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Problem Category Points AC % ▴ Users
CCC '19 J5 - Rule of Three CCC 20p 0.7% 7
CCC '20 J4 - Cyclic Shifts (Hard) CCC 12p 3.8% 36
CCC '00 S5 - Sheep and Coyotes CCC 10p 4.1% 175
CCCHK '15 S2 - Matching Problem CCC 10p 4.9% 14
CCC '06 S2 - Attack of the CipherTexts CCC 5 5.1% 235
CCC '02 J1 - 0123456789 CCC 3 5.4% 720
CCCHK '15 S5 - Can I pass the courses? CCC 25p 5.4% 6
CCC '20 S2 - Escape Room (Hard) CCC 15p 5.6% 55
CCC '00 S5 - Sheep and Coyotes (Hard) CCC 20 5.6% 21
CCC '02 S3 - Blindfold CCC 15 6.1% 150
CCC '96 S2 - Divisibility by 11 CCC 7 6.8% 179
CCC '19 S4 - Tourism CCC 20p 7.7% 248
CCC '11 S4 - Blood Distribution CCC 15p 7.7% 155
CCC '03 S4 - Substrings CCC 15p 7.7% 370
CCC '05 J1 - The Cell Sell CCC 3 8.0% 1450
CCC '01 S2 - Spirals (Exact Version) CCC 7 8.3% 105
CCC '02 S4 - Bridge Crossing (Hard) CCC 20 8.6% 32
CCC '20 S3 - Searching for Strings CCC 12p 8.9% 840
CCC '98 S4 - Lottery CCC 10 9.6% 92
CCCHK '15 J5 - No friends in the same group. CCC 15p 9.8% 33
CCC '24 S5 - Chocolate Bar Partition CCC 20p 9.9% 20
CCC '97 S5 - Long Division CCC 10 9.9% 65
CCC '97 S3 - Double Knockout Competition CCC 5 10.1% 158
CCCHK '08 J4 - Tic-tac-toe CCC 5p 10.5% 101
CCC '96 S3 - Pattern Generator CCC 5 10.7% 342
CCC '00 J1 - Calendar CCC 5 11.1% 1351
CCC '97 S4 - Dynamic Dictionary Coding CCC 5 11.8% 218
CCC '20 S2 - Escape Room CCC 10p 12.8% 1690
CCC '98 S5 - Mountain Passage CCC 10 13.0% 148
CCC '19 S3 - Arithmetic Square CCC 12p 13.6% 500
CCCHK '15 S1 - Finding number of pairs CCC 7p 13.7% 142
CCC '02 S5 - Follow the Bouncing Ball CCC 10 13.8% 190
CCC '10 S1 - Computer Purchase CCC 5 14.0% 1316
CCC '17 S4 - Minimum Cost Flow CCC 17p 14.1% 770
CCC '18 S3 - RoboThieves CCC 12p 14.2% 1133
CCC '99 S2 - Year 2000 CCC 7 14.6% 105
CCC '23 S3 - Palindromic Poster CCC 10p 15.4% 420
CCCHK '15 S3 - Symmetric Cross CCC 12p 15.8% 19
CCC '99 S5 - Letter Arithmetic CCC 12 16.0% 77
CCC '23 S5 - The Filter CCC 20p 16.3% 86
CCC '99 S3 - Divided Fractals CCC 7 16.5% 68
CCC '98 S3 - Mars Rover CCC 7p 16.5% 161
CCC '13 S4 - Who is Taller? CCC 7 16.8% 1227
CCC '18 S4 - Balanced Trees CCC 15p 16.8% 574
CCC '03 S2 - Poetry CCC 5 17.3% 1453
CCC '03 S5 - Trucking Troubles CCC 10p 17.5% 681
CCC '00 S3 - Surfing CCC 7 17.5% 620
CCCHK '15 J4 - Where to build my house? CCC 5 17.5% 247
CCC '14 S5 - Lazy Fox CCC 20p 17.8% 454
CCC '24 S3 - Swipe CCC 10p 17.8% 165