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Problem Category Points AC % Users
CCCJQR P2 Seasonal 3 20.5% 148
CCCJQR P3 Seasonal 7 8.6% 168
CCCJQR P4 Seasonal 0 28.4% 29
CCCJQR P5 Seasonal 15p 20.9% 22
CCCHK '08 J1 - Best fish CCC 3 38.9% 866
CCCHK '08 J2 - Lucky Number CCC 3 26.5% 900
CCCHK '08 J3 - Phone book CCC 5p 35.0% 692
CCCHK '08 J4 - Tic-tac-toe CCC 5p 11.9% 122
CCCHK '15 J1 - Rock-paper-scissors CCC 3 51.8% 887
CCCHK '15 J2 - What is the minimum area? CCC 5 35.4% 282
CCCHK '15 J3 - Queens can't attack me! CCC 5 51.0% 654
CCCHK '15 J4 - Where to build my house? CCC 5 18.5% 289
CCCHK '15 J5 - No friends in the same group. CCC 15p 9.7% 33
CCCHK '15 S1 - Finding number of pairs CCC 7p 14.8% 176
CCCHK '15 S2 - Matching Problem CCC 10p 6.6% 27
CCCHK '15 S3 - Symmetric Cross CCC 12p 18.0% 27
CCCHK '15 S4 - When to meet? CCC 15p 20.0% 13
CCCHK '15 S5 - Can I pass the courses? CCC 25p 4.6% 6
Mock CCC '20 Contest 1 J1 - A Rage Tree Problem Mock CCC 3p 48.2% 863
Mock CCC '20 Contest 1 J2 - A Simplex Problem Mock CCC 3p 52.6% 639
Mock CCC '20 Contest 1 J3 - A Geometry Problem Mock CCC 3p 9.2% 303
Mock CCC '20 Contest 1 J4 - A Binary Problem Mock CCC 5p 11.8% 220
Mock CCC '20 Contest 1 J5 - A Prime Problem Mock CCC 12p 2.9% 23
Mock CCC '20 S1 - War Mock CCC 3p 29.8% 489
Mock CCC '20 S2 - Flipper Redux Mock CCC 7p 26.9% 309
Mock CCC '20 S3 - SAM I Am Mock CCC 10p 12.3% 72
Mock CCC '20 S4 - Valentine's Day Shopping Mock CCC 20p 7.9% 15
Mock CCC '20 Contest 2 S1 - Arithmetic Hybercube Mock CCC 3p 53.8% 430
Mock CCC '20 Contest 2 S2 - 4D BBST on a DP Mock CCC 5p 28.2% 295
Mock CCC '20 Contest 2 S3 - Tree Programming Mock CCC 10p 15.5% 83
Mock CCC '20 Contest 2 S4 - Rotational Arrays Mock CCC 10p 11.8% 62
Mock CCC '20 Contest 2 S5 - Sticks Mock CCC 20p 2.2% 4
Mock CCC '22 Contest 1 J1 - Square Root Decomposition Mock CCC 3 39.7% 695
Mock CCC '22 Contest 1 J2 - Biking and Hiking Mock CCC 3 34.5% 569
Mock CCC '22 Contest 1 J3 - String Crossing Maximization Mock CCC 7p 12.3% 252
Mock CCC '22 Contest 1 J4 - Snowball Fight Mock CCC 5p 16.8% 243
Mock CCC '22 Contest 1 J5 - New Year's Restrictions Mock CCC 7p 24.9% 146
Mock CCC '22 Contest 2 J1 - Opening Ceremony Mock CCC 3 47.7% 759
Mock CCC '22 Contest 2 J2 - Snowboarding Championship Mock CCC 3 35.7% 610
Mock CCC '22 Contest 2 J3 - Figure Skating Fun Mock CCC 5p 31.2% 498
Mock CCC '22 Contest 2 J4 - Hockey Bracket Mock CCC 7p 18.3% 194
Mock CCC '22 Contest 2 J5 - Dominating the Olympics Mock CCC 10 15.8% 90
Mock CCC '23 Contest 1 J1 - Final Velocity Mock CCC 3 65.3% 832
Mock CCC '23 Contest 1 J2 - Healthy Schedule Mock CCC 3 37.5% 627
Mock CCC '23 Contest 1 J3 - Pairing Gifts Mock CCC 5p 12.8% 269
Mock CCC '23 Contest 1 J4 - String Decryption Mock CCC 5p 17.0% 170
Mock CCC '23 Contest 1 J5 - Calculus Problem Mock CCC 12p 10.1% 43
Mock CCC '24 Contest 1 J1 - Lemon Bathtub Mock CCC 3 59.0% 588
Mock CCC '24 Contest 1 J2 - Simple Elo Rating System Mock CCC 3 32.7% 247
Mock CCC '24 Contest 1 J3 - RGB Words Mock CCC 5p 12.7% 204