| | A | the sum of prime | | 6 | 36 |
| | B | HangOver | Mid-Central USA 2001 | 10 | 11 |
| | C | Sum | Northeastern Europe 2000 Practice | 13 | 37 |
| | D | Daffodil number | Zhejiang Provincial Programming Contest 2006, Preliminary | 11 | 53 |
| | E | Speed Limit | Mid-Central USA 2004 | 8 | 23 |
| | F | Biker's Trip Odometer | Greater New York 2003zoj1813 | 4 | 10 |
| | G | A+B for Input-Output Practice(IV) | | 9 | 13 |
| | H | A+B for Input-Output Practice(V) | | 8 | 9 |
| | I | A+B for Input-Output Practice(VI) | | 8 | 13 |
| | J | A+B for Input-Output Practice(VII) | | 7 | 10 |
| | K | A+B for Input-Output Practice(VIII) | | 8 | 9 |
| | L | A+B for Input-Output Practice(IX) | | 8 | 8 |
| | M | A + B Problem Too | hdu2101 | 7 | 11 |
| | N | How many minutes？——C语言初学者百题大战之六 | yhr | 8 | 12 |
| | O | ZSTU | | 6 | 6 |
| | P | A+B for Input-Output Practice 4 | | 8 | 8 |
| | Q | Digital Roots | | 8 | 9 |
| | R | 猴子吃桃 | yehr | 8 | 9 |
| | S | Cloze Number | hdu1406 | 5 | 14 |