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