 | 4 | 75.0% |
| 5593 | DZY Loves FFT | 1 | 1 | 100.0% |
| 5690 | Mashmokh and ACM | 3 | 3 | 100.0% |
| 5769 | Very Beautiful Number | 1 | 1 | 100.0% |
| 5926 | Game with Strings | 0 | 2 | 0.0% |
| 5943 | 出售 | 4 | 7 | 57.1% |
| 5959 | Simple Molecules | 0 | 0 | 0.0% |
| 5996 | Eight Point Sets | 1 | 1 | 100.0% |
| 6077 | 美人鱼和周期 | 6 | 7 | 85.7% |