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Problem Category Points AC % ▾ Users
Mock CCC '18 Contest 2 S4 - A Tree Problem Mock CCC 12p 17.9% 65
CCC '14 S5 - Lazy Fox CCC 20p 17.9% 456
Mock CCC '19 Contest 1 S4 - Pusheen Plays Neko Atsume Mock CCC 12 17.8% 100
CCC '03 S5 - Trucking Troubles CCC 10p 17.6% 684
Mock CCC '18 Contest 2 J4/S2 - A Geometry Problem Mock CCC 7p 17.5% 122
CCC '00 S3 - Surfing CCC 7 17.5% 621
CCC '24 S3 - Swipe CCC 10p 17.5% 172
Mock CCC '19 Contest 2 J3 - Tudor Buys Some Tea Mock CCC 3p 17.4% 298
CCC '03 S2 - Poetry CCC 5 17.3% 1456
Mock CCC '14 J3 - Clock Hands Mock CCC 5 17.2% 107
Mock CCC '19 Contest 1 J5 - Pusheen Designs a Sushi Boat Mock CCC 7p 17.1% 235
TLE '16 Contest 6 (Mock CCC) S3 - Hyper Fax TLE 15p 17.0% 153
Mock CCC '23 Contest 1 J4 - String Decryption Mock CCC 5p 16.9% 166
CCC '18 S4 - Balanced Trees CCC 15p 16.9% 576
CCC '13 S4 - Who is Taller? CCC 7 16.8% 1233
Mock CCC '22 Contest 1 J4 - Snowball Fight Mock CCC 5p 16.7% 239
Mock CCC '15 J5 - Royal Guard Mock CCC 10p 16.6% 161
CCC '98 S3 - Mars Rover CCC 7p 16.5% 161
CCC '99 S3 - Divided Fractals CCC 7 16.5% 68
CCC '23 S5 - The Filter CCC 20p 16.3% 88
CCCHK '15 S3 - Symmetric Cross CCC 12p 16.2% 20
Mock CCC '18 Contest 2 J3/S1 - An Array Problem Mock CCC 7p 16.1% 372
CCC '99 S5 - Letter Arithmetic CCC 12 16.0% 77
Mock CCC '22 Contest 2 J5 - Dominating the Olympics Mock CCC 10 16.0% 76
Mock CCC '14 S2 - Sleep Cycle Mock CCC 7p 15.9% 103
Mock CCC '20 Contest 2 S3 - Tree Programming Mock CCC 10p 15.5% 79
Riolku's Mock CCC S2 - Keen Keener Sequence Mock CCC 7p 15.4% 147
CCC '23 S3 - Palindromic Poster CCC 10p 15.4% 420
CCC '99 S2 - Year 2000 CCC 7 14.6% 105
The Contest Contest 1 P2 - A Typical CCC Senior Problem Uncategorized 10p 14.3% 177
TLE '16 Contest 6 (Mock CCC) J3 - Two Kangaroos TLE 5p 14.2% 42
Mock CCC '24 Contest 1 S5 - Mock CCC 2025 Mock CCC 20p 14.2% 18
CCC '18 S3 - RoboThieves CCC 12p 14.1% 1135
CCC '17 S4 - Minimum Cost Flow CCC 17p 14.1% 771
CCC '10 S1 - Computer Purchase CCC 5 14.1% 1326
Mock CCC '23 1 S5 - The Obligatory Data Structures Problem Mock CCC 25p 14.0% 10
CCC '02 S5 - Follow the Bouncing Ball CCC 10 13.8% 190
CCCHK '15 S1 - Finding number of pairs CCC 7p 13.7% 143
CCC '19 S3 - Arithmetic Square CCC 12p 13.6% 501
Mock CCC '22 1 S1 - Big Mattress Tournament Mock CCC 5p 13.4% 206
Mock CCC '24 Contest 1 J3 - RGB Words Mock CCC 5p 13.3% 187
Mock CCC '23 1 S1 - Composite Fibonacci Numbers Mock CCC 5p 13.0% 148
CCC '98 S5 - Mountain Passage CCC 10 13.0% 148
CCC '20 S2 - Escape Room CCC 10p 12.8% 1695
Mock CCC '20 S3 - SAM I Am Mock CCC 10p 12.7% 72
Mock CCC '22 Contest 1 J3 - String Crossing Maximization Mock CCC 7p 12.6% 247
Mock CCC '23 Contest 1 J3 - Pairing Gifts Mock CCC 5p 12.5% 243
CCC '97 S4 - Dynamic Dictionary Coding CCC 5 11.8% 221
Mock CCC '20 Contest 2 S4 - Rotational Arrays Mock CCC 10p 11.8% 61
Riolku's Mock CCC S3 - Mosey's Birthday Mock CCC 12p 11.7% 63