- 开始时间
- 2011-04-30 18:00:00
- 结束时间
- 2011-05-23 23:59:00
- 比赛已经结束
我们从往年的练习和考试中抽了一些题目，给大家自测。
| 题目ID | 标题 | 通过率 | 通过人数 | 尝试人数 |
| A | Rails | 87% | 46 | 53 |
| B | Parencodings | 98% | 51 | 52 |
| C | Alignment | 88% | 43 | 49 |
| D | Trees Made to Order | 100% | 37 | 37 |
| E | Tree Recovery | 95% | 36 | 38 |
| F | Falling Leaves | 97% | 34 | 35 |
| G | Til the Cows Come Home | 100% | 30 | 30 |
| H | Lake Counting | 98% | 39 | 40 |