| Problem Name | Online Judge | Year | Contest | Difficulty Level | |
|---|---|---|---|---|---|
| 1 | The Closest Pair Problem | UVA | 1 | ||
| 2 | Closest Point Pair | SPOJ | 1 | ||
| 3 | The day of the competitors | SPOJ | 1 | ||
| 4 | Mummy Madness | Live Archive | 2011 | World Finals - Orlando | 2 |
| 5 | SkyScrapers | SPOJ | 3 | ||
| 6 | November Rain | SPOJ | 3 | ||
| 7 | Water Falls | UVA | 3 | ||
| 8 | Triangular Queries | CodeChef | 3 | ||
| 9 | Minion Circle | CodeChef | 4 | ||
| 10 | Wireless | SPOJ | 4 | ||
| 11 | Wild West | SPOJ | 5 | ||
| 12 | Bishops | CodeChef | 5 | ||
| 13 | Boundary Points | UVA | 5 |