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Problem Category Points AC % ▾ Users
CCO '22 P4 - Bi-ing Lottery Treekets CCO 20p 22.4% 28
CCO '00 P5 - Millikan's Oil Droplet Experiment CCO 7 22.3% 54
CCOQR '16 - Data Structure CCC 15p 22.0% 176
Mock CCO '18 Contest 2 Problem 4 - Victor's Rectangles Mock CCO 20p 21.9% 22
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 '21 P3 - Through Another Maze Darkly CCO 25p 20.3% 48
CCO '20 P1 - A Game with Grundy CCO 10p 20.2% 213
CCO '08 P6 - Landing CCO 45 20.2% 40
CCO '21 P4 - Travelling Merchant CCO 25p 20.0% 51
CCO '22 P6 - Good Game CCO 35p 19.6% 12
CCO '20 P4 - Travelling Salesperson CCO 25p 19.5% 90
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 '11 P2 - Vampire Tunnels CCO 15p 19.0% 318
CCO '15 P4 - Cars on Ice CCO 10p 19.0% 206
CCO '13 P1 - All Your Base Belong to Palindromes CCO 10p 18.6% 208
CCO '15 P6 - Eggscavation CCO 30p 18.5% 70
CCO '22 P2 - Rainy Markets CCO 17p 18.5% 100
Mock CCO '18 Contest 2 Problem 6 - Victor's Cubes Mock CCO 20p 18.3% 9
CCO '08 P5 - Candy CCO 7p 18.3% 235
CCOQR '16 - Through A Maze Darkly CCC 20p 18.3% 103
CCO Preparation Test 3 P3 - Arrow Mock CCO 30p 18.1% 58
CCO '18 P3 - Fun Palace CCO 30p 18.1% 76
CCO '00 P6 - Extension Cords CCO 12 18.0% 7
CCO '17 P6 - Shifty Grid CCO 30p 17.8% 34
CCO '08 P2 - King & Weber CCO 10p 17.7% 69
Mock CCO '18 Contest 1 Problem 6 - A Combining Problem Mock CCO 15p 17.6% 78
CCO '18 P6 - Flop Sorting CCO 30p 17.5% 59
Mock CCO '18 Contest 1 Problem 4 - A Rectangle Problem Mock CCO 25p 17.4% 7
CCO '09 P5 - Parade CCO 17p 17.3% 43
Mock CCO '17 Problem 4 - Guards Mock CCO 15p 17.2% 52
CCO '19 P3 - Winter Driving CCO 30p 17.1% 65
CCO '01 P2 - Coke or Chocolate Milk CCO 12 17.1% 11
CCO '21 P1 - Swap Swap Sort CCO 17p 16.8% 152
CCO Preparation Test 2 P3 - Subsets Mock CCO 20p 16.7% 39
Mock CCO '18 Contest 2 Problem 1 - Victor Runs Mock CCO 15p 16.5% 44
CCO '07 P5 - Particle Catcher CCO 30p 16.3% 10
CCO '23 P6 - Triangle Collection CCO 25p 16.2% 17
CCO '09 P6 - A Weighty Problem CCO 12p 16.1% 76
CCO '03 P5 - Longest Substring CCO 7p 15.8% 86
Mock CCO '19 Contest 2 Problem 6 - A Fundraising Problem Mock CCO 12p 15.8% 28
CCO '20 P5 - Interval Collection CCO 25p 15.8% 59