| 题目ID | 标题 | 来源 | 正确数 | 通过率 |
|---|---|---|---|---|
| 1555-HDU | How many days? | HDU 2006-12 Programming Contest | 470 | 33.7% |
| 1556-HDU | Color the ball | HDU 2006-12 Programming Contest | 1 | 50.0% |
| 1557-HDU | 权利指数 | HDU 2006-12 Programming Contest | 332 | 49.5% |
| 1558-HDU | Segment set | HDU 2006-12 Programming Contest | 340 | 78.9% |
| 1559-HDU | 最大子矩阵 | HDU 2006-12 Programming Contest | 3 | 50.0% |
| 1560-HDU | DNA sequence | HDU 2006-12 Programming Contest | 331 | 48.9% |
| 1561-HDU | The more, The Better | HDU 2006-12 Programming Contest | 292 | 59.7% |