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Problem Category Points ▾ AC % Users
Mock CCC '18 Contest 2 S5 - A Link/Cut Tree Problem Mock CCC 15p 23.1% 89
CCC '18 S4 - Balanced Trees CCC 15p 16.9% 576
Mock CCC '19 Contest 2 S5 - Tudor Takes Pictures of Goats Mock CCC 15 6.8% 14
CCC '20 S2 - Escape Room (Hard) CCC 15p 5.6% 55
Mock CCC '14 S5 - Elimination Game Mock CCC 15p 21.8% 56
Mock CCC '14 S4 - Roadtrip Tracking Mock CCC 15p 9.0% 57
CCCHK '15 S4 - When to meet? CCC 15p 20.0% 8
CCC '21 S5 - Math Homework CCC 15p 24.4% 419
Mock CCC '22 2 S4 - Kaguya Wants to Build a Great Wall Mock CCC 15p 7.5% 8
CCC '22 S4 - Good Triplets CCC 15p 28.5% 310
Mock CCC '23 1 S4 - Roger Says Yabe Mock CCC 15p 7.2% 19
Mock CCC '23 2 S4 - Roger Says Yabe Mock CCC 15p 19.0% 7
CCC '23 S4 - Minimum Cost Roads CCC 15p 19.6% 256
CCC '05 S5 - Pinball Ranking CCC 12p 19.5% 741
CCC '06 S3 - Tin Can Telephone CCC 12 20.8% 528
CCC '09 S5 - Wireless CCC 12p 34.8% 622
CCC '11 S5 - Switch CCC 12p 18.3% 415
Mock CCC '15 S3 - The Tachyon Trap Mock CCC 12p 18.4% 65
CCC '16 S3 - Phonomenal Reviews CCC 12p 26.4% 1103
CCC '99 S4 - A Knightly Pursuit CCC 12 18.7% 348
CCC '99 S5 - Letter Arithmetic CCC 12 16.0% 77
Mock CCC '18 Contest 1 S4 - A Graph Problem Mock CCC 12p 19.9% 97
Mock CCC '18 Contest 2 S4 - A Tree Problem Mock CCC 12p 17.9% 65
CCC '18 S3 - RoboThieves CCC 12p 14.1% 1135
Mock CCC '19 Contest 1 S4 - Pusheen Plays Neko Atsume Mock CCC 12 17.8% 100
Mock CCC '19 Contest 1 S3 - Pusheen Eats Tuna Sashimi and Tuna Nigiri Mock CCC 12p 5.2% 54
CCC '19 S3 - Arithmetic Square CCC 12p 13.6% 501
Mock CCC '20 Contest 1 J5 - A Prime Problem Mock CCC 12p 2.8% 20
CCC '20 J4 - Cyclic Shifts (Hard) CCC 12p 3.8% 36
CCC '20 S3 - Searching for Strings CCC 12p 8.9% 843
CCC '20 S4 - Swapping Seats CCC 12p 25.6% 491
CCCHK '15 S3 - Symmetric Cross CCC 12p 16.2% 20
Riolku's Mock CCC S3 - Mosey's Birthday Mock CCC 12p 11.7% 63
Riolku's Mock CCC S4 - Clumsy Cindy Mock CCC 12p 10.7% 70
Mock CCC '21 S4 - Infinite Molecule Mock CCC 12p 8.2% 29
Riolku's Mock CCC S2 - Keen Keener Sequence (Hard Version) Mock CCC 12 10.7% 17
CCC '21 S4 - Daily Commute CCC 12p 26.0% 585
Canada Day Contest 2021 - CCC Bad Haha Seasonal 12 36.1% 249
Mock CCC '22 2 S3 - Kaguya Wants to Analyze the Academy Anthem Mock CCC 12p 7.9% 40
Mock CCC '23 Contest 1 J5 - Calculus Problem Mock CCC 12p 10.1% 41
Mock CCC '24 Contest 1 S4 - Tommy's Lemonade Stand Mock CCC 12p 22.0% 29
CCC '24 S4 - Painting Roads CCC 12p 35.9% 164
CCC '13 S3 - Chances of Winning CCC 10 41.2% 1365
CCC '05 J5 - Bananas CCC 10 21.6% 1469
CCC '06 S4 - Groups CCC 10 46.5% 328
CCC '04 J5 - Fractals CCC 10 35.7% 220
CCC '07 S5 - Bowling for Numbers CCC 10p 29.9% 868
CCC '08 S5 - Nukit CCC 10p 37.1% 708
CCC '08 S4 - Twenty-four CCC 10 25.5% 744
CCC '96 S4 - When in Rome CCC 10 33.0% 569