| Problem Name | Online Judge | Contest | Difficulty Level | |
|---|---|---|---|---|
| 1 | Water among Cubes | SPOJ | 1 | |
| 2 | Spreading The News | UVA | 1 | |
| 3 | Isenbaev's Number | Timus | 1 | |
| 4 | All Roads Lead Where? | UVA | 1 | |
| 5 | The Cats and the Mouse | SPOJ | 1 | |
| 6 | A Node Too Far | UVA | 1 | |
| 7 | Playing with Wheels | UVA | 1 | |
| 8 | Bombs! NO they are Mines!! | UVA | 1 | |
| 9 | Bicoloring | UVA | 1 | |
| 10 | Cleaning Robot | SPOJ | 1 | |
| 11 | Knight Moves | UVA | 1 | |
| 12 | Tic-Tac-Toe ( II ) | SPOJ | 1 | |
| 13 | Laser Phones | SPOJ | 1 | |
| 14 | Dungeon Master | UVA | 1 | |
| 15 | Bitmap | SPOJ | 1 | |
| 16 | Prime Path | SPOJ | 1 | |
| 17 | Risk | UVA | 1 | |
| 18 | Ones and zeros | SPOJ | 1 | |
| 19 | We Ship Cheap | UVA | 1 | |
| 20 | Jugs | UVA | 2 | |
| 21 | Changing Maze | SPOJ | 2 | |
| 22 | Shipping Routes | UVA | 2 | |
| 23 | The Party, Part I | UVA | 2 | |
| 24 | Crazy King | UVA | 2 | |
| 25 | The Monocycle | UVA | 2 | |
| 26 | Fire! | UVA | 2 | |
| 27 | The Net | UVA | 2 | |
| 28 | The New Villa | UVA | 3 | |
| 29 | THE WEIRD STAIRCASE | SPOJ | 3 | |
| 30 | 9 Puzzle | UVA | 3 | |
| 31 | Enchanted Forest | UVA | 3 | |
| 32 | Eternal Truths | UVA | 3 | |
| 33 | Valid BFS? | Codeforces | Manthan, Codefest 18 (rated, Div. 1 + Div. 2) | 3 |
| 34 | Switch The Lights | UVA | 4 | |
| 35 | GRAVITY | SPOJ | 5 | |
| 36 | Repeated Substitution with Sed | UVA | 6 | |
| 37 | TwoKings | TopCoder | SRM 243 - Div1 hard] (7218) | 9 |