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Problem Category Points AC % ▾ Users
CCC '14 J2 - Vote Count CCC 3 44.5% 5362
CCC '11 J3 - Sumac Sequences CCC 5 43.3% 2867
CCC '05 S1 - Snow Calls CCC 5 43.3% 2276
CCC '08 J2 - Do the Shuffle CCC 3 43.2% 3411
CCC '98 S2 - Cross Number Puzzle CCC 5 43.1% 494
CCC '01 J2 - Mod Inverse CCC 3 42.9% 2525
CCC '20 J3 - Art CCC 3p 42.9% 2357
CCC '20 S1 - Surmising a Sprinter's Speed CCC 5p 42.9% 2048
CCC '13 S5 - Factor Solitaire CCC 15p 42.8% 732
CCC '08 J4 - From Prefix to Postfix CCC 7 42.8% 887
CCC '06 J4 - It's tough being a teen! CCC 7 41.5% 1241
CCC '06 J3 - Cell-Phone Messaging CCC 3 41.3% 1464
CCC '16 J1 - Tournament Selection CCC 3 41.2% 4701
CCC '01 S2 - Spirals CCC 5 41.2% 911
CCC '13 S3 - Chances of Winning CCC 10 41.1% 1363
CCC '05 J2 - RSA Numbers CCC 3 40.8% 2974
CCC '09 S2 - Lights Going On and Off CCC 10 40.5% 897
CCC '18 J1 - Telemarketer or not? CCC 3 40.1% 6850
CCC '18 S2 - Sunflowers CCC 5p 39.6% 2805
CCC '02 S1 - The Students' Council Breakfast CCC 5 39.5% 1495
CCC '15 J4 - Wait Time CCC 5 39.4% 1311
CCC '22 S1 - Good Fours and Good Fives CCC 5p 39.4% 2125
CCC '09 J2 - Old Fishin' Hole CCC 5 39.1% 1584
CCC '01 S3 - Strategic Bombing CCC 7 38.6% 1454
CCC '15 J3 - Rövarspråket CCC 5p 38.5% 2261
CCC '23 J3 - Special Event CCC 5p 38.2% 1267
CCCHK '08 J1 - Best fish CCC 3 38.0% 801
CCC '98 S1 - Censor CCC 5 37.6% 1471
CCC '07 S3 - Friends CCC 7 37.5% 1697
CCC '06 S1 - Maternity CCC 5 37.5% 1146
CCC '08 S1 - It's Cold Here! CCC 5 37.4% 2173
CCC '04 J2 - Terms of Office CCC 3 37.4% 3512
CCC '24 J5 - Harvest Waterloo CCC 7p 37.4% 328
CCC '05 S2 - Mouse Move CCC 5 37.2% 1684
CCC '05 J3 - Returning Home CCC 5 37.2% 2358
CCC '08 S5 - Nukit CCC 10p 37.2% 705
CCC '07 J4 - Anagram Checker CCC 5 37.2% 2122
CCC '02 S4 - Bridge Crossing CCC 10p 37.2% 883
CCC '15 J2 - Happy or Sad CCC 3 37.1% 7041
CCC '15 J1 - Special Day CCC 3 36.8% 8347
CCC '10 J5 - Knight Hop CCC 7 36.6% 2403
CCC '24 S4 - Painting Roads CCC 12p 36.4% 155
CCC '07 S1 - Federal Voting Age CCC 3 36.2% 2324
CCC '21 J3 - Secret Instructions CCC 5p 36.1% 2506
CCC '11 S3 - Alice Through the Looking Glass CCC 10p 36.1% 1194
CCC '06 J5 - CCC Othello CCC 10p 36.0% 228
CCC '00 J2 - 9966 CCC 3 35.8% 1951
CCC '05 S4 - Pyramid Message Scheme CCC 10 35.7% 816
CCC '04 J5 - Fractals CCC 10 35.7% 220
CCC '11 J1 - Which Alien? CCC 3 35.6% 6372