| 题目编号 | 标题 | 来源/分类 | 解决 | 提交 | |
| A | Great Circle | Waterloo local 2005.02.05 | 0 | 0 | |
| B | Ultra-QuickSort | Waterloo local 2005.02.05 | 3 | 4 | |
| C | Up the Ante | Waterloo local 2005.02.05 | 0 | 0 | |
| D | Beat the Spread! | Waterloo local 2005.02.05 | 4 | 8 | |
| E | Traditional BINGO | Waterloo local 2005.02.05 | 2 | 5 |