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Hot problems

Problem Category Points AC % Users
CCC '06 S2 - Attack of the CipherTexts CCC 5p 6.3% 373
CCC '06 S3 - Tin Can Telephone CCC 12p 20.7% 604
CCC '06 S4 - Groups CCC 10p 45.5% 366
CCC '06 S5 - Origin of Life CCC 15p 20.0% 140
CCC '07 J1 - Who is in the Middle? CCC 3p 47.1% 10670
CCC '07 J2 - I Speak TXTMSG CCC 3p 22.4% 2652
CCC '07 J3 - Deal or No Deal Calculator CCC 3p 32.4% 3871
CCC '07 J4 - Anagram Checker CCC 5p 37.9% 2488
CCC '07 J5 - Keep on Truckin' CCC 7p 20.5% 1211
CCC '07 S1 - Federal Voting Age CCC 3p 36.4% 2507
CCC '07 S2 - Boxes CCC 5p 27.0% 1344
CCC '07 S3 - Friends CCC 7p 37.6% 1856
CCC '07 S4 - Waterpark CCC 7p 31.6% 1635
CCC '07 S5 - Bowling for Numbers CCC 10p 30.4% 955
CCC '08 J1 - Body Mass Index CCC 3p 27.0% 4794
CCC '08 J2 - Do the Shuffle CCC 3p 42.2% 4134
CCC '08 J3 - GPS Text Entry CCC 3p 57.4% 1594
CCC '08 J4 - From Prefix to Postfix CCC 7p 43.3% 1022
CCC '08 S1 - It's Cold Here! CCC 5p 37.8% 2363
CCC '08 S2 - Pennies in the Ring CCC 5p 31.2% 1310
CCC '08 S3 - Maze CCC 7p 29.4% 1741
CCC '08 S4 - Twenty-four CCC 10p 25.7% 1122
CCC '08 S5 - Nukit CCC 10p 37.9% 798
CCC '09 J1 - ISBN CCC 3p 47.5% 4144
CCC '09 J2 - Old Fishin' Hole CCC 5p 38.6% 1913
CCC '09 J3 - Good Times CCC 5p 15.9% 1325
CCC '09 J4 - Signage CCC 7p 28.8% 812
CCC '09 S1 - Cool Numbers CCC 5p 23.1% 2197
CCC '09 S2 - Lights Going On and Off CCC 10p 39.6% 1002
CCC '09 S3 - Degrees Of Separation CCC 10p 28.1% 1501
CCC '09 S4 - Shop and Ship CCC 10p 21.1% 1118
CCC '09 S5 - Wireless CCC 12p 35.1% 681
CCC '10 J1 - What is n, Daddy? CCC 3p 29.6% 4301
CCC '10 J2 - Up and Down CCC 5p 22.3% 2361
CCC '10 J3 - Punchy CCC 5p 32.9% 1610
CCC '10 J4 - Global Warming CCC 5p 22.7% 1184
CCC '10 J5 - Knight Hop CCC 7p 36.9% 2674
CCC '10 S1 - Computer Purchase CCC 5p 14.4% 1463
CCC '10 S2 - Huffman Encoding CCC 5p 53.7% 1773
CCC '10 S3 - Firehose CCC 15p 19.4% 798
CCC '10 S4 - Animal Farm CCC 15p 25.6% 577
CCC '10 S5 - Nutrient Tree CCC 20p 19.8% 288
CCC '11 J1 - Which Alien? CCC 3p 36.1% 7070
CCC '11 J2 - Who Has Seen The Wind CCC 5p 26.2% 2224
CCC '11 J3 - Sumac Sequences CCC 5p 42.8% 3331
CCC '11 J4 - Boring Business CCC 7p 27.5% 1697
CCC '11 J5 - Unfriend CCC 7p 46.5% 1115
CCC '11 S1 - English or French? CCC 5p 35.4% 6734
CCC '11 S2 - Multiple Choice CCC 3p 54.4% 7221
CCC '11 S3 - Alice Through the Looking Glass CCC 10p 35.8% 1310