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Problem Category Points AC % Users ▾
CCO '00 P5 - Millikan's Oil Droplet Experiment CCO 7 22.3% 54
CCO '21 P4 - Travelling Merchant CCO 25p 19.0% 53
CCO '10 P5 - Space Miner CCO 15 31.5% 52
CCO '23 P4 - Flip it and Stick it CCO 17p 6.9% 51
CCO '18 P5 - Boring Lectures (Online Version) CCO 30p 7.4% 50
CCO '09 P2 - Dinner CCO 20p 9.8% 50
CCO '21 P3 - Through Another Maze Darkly CCO 25p 20.5% 49
CCO '01 P6 - Election Night CCO 15 15.2% 47
CCO '04 P4 - Return of Space Turtle CCO 12 14.2% 46
CCO '08 P3 - Mobile CCO 17p 31.3% 46
CCO '09 P5 - Parade CCO 17p 17.3% 43
CCO '05 P2 - The Great Spamway Strike CCO 20 40.8% 43
CCO '04 P6 - Orko CCO 15 31.6% 42
CCO '08 P6 - Landing CCO 45 20.2% 40
CCO '20 P6 - Shopping Plans CCO 30p 9.2% 40
CCO '02 P4 - Duathlon CCO 10 11.3% 38
CCO '09 P4 - Bottle Caps CCO 20p 14.2% 37
CCO '02 P2 - Game Show Math CCO 12 21.4% 35
CCO '06 P2 - R & J CCO 10 20.8% 35
CCO '01 P4 - Breaking Level (Standard I/O) CCO 12 7.8% 35
CCO '17 P6 - Shifty Grid CCO 30p 17.8% 34
CCO '09 P3 - Beware the Geoducks CCO 10 9.8% 34
CCO '03 P2 - Concentration Cards CCO 15 36.1% 31
CCO '22 P5 - Phone Plans CCO 20p 12.7% 31
CCO '96 P6 - Hoppers CCO 15 15.5% 29
CCO '01 P5 - Fast Food CCO 7 10.1% 29
CCO '22 P4 - Bi-ing Lottery Treekets CCO 20p 20.6% 29
CCO '05 P6 - Windows CCO 30p 14.2% 28
CCO '22 P3 - Double Attendance CCO 25p 7.5% 28
CCO '20 P3 - Mountains and Valleys CCO 35p 5.8% 25
CCO '09 P1 - Invasion of the Boxes CCO 20p 12.8% 22
CCO '02 P1 - Spam CCO 12 49.1% 22
CCO '23 P3 - Line Town CCO 30p 9.9% 22
CCO '97 P1 - Palindromes CCO 10 11.0% 21
CCO '98 P2 - Message Deciphering CCO 7 51.9% 20
CCO '99 P4 - Maple Roundup CCO 10 21.8% 19
CCO '98 P5 - Text Segmentation CCO 10 23.7% 18
CCO '23 P6 - Triangle Collection CCO 25p 16.7% 18
CCO '23 P5 - Travelling Trader CCO 30p 7.9% 17
CCO '99 P1 - You Can't Get There From Here CCO 7 26.5% 16
CCO '02 P3 - Return To Blind Man's Bluff CCO 12 12.2% 16
CCO '03 P3 - Cube CCO 20p 12.4% 14
CCO '14 P6 - Gates CCO 40p 9.0% 13
CCO '21 P6 - Loop Town CCO 50p 4.7% 13
CCO '22 P6 - Good Game CCO 35p 19.6% 12
CCO '97 P6 - Aligning DNA CCO 7 19.1% 11
CCO '00 P3 - The Game Of 31 CCO 15 54.5% 11
CCO '01 P2 - Coke or Chocolate Milk CCO 12 17.1% 11
CCO '06 P4 - CN Tower 2 CCO 30 5.4% 11
CCO '07 P5 - Particle Catcher CCO 30p 16.3% 10