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back-tracking problems
Problem Name Online Judge Year Contest Difficulty Level
1 Robots on Ice Categories Live Archive 2010 World Finals - Harbin 1
2 CD Categories UVA 1
3 Bit Compressor Categories Live Archive 2006 World Finals - San Antonio 1
4 Prime Ring Problem Categories UVA 1
5 Pyramids Categories Live Archive 2011 World Finals - Orlando 1
6 The Cubic End Categories Live Archive 2005 North America - Greater NY 2
7 Huffman Codes Categories Live Archive 2008 World Finals - Banff 2
8 My T-shirt suits me Categories UVA 2
9 Tony's Tour Categories PKU 3
10 Pride and Prejudice and Zombies Categories Live Archive 2010 North America - Pacific Northwest 3
11 House of Cards Categories Live Archive 2009 World Finals - Stockholm 3
12 Zombie Swallows Categories Live Archive 2010 North America - Pacific Northwest 4
13 Crossword Puzzle Categories Live Archive 2001 World Finals - Vancouver 5
14 The Primes Categories PKU 5