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Problem Category Points AC % Users
CCO '21 P5 - Bread First Search CCO 20p 22.7% 78
CCO '21 P6 - Loop Town CCO 50 4.8% 18
CCO '22 P1 - Alternating Heights CCO 12p 25.0% 188
CCO '22 P2 - Rainy Markets CCO 17p 18.6% 125
CCO '22 P3 - Double Attendance CCO 25p 8.5% 38
CCO '22 P4 - Bi-ing Lottery Treekets CCO 20p 18.4% 44
CCO '22 P5 - Phone Plans CCO 20p 12.5% 49
CCO '22 P6 - Good Game CCO 35p 18.2% 14
CCO '23 P1 - Binaria CCO 12p 22.8% 258
CCO '23 P2 - Real Mountains CCO 17p 11.3% 94
CCO '23 P3 - Line Town CCO 30p 10.9% 34
CCO '23 P4 - Flip it and Stick it CCO 17p 6.6% 69
CCO '23 P5 - Travelling Trader CCO 30p 7.3% 24
CCO '23 P6 - Triangle Collection CCO 25p 18.3% 27
CCO '24 P1 - Treasure Hunt CCO 10p 22.0% 151
CCO '24 P2 - Pizza Party CCO 10p 33.3% 53
CCO '24 P3 - Summer Driving CCO 25p 10.9% 15
CCO '24 P4 - Infiltration CCO 20p 9.3% 23
CCO '24 P4 - Infiltration (Hard) CCO 30p 4.6% 3
CCO '24 P5 - Heavy Light Decomposition CCO 20p 14.3% 31
CCO '24 P6 - Telephone Plans CCO 30p 11.8% 20
CCO '25 P1 - Asteroid Mining CCO 15p 16.4% 83
CCO '25 P2 - Tree Decorations CCO 17p 10.4% 47
CCO '25 P3 - Balanced Integer CCO 25p 6.1% 8
CCO '25 P4 - Restaurant Recommendation Rescue CCO 17p 17.2% 35
CCO '25 P5 - Patrol Robot CCO 25p 14.1% 12
CCO '25 P6 - Shopping Deals CCO 35p 6.6% 4
CCO '96 P1 - Train Swapping CCO 5p 27.7% 229
CCO '96 P2 - SafeBreaker CCO 10p 35.9% 114
CCO '96 P3 - Quadtrees CCO 15p 50.0% 90
CCO '96 P4 - Where's Waldorf? CCO 7p 47.4% 85
CCO '96 P5 - All Roads Lead Where? CCO 7p 63.0% 285
CCO '96 P6 - Hoppers CCO 15p 15.2% 31
CCO '97 P1 - Palindromes CCO 10p 11.5% 33
CCO '97 P2 - Alien Invasion CCO 10p 46.1% 96
CCO '97 P3 - Porous Stone CCO 10p 16.7% 5
CCO '97 P4 - High Tide CCO 10p 24.0% 12
CCO '97 P5 - Space Aliens CCO 10p 23.1% 5
CCO '97 P6 - Aligning DNA CCO 7p 14.2% 19
CCO '98 P1 - Fibonacci Numbers CCO 7p 25.0% 174
CCO '98 P2 - Message Deciphering CCO 7p 58.9% 33
CCO '98 P3 - Bus Schedule CCO 12p 18.2% 4
CCO '98 P4 - Scoring Curling CCO 7p 25.9% 11
CCO '98 P5 - Text Segmentation CCO 10p 21.1% 33
CCO '98 P6 - Derek's Dilemma CCO 12p 48.3% 10
CCO '99 P1 - You Can't Get There From Here CCO 7p 27.0% 18
CCO '99 P2 - Common Words CCO 10p 12.8% 379
CCO '99 P3 - Manelzuma's Revenge CCO 10p 24.0% 4
CCO '99 P4 - Maple Roundup CCO 10p 21.7% 30
CCO '99 P5 - Sum Of Products CCO 15p 18.4% 3