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Problem Category Points AC % Users
CCO '00 P1 - Subsets CCO 10 36.0% 129
CCO '05 P1 - Number Matrix CCO 10 36.3% 59
CCO '05 P5 - Segments CCO 10p 39.7% 64
CCO '07 P1 - Cows CCO 10 31.7% 54
CCO '07 P2 - Snowflakes CCO 10 7.5% 43
CCO '07 P3 - Bowling for Numbers++ CCO 20p 29.0% 57
CCO '07 P4 - Gerrymandering CCO 20p 2.3% 3
CCO '07 P6 - Road Construction CCO 20p 24.6% 57
CCO '08 P4 - Herding CCO 10p 33.0% 59
CCO '08 P5 - Candy CCO 15p 19.7% 77
CCO '08 P6 - Landing CCO 50 11.8% 10
CCO '09 P1 - Invasion of the Boxes CCO 20p 25.0% 1
CCO '09 P2 - Dinner CCO 20p 62.5% 5
CCO '09 P3 - Beware the Geoducks CCO 10 18.8% 6
CCO '09 P5 - Parade CCO 20p 51.4% 8
CCO '09 P6 - A Weighty Problem CCO 12p 39.1% 5
CCO '10 P1 - Barking Dogs! CCO 10 32.8% 79
CCO '10 P2 - Tree Pruning CCO 15 31.3% 75
CCO '10 P3 - Wowow CCO 20p 21.6% 94
CCO '10 P4 - Computer Purchase Return CCO 10 38.0% 112
CCO '10 P5 - Space Miner CCO 15 30.6% 17
CCO '10 P6 - Shuffle CCO 10 34.8% 55
CCO '11 P1 - Putnam CCO 7 28.0% 32
CCO '11 P2 - Vampire Tunnels CCO 15p 15.0% 113
CCO '11 P3 - Spies Like Us CCO 10p 25.5% 51
CCO '11 P4 - Reorganization CCO 15p 33.2% 78
CCO '11 P5 - Fixing Disks CCO 40p 5.1% 4
CCO '11 P6 - Biggest (Zero Carbon) Footprint CCO 25p 14.3% 31
CCO '12 P1 - Choose Your Own Arithmetic CCO 7 24.8% 46
CCO '12 P2 - The Hungary Games CCO 15 22.2% 120
CCO '12 P3 - Mhocskian Languages CCO 20p 62.7% 22
CCO '12 P4 - Editor Distance CCO 10 36.4% 36
CCO '12 P5 - Sample Size CCO 7 18.9% 41
CCO '12 P6 - The Winds Of War CCO 30p 52.5% 16
CCO '13 P1 - All Your Base Belong to Palindromes CCO 10p 16.3% 72
CCO '13 P2 - Tourney CCO 15p 38.5% 140
CCO '13 P3 - LHC CCO 20p 20.7% 157
CCO '13 P4 - A Romantic Movie Outing CCO 20p 22.2% 36
CCO '13 P5 - Transforming Comets CCO 25p 20.8% 39
CCO '13 P6 - Repetitivity CCO 25p 37.1% 44
CCO '14 P1 - Troyangles CCO 10p 31.7% 215
CCO '14 P2 - King Gruff CCO 15p 34.4% 110
CCO '14 P3 - Werewolf CCO 25p 44.6% 74
CCO '14 P4 - Where's That Fuel? CCO 7p 30.4% 122
CCO '14 P5 - Early Exam Evacuation CCO 20p 25.2% 41
CCO '14 P6 - Gates CCO 40p 5.5% 5
CCO '15 P1 - Hungry Fox CCO 15p 22.7% 88
CCO '15 P2 - Artskjid CCO 15p 13.2% 170
CCO '15 P3 - Solar Flight CCO 20p 12.5% 25
CCO '15 P4 - Cars on Ice CCO 15p 17.5% 82