| 题目编号 | 标题 | 来源/分类 | 解决 | 提交 | |
| A | Brackets Removal | Northeastern Europe 2005 | 0 | 0 | |
| B | Cactus | Northeastern Europe 2005 | 0 | 0 | |
| C | Exploring Pyramids | Northeastern Europe 2005 | 0 | 0 | |
| D | Hardwood Cutting | Northeastern Europe 2005 | 0 | 0 | |
| E | IP Networks | Northeastern Europe 2005 | 1 | 3 | |
| F | Joseph's Problem | Northeastern Europe 2005 | 0 | 27 |