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Problem Category Points AC % Users
CCC '00 J1 - Calendar CCC 5p 11.2% 1527
CCC '00 S1 - Slot Machines CCC 5p 27.0% 5071
CCC '01 S1 - Keeping Score CCC 5p 32.9% 1666
CCC '01 S2 - Spirals CCC 5p 40.3% 1004
CCC '02 S1 - The Students' Council Breakfast CCC 5p 39.7% 1638
CCC '02 S2 - Fraction Action CCC 5p 19.4% 2046
CCC '03 S1 - Snakes and Ladders CCC 5p 20.7% 3275
CCC '03 S2 - Poetry CCC 5p 17.6% 1589
CCC '04 J4 - Simple Encryption CCC 5p 50.8% 1871
CCC '04 S1 - Fix CCC 5p 31.6% 1306
CCC '04 S2 - TopYodeller CCC 5p 21.0% 802
CCC '05 J3 - Returning Home CCC 5p 36.6% 2561
CCC '05 S1 - Snow Calls CCC 5p 43.4% 2441
CCC '05 S2 - Mouse Move CCC 5p 37.4% 1806
CCC '06 S1 - Maternity CCC 5p 37.1% 1218
CCC '06 S2 - Attack of the CipherTexts CCC 5p 5.8% 333
CCC '07 J4 - Anagram Checker CCC 5p 37.5% 2364
CCC '07 S2 - Boxes CCC 5p 27.1% 1309
CCC '08 S1 - It's Cold Here! CCC 5p 37.7% 2329
CCC '08 S2 - Pennies in the Ring CCC 5p 31.0% 1282
CCC '09 J2 - Old Fishin' Hole CCC 5p 38.4% 1820
CCC '09 J3 - Good Times CCC 5p 20.3% 1555
CCC '09 S1 - Cool Numbers CCC 5p 23.1% 2157
CCC '10 J2 - Up and Down CCC 5p 22.0% 2264
CCC '10 J3 - Punchy CCC 5p 32.8% 1551
CCC '10 J4 - Global Warming CCC 5p 22.7% 1147
CCC '10 S1 - Computer Purchase CCC 5p 14.4% 1441
CCC '10 S2 - Huffman Encoding CCC 5p 53.5% 1739
CCC '11 J2 - Who Has Seen The Wind CCC 5p 25.9% 2113
CCC '11 J3 - Sumac Sequences CCC 5p 42.8% 3215
CCC '11 S1 - English or French? CCC 5p 35.3% 6443
CCC '12 S2 - Aromatic Numbers CCC 5p 53.7% 1873
CCC '13 J4 - Time on task CCC 5p 44.7% 3334
CCC '13 S1 - From 1987 to 2013 CCC 5p 46.5% 4389
CCC '13 S2 - Bridge Transport CCC 5p 26.7% 2215
CCC '14 S1 - Party Invitation CCC 5p 47.4% 3821
CCC '14 S2 - Assigning Partners CCC 5p 33.5% 3080
CCC '15 J3 - Rövarspråket CCC 5p 38.6% 2552
CCC '15 J4 - Wait Time CCC 5p 38.8% 1476
CCC '15 S2 - Jerseys CCC 5p 27.2% 2138
CCC '16 J3 - Hidden Palindrome CCC 5p 46.2% 2910
CCC '16 J4 - Arrival Time CCC 5p 28.6% 1867
CCC '16 S2 - Tandem Bicycle CCC 5p 53.5% 3828
CCC '17 J4 - Favourite Times CCC 5p 23.6% 1760
CCC '17 S2 - High Tide, Low Tide CCC 5p 27.8% 3107
CCC '18 S2 - Sunflowers CCC 5p 39.8% 3122
CCC '19 J3 - Cold Compress CCC 5p 46.1% 3756
CCC '19 S2 - Pretty Average Primes CCC 5p 26.2% 2613
CCC '20 J4 - Cyclic Shifts CCC 5p 46.0% 2655
CCC '20 S1 - Surmising a Sprinter's Speed CCC 5p 43.2% 2326