| Problem Name | Online Judge | Year | Contest | Difficulty Level | |
|---|---|---|---|---|---|
| 1 | Free spots | UVA | 1 | ||
| 2 | Automatic Answer | UVA | 1 | ||
| 3 | Digit Counting | Live Archive | 2007 | Asia - Danang | 1 |
| 4 | What's The Frequency, Kenneth? | UVA | 1 | ||
| 5 | Hajj-e-Akbar | UVA | 1 | ||
| 6 | The Useless Toy | Codeforces | Codeforces Round #426 (Div. 2) | 1 | |
| 7 | Egypt | UVA | 1 | ||
| 8 | Beat the Spread! | UVA | 1 | ||
| 9 | Schedule of a Married Man | Live Archive | 2008 | Asia - Dhaka | 1 |
| 10 | Ecological Premium | UVA | 1 | ||
| 11 | STONE GAME | SPOJ | 1 | ||
| 12 | Minesweeper | UVA | 1 | ||
| 13 | WERTYU | UVA | 1 | ||
| 14 | Find the Telephone | UVA | 1 | ||
| 15 | Cost Cutting | UVA | 1 | ||
| 16 | Barcodes | Live Archive | 2010 | World Finals - Harbin | 1 |
| 17 | Combination Lock | UVA | 1 | ||
| 18 | Enormous Input Test | SPOJ | 1 | ||
| 19 | Hash it! | SPOJ | 1 | ||
| 20 | Colours A, B, C, D | SPOJ | 1 | ||
| 21 | Request for Proposal | UVA | 1 | ||
| 22 | Searching for Nessy | UVA | 1 | ||
| 23 | TEX Quotes | UVA | 1 | ||
| 24 | Lucky Ticket | Codeforces | Codeforces Round #104 (Div. 2) | 1 | |
| 25 | Enormous Input Test | CodeChef | 1 | ||
| 26 | The 3n + 1 problem | UVA | 1 | ||
| 27 | Cola | UVA | 1 | ||
| 28 | VOI09 Trò chơi với b?ng số | SPOJ Vietnam | 1 | ||
| 29 | The Blocks Problem | UVA | 1 | ||
| 30 | Word Scramble | UVA | 1 | ||
| 31 | List of Conquests | UVA | 1 | ||
| 32 | All Integer Average | Live Archive | 2004 | Asia - Dhaka | 1 |
| 33 | Blowing Fuses | UVA | 1 | ||
| 34 | Event Planning | UVA | 1 | ||
| 35 | Ecological Bin Packing | UVA | 1 | ||
| 36 | The Snail | UVA | 1 | ||
| 37 | Newspaper | UVA | 1 | ||
| 38 | Mobile Casanova | Live Archive | 2006 | Asia - Dhaka | 1 |
| 39 | Horror Dash | UVA | 1 | ||
| 40 | Rectangles | SPOJ | 1 | ||
| 41 | Soundex Indexing | UVA | 1 | ||
| 42 | Division of Nlogonia | UVA | 1 | ||
| 43 | Wordfish | Live Archive | 2006 | Asia - Manila | 1 |
| 44 | Is It A Tree? | UVA | 2 | ||
| 45 | Light and Transparencies | UVA | 2 | ||
| 46 | Permutations | UVA | 2 | ||
| 47 | Roman Numerals | UVA | 2 | ||
| 48 | Find the Format String | Live Archive | 2008 | Asia - Dhaka | 2 |
| 49 | Tic Tac Toe | UVA | 2 | ||
| 50 | Mapmaker | UVA | 2 | ||
| 51 | Simulation Wizardry | UVA | 2 | ||
| 52 | O: dah dah dah! | UVA | 2 | ||
| 53 | The decadary watch | UVA | 2 | ||
| 54 | Self-describing Sequence | UVA | 2 | ||
| 55 | An Experiment by Penny | SPOJ | 2 | ||
| 56 | Determine the Shape | UVA | 3 | ||
| 57 | Major Scales | UVA | 3 | ||
| 58 | SOLVEIT | SPOJ | 4 | ||
| 59 | XOR Equation | Codeforces | 8VC Venture Cup 2016 - Final Round | 4 | |
| 60 | TWO BISHOPS | SPOJ | 4 | ||
| 61 | Report | Codeforces | Codeforces Round #344 (Div. 2) | 4 | |
| 62 | Jerry's Protest | Codeforces | 8VC Venture Cup 2016 - Elimination Round | 5 | |
| 63 | Dinner Hall | UVA | 6 | ||
| 64 | Candy Marathon | URI | 7 |