Problems

Problem search

Point range
Go Random

Hot problems

Problem Category Points AC % ▴ Users
CCC '96 S4 - When in Rome CCC 10 33.0% 569
CCC '10 J3 - Punchy CCC 5 33.0% 1397
CCC '07 J3 - Deal or No Deal Calculator CCC 3 33.0% 3256
CCC '22 J3 - Harp Tuning CCC 5p 33.2% 1497
CCC '14 S2 - Assigning Partners CCC 5 33.3% 2845
CCC '18 S1 - Voronoi Villages CCC 3p 33.5% 3571
CCC '12 J2 - Sounds fishy! CCC 3 33.8% 4591
CCC '00 S2 - Babbling Brooks CCC 7 34.1% 2535
CCC '16 J2 - Magic Squares CCC 3 34.6% 3251
CCCHK '08 J3 - Phone book CCC 5p 34.6% 625
CCC '05 S3 - Quantum Operations CCC 10p 34.8% 439
CCC '08 J1 - Body Mass Index CCC 3 34.8% 5625
CCC '09 S5 - Wireless CCC 12p 34.8% 622
CCC '11 S1 - English or French? CCC 5 35.5% 5776
CCC '11 J1 - Which Alien? CCC 3 35.6% 6389
CCC '24 S4 - Painting Roads CCC 12p 35.7% 162
CCC '04 J5 - Fractals CCC 10 35.7% 220
CCCHK '15 J2 - What is the minimum area? CCC 5 35.7% 267
CCC '05 S4 - Pyramid Message Scheme CCC 10 35.7% 819
CCC '00 J2 - 9966 CCC 3 35.8% 1958
CCC '06 J5 - CCC Othello CCC 10p 36.0% 228
CCC '11 S3 - Alice Through the Looking Glass CCC 10p 36.0% 1196
CCC '21 J3 - Secret Instructions CCC 5p 36.1% 2536
CCC '07 S1 - Federal Voting Age CCC 3 36.2% 2329
CCC '10 J5 - Knight Hop CCC 7 36.6% 2406
CCC '15 J1 - Special Day CCC 3 36.9% 8389
CCC '15 J2 - Happy or Sad CCC 3 37.1% 7074
CCC '08 S5 - Nukit CCC 10p 37.1% 708
CCC '07 J4 - Anagram Checker CCC 5 37.2% 2129
CCC '05 J3 - Returning Home CCC 5 37.2% 2364
CCC '02 S4 - Bridge Crossing CCC 10p 37.2% 888
CCC '05 S2 - Mouse Move CCC 5 37.3% 1685
CCC '24 J5 - Harvest Waterloo CCC 7p 37.4% 344
CCC '04 J2 - Terms of Office CCC 3 37.4% 3514
CCC '08 S1 - It's Cold Here! CCC 5 37.4% 2179
CCC '06 S1 - Maternity CCC 5 37.5% 1147
CCC '98 S1 - Censor CCC 5 37.5% 1476
CCC '07 S3 - Friends CCC 7 37.5% 1703
CCCHK '08 J1 - Best fish CCC 3 38.1% 805
CCC '23 J3 - Special Event CCC 5p 38.3% 1298
CCC '15 J3 - Rövarspråket CCC 5p 38.5% 2269
CCC '01 S3 - Strategic Bombing CCC 7 38.7% 1458
CCC '09 J2 - Old Fishin' Hole CCC 5 39.1% 1588
CCC '22 S1 - Good Fours and Good Fives CCC 5p 39.4% 2131
CCC '15 J4 - Wait Time CCC 5 39.4% 1314
CCC '18 S2 - Sunflowers CCC 5p 39.4% 2808
CCC '02 S1 - The Students' Council Breakfast CCC 5 39.6% 1498
CCC '18 J1 - Telemarketer or not? CCC 3 40.1% 6893
CCC '09 S2 - Lights Going On and Off CCC 10 40.6% 902
CCC '05 J2 - RSA Numbers CCC 3 40.8% 2979