| | A | Crossword | Northeastern Europe 1997 | 0 | 0 |
| | B | Rock, Scissors, Paper | Waterloo local 2003.01.25 | 4 | 11 |
| | C | Mint | Waterloo local 2004.09.19 | 4 | 11 |
| | D | Memory management | Ural State University Internal Contest October'2000 Students Session | 0 | 0 |
| | E | Unit Fraction Partition | Japan 2004 Domestic | 1 | 4 |
| | F | Picnic Planning | East Central North America 2000 | 0 | 0 |
| | G | The Treasure | Beijing 2004 Preliminary@POJ | 0 | 2 |
| | H | Tester Program | Tehran 2002, First Iran Nationwide Internet Programming Contest | 0 | 0 |
| | I | Game | Northeastern Europe 1997 | 1 | 5 |
| | J | Jill's Tour Paths | Pacific Northwest 2004 | 2 | 9 |
| | K | Fractal | Shanghai 2004 Preliminary | 5 | 6 |
| | L | Hike on a Graph | University of Ulm Local Contest 2000,zoj1103 | 4 | 5 |