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Problem Category Points AC % ▾ Users
CCC '11 S1 - English or French? CCC 5 35.5% 5749
CCCHK '15 J2 - What is the minimum area? CCC 5 35.4% 263
CCC '09 S5 - Wireless CCC 12p 34.8% 621
CCC '08 J1 - Body Mass Index CCC 3 34.8% 5615
CCC '05 S3 - Quantum Operations CCC 10p 34.8% 439
CCC '16 J2 - Magic Squares CCC 3 34.7% 3242
CCCHK '08 J3 - Phone book CCC 5p 34.6% 622
CCC '00 S2 - Babbling Brooks CCC 7 34.1% 2528
CCC '12 J2 - Sounds fishy! CCC 3 33.8% 4580
CCC '18 S1 - Voronoi Villages CCC 3p 33.5% 3555
CCC '22 J3 - Harp Tuning CCC 5p 33.3% 1491
CCC '14 S2 - Assigning Partners CCC 5 33.3% 2841
CCC '07 J3 - Deal or No Deal Calculator CCC 3 33.0% 3246
CCC '10 J3 - Punchy CCC 5 33.0% 1395
CCC '96 S4 - When in Rome CCC 10 33.0% 569
CCC '14 J1 - Triangle Times CCC 3 32.9% 7466
CCC '01 S1 - Keeping Score CCC 5 32.7% 1501
CCC '05 J4 - Cross Spiral CCC 7p 32.6% 577
CCC '22 S5 - Good Influencers CCC 17p 32.6% 185
CCC '04 S1 - Fix CCC 5 32.6% 1197
CCC '04 J1 - Squares CCC 3 32.5% 6122
CCC '96 S1 - Deficient, Perfect, and Abundant CCC 5 32.3% 1892
CCC '23 S1 - Trianglane CCC 5p 31.9% 1705
CCOQR '16 - Stupendous Bowties CCC 10p 31.8% 247
CCC '99 S1 - Card Game CCC 5 31.4% 997
CCC '07 S4 - Waterpark CCC 7 30.9% 1497
CCC '12 J1 - Speed fines are not fine! CCC 3 30.8% 5775
CCC '10 J1 - What is n, Daddy? CCC 3 30.8% 4014
CCC '17 S3 - Nailed It! CCC 7p 30.5% 1717
CCC '08 S2 - Pennies in the Ring CCC 5 30.5% 1182
CCC '17 J3 - Exactly Electrical CCC 3p 29.9% 2370
CCC '07 S5 - Bowling for Numbers CCC 10p 29.9% 864
CCC '16 S1 - Ragaman CCC 3p 29.7% 2295
CCC '20 S5 - Josh's Double Bacon Deluxe CCC 17p 29.6% 257
CCC '97 S1 - Sentences CCC 5 29.4% 1019
CCC '08 S3 - Maze CCC 7 29.3% 1561
CCC '09 J4 - Signage CCC 7 29.2% 684
CCC '14 S4 - Tinted Glass Window CCC 15p 29.2% 672
CCC '16 J4 - Arrival Time CCC 5 29.0% 1675
CCC '21 S2 - Modern Art CCC 7p 29.0% 2249
CCC '01 S5 - Post's Correspondence Problem CCC 10 28.9% 315
CCC '16 S4 - Combining Riceballs CCC 15p 28.7% 932
CCC '03 J1 - Trident CCC 3 28.6% 2321
CCC '22 S4 - Good Triplets CCC 15p 28.5% 310
CCC '09 S3 - Degrees Of Separation CCC 10 28.0% 1344
CCC '17 S2 - High Tide, Low Tide CCC 5 27.9% 2839
CCC '11 J4 - Boring Business CCC 7 27.8% 1505
CCC '03 S3 - Floor Plan CCC 7 27.8% 1950
CCC '07 S2 - Boxes CCC 5 27.6% 1209
CCC '15 J5 - π-day CCC 10p 27.5% 1461