| 题目编号 | 标题 | 来源/分类 | 解决 | 提交 | |
| A | Open Source | Waterloo Local Contest, 2007.7.14 | 6 | 6 | |
| B | Antimonotonicity | Waterloo Local Contest, 2007.7.14 | 7 | 7 | |
| C | Humidex | Waterloo Local Contest, 2007.7.14 | 5 | 5 | |
| D | Tour de France | Waterloo Local Contest, 2007.7.14 | 5 | 11 | |
| E | Texas Trip | Waterloo Local Contest, 2007.7.14 | 1 | 7 |