| 题目编号 | 标题 | 来源/分类 | 解决 | 提交 | |
| A | Binary Polynomials | Southeastern European Regional Programming Contest 2003 | 0 | 0 | |
| B | Tour | Southeastern European Regional Programming Contest 2005 | 0 | 0 | |
| C | BOAT | Southeastern European Regional Programming Contest 2002 | 0 | 0 | |
| D | Copying Books | Central Europe 1998 | 0 | 20 | |
| E | Charlie's Change | CTU Open 2003 | 1 | 19 | |
| F | Crossed Matchings | Tehran 1999 | 6 | 7 | |
| G | Magazine Delivery | Tehran 1999 | 1 | 5 | |
| H | The County Fair | USACO 2006 U S Open Gold Competition | 3 | 19 | |
| I | Robots | Mid-Central USA 2003 | 1 | 6 | |
| J | Who's in the Middle | USACO 2004 November | 16 | 26 |