| Problem Name | Online Judge | Contest | Difficulty Level | |
|---|---|---|---|---|
| 1 | What Goes Up | UVA | 1 | |
| 2 | Strategic Defense Initiative | UVA | 1 | |
| 3 | Building Bridges | SPOJ | 1 | |
| 4 | Easy Longest Increasing Subsequence | SPOJ | 1 | |
| 5 | Wavio Sequence | UVA | 1 | |
| 6 | Stacking Boxes | UVA | 1 | |
| 7 | The Tower of Babylon | UVA | 1 | |
| 8 | In Danger | SPOJ | 1 | |
| 9 | History Grading | UVA | 1 | |
| 10 | Testing the CATCHER | UVA | 1 | |
| 11 | Trainsorting | UVA | 2 | |
| 12 | Another Longest Increasing Subsequence Problem | SPOJ | 2 | |
| 13 | Tower of Cubes | UVA | 2 | |
| 14 | Is Bigger Smarter? | TJU | 2 | |
| 15 | Supernumbers in a permutation | SPOJ | 2 | |
| 16 | BATMAN3 | SPOJ | 2 | |
| 17 | Murcia's Skyline | UVA | 2 | |
| 18 | Greenhouse Effect | Codeforces | Codeforces Round #165 (Div. 1) & Codeforces Round #165 (Div. 2) | 3 |
| 19 | Building Bridges(HARD) | SPOJ | 3 | |
| 20 | Tiling Up Blocks | UVA | 3 | |
| 21 | Bubble Sort Graph | Codeforces | Codeforces Round #198 (Div. 2) & Codeforces Round #198 (Div. 1) | 3 |