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Problem Category Points AC % Users
CCC '06 J3 - Cell-Phone Messaging CCC 4 37.7% 524
CCC '06 J4 - It's tough being a teen! CCC 7 42.3% 408
CCC '06 S1 - Maternity CCC 5 38.5% 397
CCC '06 S2 - Attack of the CipherTexts CCC 5 59.5% 714
CCC '06 S3 - Tin Can Telephone CCC 12 17.2% 205
CCC '06 S4 - Groups CCC 10 44.4% 143
CCC '06 S5 - Origin of Life CCC 15p 28.9% 97
CCC '07 J1 - Who is in the Middle? CCC 3 45.0% 2748
CCC '07 J2 - I Speak TXTMSG CCC 3 27.3% 1156
CCC '07 J3 - Deal or No Deal Calculator CCC 3 28.9% 756
CCC '07 J4 - Anagram Checker CCC 5 40.8% 485
CCC '07 J5 - Keep on Truckin' CCC 7 15.8% 323
CCC '07 S1 - Federal Voting Age CCC 5 37.4% 831
CCC '07 S2 - Boxes CCC 5 27.2% 431
CCC '07 S3 - Friends CCC 10 38.5% 614
CCC '07 S4 - Waterpark CCC 10 29.6% 584
CCC '07 S5 - Bowling for Numbers CCC 10p 28.0% 341
CCC '08 J1 - Body Mass Index CCC 3 32.6% 2213
CCC '08 J2 - Do the Shuffle CCC 3 41.0% 778
CCC '08 J3 - GPS Text Entry CCC 3 55.4% 441
CCC '08 J4 - From Prefix to Postfix CCC 7 46.5% 313
CCC '08 S1 - It's Cold Here! CCC 5 53.2% 1141
CCC '08 S2 - Pennies in the Ring CCC 5 26.4% 530
CCC '08 S3 - Maze CCC 10 29.1% 598
CCC '08 S4 - Twenty-four CCC 10 25.9% 170
CCC '08 S5 - Nukit CCC 10p 31.0% 236
CCC '09 J1 - ISBN CCC 3 49.9% 1429
CCC '09 J2 - Old Fishin' Hole CCC 5 40.7% 474
CCC '09 J3 - Good Times CCC 5 20.7% 486
CCC '09 J4 - Signage CCC 7 29.4% 234
CCC '09 S1 - Cool Numbers CCC 5 22.3% 780
CCC '09 S2 - Lights Going On and Off CCC 10 40.6% 369
CCC '09 S3 - Degrees Of Separation CCC 10 28.7% 472
CCC '09 S4 - Shop and Ship CCC 15 18.7% 401
CCC '09 S5 - Wireless CCC 15p 30.4% 257
CCC '10 J1 - What is n, Daddy? CCC 3 31.5% 1574
CCC '10 J2 - Up and Down CCC 5 20.8% 635
CCC '10 J3 - Punchy CCC 5 35.7% 506
CCC '10 J4 - Global Warming CCC 10p 19.8% 417
CCC '10 J5 - Knight Hop CCC 7 38.4% 913
CCC '10 S1 - Computer Purchase CCC 5 18.1% 635
CCC '10 S2 - Huffman Encoding CCC 5 54.7% 548
CCC '10 S3 - Firehose CCC 15p 17.0% 199
CCC '10 S4 - Animal Farm CCC 15p 30.6% 259
CCC '10 S5 - Nutrient Tree CCC 20p 16.7% 128
CCC '11 J1 - Which Alien? CCC 3 33.7% 2339
CCC '11 J2 - Who Has Seen The Wind CCC 5 31.0% 796
CCC '11 J3 - Sumac Sequences CCC 5 39.3% 936
CCC '11 J4 - Boring Business CCC 7 30.8% 483
CCC '11 J5 - Unfriend CCC 7 46.3% 365