| 题目ID | 标题 | 来源 | 正确数 | 通过率 |
|---|---|---|---|---|
| 1562-HDU | Guess the number | Happy 2007 | 276 | 59.7% |
| 1563-HDU | Find your present! | Happy 2007 | 295 | 73.9% |
| 1564-HDU | Play a game | Happy 2007 | 302 | 66.1% |
| 1565-HDU | 方格取数(1) | Happy 2007 | 300 | 40.3% |
| 1566-HDU | 奇怪的公式 | Happy 2007 | 218 | 28.7% |
| 1567-HDU | 2006 | Happy 2007 | 269 | 67.4% |
| 1568-HDU | Fibonacci | Happy 2007 | 290 | 65.3% |
| 1569-HDU | 方格取数(2) | Happy 2007 | 267 | 53.9% |