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Problem Category Points AC % ▴ Users
CCC '02 S1 - The Students' Council Breakfast CCC 5 39.6% 1498
CCC '02 S2 - Fraction Action CCC 5 19.0% 1885
CCC '07 S2 - Boxes CCC 5 27.5% 1214
CCC '07 S3 - Friends CCC 7 37.5% 1703
CCC '07 S4 - Waterpark CCC 7 30.9% 1502
Mock CCC '15 S3 - The Tachyon Trap Mock CCC 12p 18.4% 65
Mock CCC '15 S5 - Kongou Mock CCC 40p 3.9% 13
Mock CCC '15 J1 - 416 Mock CCC 3p 24.2% 762
Mock CCC '15 J2 - Lowest Exam Mark Mock CCC 5p 11.5% 419
Mock CCC '15 J3 - Problem-setting Pandemonium Mock CCC 3p 59.7% 534
Mock CCC '15 J4 - Vox in Box Mock CCC 7p 18.3% 79
Mock CCC '15 J5 - Royal Guard Mock CCC 10p 16.6% 161
CCC '01 J1 - Dressing Up CCC 3 48.2% 2875
CCC '01 J2 - Mod Inverse CCC 3 42.9% 2538
CCCJQR P1 Seasonal 0 72.6% 642
CCCJQR P2 Seasonal 3 20.8% 134
CCCJQR P3 Seasonal 7 8.7% 158
CCCJQR P4 Seasonal 0 30.1% 29
CCCJQR P5 Seasonal 15p 21.0% 22
CCCHK '15 J1 - Rock-paper-scissors CCC 3 51.7% 854
CCCHK '15 J2 - What is the minimum area? CCC 5 35.7% 267
CCCHK '15 J3 - Queens can't attack me! CCC 5 51.1% 613
CCCHK '15 J4 - Where to build my house? CCC 5 18.0% 270
CCCHK '15 J5 - No friends in the same group. CCC 15p 9.8% 33
CCC '05 S3 - Quantum Operations CCC 10p 34.8% 439
CCC '05 S4 - Pyramid Message Scheme CCC 10 35.7% 819
CCC '01 S4 - Cookies CCC 10 19.2% 418
CCC '05 J4 - Cross Spiral CCC 7p 32.6% 581
CCC '01 S5 - Post's Correspondence Problem CCC 10 28.9% 315
CCC '96 S2 - Divisibility by 11 CCC 7 6.8% 179
CCC '96 S5 - Maximum Distance CCC 7 25.4% 417
CCC '96 S3 - Pattern Generator CCC 5 11.0% 355
CCC '98 S2 - Cross Number Puzzle CCC 5 43.1% 495
CCC '01 S3 - Strategic Bombing CCC 7 38.7% 1458
CCC '01 S1 - Keeping Score CCC 5 32.7% 1504
CCC '01 S2 - Spirals CCC 5 41.2% 912
CCC '02 S3 - Blindfold CCC 15 6.1% 150
CCC '02 S4 - Bridge Crossing CCC 10p 37.2% 888
CCC '02 S5 - Follow the Bouncing Ball CCC 10 13.8% 190
CCC '00 S4 - Golf CCC 7 24.5% 2308
CCC '98 S3 - Mars Rover CCC 7p 16.5% 161
CCC '98 S4 - Lottery CCC 10 9.6% 92
CCC '98 S5 - Mountain Passage CCC 10 13.0% 148
CCC '97 S1 - Sentences CCC 5 29.4% 1021
CCC '97 S2 - Nasty Numbers CCC 5 46.0% 797
CCC '97 S3 - Double Knockout Competition CCC 5 10.3% 169
CCC '97 S4 - Dynamic Dictionary Coding CCC 5 11.8% 221
CCC '97 S5 - Long Division CCC 10 9.9% 65
CCC '99 S1 - Card Game CCC 5 31.3% 1001
CCC '99 S2 - Year 2000 CCC 7 14.6% 105