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Problem Category Points AC % Users
CCO '00 P1 - Subsets CCO 10 36.4% 138
CCO '05 P1 - Number Matrix CCO 10 36.2% 67
CCO '05 P5 - Segments CCO 10p 43.4% 95
CCO '07 P1 - Cows CCO 10 29.2% 57
CCO '07 P2 - Snowflakes CCO 10 8.3% 59
CCO '07 P3 - Bowling for Numbers++ CCO 20p 26.2% 67
CCO '07 P4 - Gerrymandering CCO 20p 1.9% 3
CCO '07 P6 - Road Construction CCO 20p 25.3% 71
CCO '08 P4 - Herding CCO 10p 34.4% 100
CCO '08 P5 - Candy CCO 15p 18.1% 95
CCO '08 P6 - Landing CCO 50 15.4% 16
CCO '09 P1 - Invasion of the Boxes CCO 20p 21.7% 3
CCO '09 P2 - Dinner CCO 20p 30.0% 17
CCO '09 P3 - Beware the Geoducks CCO 10 9.0% 11
CCO '09 P5 - Parade CCO 20p 41.4% 14
CCO '09 P6 - A Weighty Problem CCO 12p 30.3% 14
CCO '10 P1 - Barking Dogs! CCO 10 35.2% 117
CCO '10 P2 - Tree Pruning CCO 15 31.8% 78
CCO '10 P3 - Wowow CCO 20p 22.7% 115
CCO '10 P4 - Computer Purchase Return CCO 10 36.7% 132
CCO '10 P5 - Space Miner CCO 15 30.1% 17
CCO '10 P6 - Shuffle CCO 10 33.9% 60
CCO '11 P1 - Putnam CCO 7 25.3% 37
CCO '11 P2 - Vampire Tunnels CCO 15p 13.4% 135
CCO '11 P3 - Spies Like Us CCO 10p 23.4% 103
CCO '11 P4 - Reorganization CCO 15p 26.6% 97
CCO '11 P5 - Fixing Disks CCO 40p 1.5% 4
CCO '11 P6 - Biggest (Zero Carbon) Footprint CCO 25p 14.5% 40
CCO '12 P1 - Choose Your Own Arithmetic CCO 7 22.4% 73
CCO '12 P2 - The Hungary Games CCO 15 22.2% 158
CCO '12 P3 - Mhocskian Languages CCO 20p 72.6% 35
CCO '12 P4 - Editor Distance CCO 10 31.5% 43
CCO '12 P5 - Sample Size CCO 7 19.2% 44
CCO '12 P6 - The Winds Of War CCO 30p 33.9% 21
CCO '13 P1 - All Your Base Belong to Palindromes CCO 10p 15.8% 76
CCO '13 P2 - Tourney CCO 15p 38.0% 151
CCO '13 P3 - LHC CCO 20p 20.6% 184
CCO '13 P4 - A Romantic Movie Outing CCO 20p 20.1% 49
CCO '13 P5 - Transforming Comets CCO 25p 18.9% 41
CCO '13 P6 - Repetitivity CCO 25p 38.6% 55
CCO '14 P1 - Troyangles CCO 10p 31.5% 254
CCO '14 P2 - King Gruff CCO 15p 35.0% 120
CCO '14 P3 - Werewolf CCO 17p 45.5% 91
CCO '14 P4 - Where's That Fuel? CCO 7p 32.9% 156
CCO '14 P5 - Early Exam Evacuation CCO 20p 25.1% 41
CCO '14 P6 - Gates CCO 40p 6.7% 7
CCO '15 P1 - Hungry Fox CCO 15p 22.5% 101
CCO '15 P2 - Artskjid CCO 15p 13.0% 191
CCO '15 P3 - Solar Flight CCO 20p 10.3% 29
CCO '15 P4 - Cars on Ice CCO 15p 16.7% 111