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Problem Category Points AC % ▾ Users
CCO '07 P6 - Road Construction CCO 20p 30.3% 180
CCO '10 P2 - Tree Pruning CCO 15 29.7% 188
CCO '20 P2 - Exercise Deadlines CCO 15p 29.7% 290
CCO '99 P3 - Manelzuma's Revenge CCO 10 28.6% 2
CCO '11 P1 - Putnam CCO 7 27.6% 108
CCO '22 P1 - Alternating Heights CCO 12p 27.4% 136
CCO '96 P1 - Train Swapping CCO 5 26.9% 212
CCO '99 P1 - You Can't Get There From Here CCO 7 26.5% 16
CCO '19 P5 - Marshmallow Molecules CCO 15p 26.5% 128
CCO '98 P1 - Fibonacci Numbers CCO 7 26.2% 158
CCO '19 P6 - Bad Codes CCO 20p 25.4% 68
CCO '03 P1 - BFed CCO 10 25.4% 61
CCO '06 P1 - CN Tower CCO 5 25.4% 140
CCO '98 P4 - Scoring Curling CCO 7p 25.0% 8
CCO '12 P2 - The Hungary Games CCO 15 24.4% 478
CCO '19 P2 - Sirtet CCO 20p 24.3% 81
CCO '05 P1 - Number Matrix CCO 10 24.2% 161
CCO '12 P5 - Sample Size CCO 7 24.0% 171
CCO '23 P1 - Binaria CCO 12p 24.0% 164
CCO '10 P3 - Wowow CCO 15p 23.9% 282
CCO '98 P5 - Text Segmentation CCO 10 23.7% 18
CCO '13 P4 - A Romantic Movie Outing CCO 20p 23.5% 91
CCO '13 P3 - LHC CCO 12p 23.3% 403
CCO '14 P5 - Early Exam Evacuation CCO 20p 23.3% 87
CCO '21 P5 - Bread First Search CCO 20p 23.0% 63
CCO '11 P3 - Spies Like Us CCO 10p 22.8% 203
CCO '12 P1 - Choose Your Own Arithmetic CCO 7 22.8% 223
CCO '00 P5 - Millikan's Oil Droplet Experiment CCO 7 22.3% 54
CCO '16 P1 - Field Trip CCO 10p 21.8% 171
CCO '99 P4 - Maple Roundup CCO 10 21.8% 19
CCO '15 P1 - Hungry Fox CCO 15p 21.4% 219
CCO '02 P2 - Game Show Math CCO 12 21.4% 35
CCO '06 P2 - R & J CCO 10 20.8% 35
CCO '16 P6 - Pirates CCO 25p 20.7% 70
CCO '04 P2 - Hockey Scores CCO 12 20.6% 66
CCO '22 P4 - Bi-ing Lottery Treekets CCO 20p 20.6% 29
CCO '21 P3 - Through Another Maze Darkly CCO 25p 20.5% 49
CCO '20 P1 - A Game with Grundy CCO 10p 20.3% 214
CCO '08 P6 - Landing CCO 45 20.2% 40
CCO '20 P4 - Travelling Salesperson CCO 25p 19.6% 92
CCO '22 P6 - Good Game CCO 35p 19.6% 12
CCO '13 P5 - Transforming Comets CCO 15p 19.3% 74
CCO '18 P5 - Boring Lectures CCO 20p 19.1% 125
CCO '97 P6 - Aligning DNA CCO 7 19.1% 11
CCO '16 P5 - Zombie Apocalypse CCO 15p 19.1% 141
CCO '21 P4 - Travelling Merchant CCO 25p 19.0% 53
CCO '11 P2 - Vampire Tunnels CCO 15p 19.0% 318
CCO '15 P4 - Cars on Ice CCO 10p 19.0% 206
CCO '22 P2 - Rainy Markets CCO 17p 18.7% 101
CCO '13 P1 - All Your Base Belong to Palindromes CCO 10p 18.6% 208