| Problem Name | Online Judge | Year | Contest | Difficulty Level | |
|---|---|---|---|---|---|
| 1 | Connect the Campus | UVA | 1 | ||
| 2 | Ubiquitous Religions | UVA | 1 | ||
| 3 | Arctic Network | UVA | 1 | ||
| 4 | ACM Contest and Blackout | UVA | 1 | ||
| 5 | Bytelandian Blingors Network | SPOJ | 1 | ||
| 6 | Frogger | UVA | 1 | ||
| 7 | Kids Love Candies | A2 Online Judge | 1 | ||
| 8 | The Bottom of a Graph | SPOJ | 1 | ||
| 9 | Freckles | UVA | 1 | ||
| 10 | Capital City | SPOJ | 1 | ||
| 11 | Calling Circles | UVA | 1 | ||
| 12 | Re-connecting Computer Sites | UVA | 1 | ||
| 13 | Heavy Cargo | UVA | 1 | ||
| 14 | A Bug’s Life | SPOJ | 1 | ||
| 15 | Cobbled streets | SPOJ | 1 | ||
| 16 | Fake tournament | SPOJ | 1 | ||
| 17 | Virtual Friends | UVA | 1 | ||
| 18 | Dark roads | UVA | 1 | ||
| 19 | Network Connections | UVA | 1 | ||
| 20 | Herding | SPOJ | 1 | ||
| 21 | Dominos | UVA | 1 | ||
| 22 | Graph Connectivity | UVA | 1 | ||
| 23 | The Benefactor | SPOJ | 1 | ||
| 24 | Friends | UVA | 1 | ||
| 25 | Audiophobia | UVA | 1 | ||
| 26 | Dragon of Loowater | UVA | 1 | ||
| 27 | The Tourist Guide | UVA | 1 | ||
| 28 | Fix the Pond | Live Archive | 2012 | Latin America | 2 |
| 29 | Airports | UVA | 2 | ||
| 30 | Highways | UVA | 2 | ||
| 31 | Reliable Nets | SPOJ | 2 | ||
| 32 | Nature | UVA | 2 | ||
| 33 | True Friends | SPOJ | 2 | ||
| 34 | Driving Range | UVA | 2 | ||
| 35 | Is There A Second Way Left? | UVA | 2 | ||
| 36 | Cost | SPOJ | 2 | ||
| 37 | Money Matters | UVA | 2 | ||
| 38 | Come and Go | UVA | 2 | ||
| 39 | Network | TJU | 2 | ||
| 40 | Rings and Glue | UVA | 2 | ||
| 41 | Traffic Flow | UVA | 2 | ||
| 42 | Heavy Cargo | TJU | 2 | ||
| 43 | Fibonacci Tree | Live Archive | 2013 | Asia - Chengdu | 2 |
| 44 | War | UVA | 2 | ||
| 45 | Transportation system. | UVA | 2 | ||
| 46 | Lighting Away | UVA | 2 | ||
| 47 | Freckles | TJU | 2 | ||
| 48 | IP-TV | UVA | 2 | ||
| 49 | Highways | TJU | 2 | ||
| 50 | Bus Problem | Live Archive | 2014 | Asia - Taichung | 2 |
| 51 | Heavy Cycle Edges | UVA | 2 | ||
| 52 | Strange Food Chain | SPOJ | 2 | ||
| 53 | Buy Car | TJU | 2 | ||
| 54 | Expensive subway | UVA | 2 | ||
| 55 | Corporative Network | SPOJ | 2 | ||
| 56 | Proving Equivalences | SPOJ | 3 | ||
| 57 | The Dragon of Loowater | PKU | 3 | ||
| 58 | Almost Union-Find | UVA | 3 | ||
| 59 | Madrids One Way Streets | SPOJ | 3 | ||
| 60 | Oreon | TJU | 3 | ||
| 61 | Square dance | SPOJ | 3 | ||
| 62 | X-Plosives | UVA | 3 | ||
| 63 | Oreon | UVA | 3 | ||
| 64 | Anti Brute Force Lock | UVA | 3 | ||
| 65 | RACING | UVA | 3 | ||
| 66 | Killing Aliens in Borg Maze | UVA | 3 | ||
| 67 | Fatawy | SPOJ | 4 | ||
| 68 | Count Minimum Spanning Trees | SPOJ | 4 | ||
| 69 | Civilization | Codeforces | Codeforces Round #260 (Div. 1) & Codeforces Round #260 (Div. 2) | 4 | |
| 70 | The Bug Sensor Problem | UVA | 4 | ||
| 71 | Island Hopping | SPOJ | 4 | ||
| 72 | Prim | UVA | 5 | ||
| 73 | Hedge Mazes | UVA | 5 | ||
| 74 | Fix the Pond | UVA | 5 | ||
| 75 | Kingdoms | UVA | 6 | ||
| 76 | FreeDiv | Codeforces | Codeforces Beta Round #66 | 8 | |
| 77 | Dividing Kingdom II | Codeforces | Codeforces Round #360 (Div. 1) | 8 |