| Problem Name | Online Judge | Contest | Difficulty Level | |
|---|---|---|---|---|
| 1 | Calling Circles | UVA | 1 | |
| 2 | Capital City | SPOJ | 1 | |
| 3 | Submerging Islands | SPOJ | 1 | |
| 4 | Dominos | UVA | 1 | |
| 5 | Lighting Away | UVA | 2 | |
| 6 | Come and Go | UVA | 2 | |
| 7 | The Ant | SPOJ | 2 | |
| 8 | Doves and bombs | UVA | 2 | |
| 9 | Checkposts | Codeforces | Codeforces Round #244 (Div. 2) | 2 |
| 10 | Trust groups | UVA | 2 | |
| 11 | True Friends | SPOJ | 2 | |
| 12 | Test | UVA | 3 | |
| 13 | Sub-dictionary | UVA | 4 | |
| 14 | Ralph and Mushrooms | Codeforces | Codeforces Round #447 (Div. 2) | 7 |
| 15 | Scheme | Codeforces | Codeforces Beta Round #22 (Div. 2 Only) | 8 |