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Hot problems

Problem Category Points AC % Users
CCC '05 S5 - Pinball Ranking CCC 12p 19.3% 776
CCC '06 J1 - Canadian Calorie Counting CCC 3p 27.1% 8144
CCC '06 J2 - Roll the Dice CCC 3p 27.4% 3313
CCC '06 J3 - Cell-Phone Messaging CCC 3p 41.8% 1664
CCC '06 J4 - It's tough being a teen! CCC 7p 41.1% 1363
CCC '06 J5 - CCC Othello CCC 10p 36.1% 258
CCC '06 S1 - Maternity CCC 5p 37.1% 1222
CCC '06 S2 - Attack of the CipherTexts CCC 5p 5.9% 335
CCC '06 S3 - Tin Can Telephone CCC 12p 20.5% 580
CCC '06 S4 - Groups CCC 10p 45.4% 360
CCC '06 S5 - Origin of Life CCC 15p 20.1% 136
CCC '07 J1 - Who is in the Middle? CCC 3p 47.2% 10256
CCC '07 J2 - I Speak TXTMSG CCC 3p 22.0% 2559
CCC '07 J3 - Deal or No Deal Calculator CCC 3p 32.3% 3680
CCC '07 J4 - Anagram Checker CCC 5p 37.6% 2382
CCC '07 J5 - Keep on Truckin' CCC 7p 20.4% 1192
CCC '07 S1 - Federal Voting Age CCC 3p 36.3% 2473
CCC '07 S2 - Boxes CCC 5p 27.1% 1309
CCC '07 S3 - Friends CCC 7p 37.4% 1818
CCC '07 S4 - Waterpark CCC 7p 31.5% 1600
CCC '07 S5 - Bowling for Numbers CCC 10p 30.4% 944
CCC '08 J1 - Body Mass Index CCC 3p 34.9% 6016
CCC '08 J2 - Do the Shuffle CCC 3p 42.2% 3894
CCC '08 J3 - GPS Text Entry CCC 3p 55.2% 1513
CCC '08 J4 - From Prefix to Postfix CCC 7p 43.4% 989
CCC '08 S1 - It's Cold Here! CCC 5p 37.7% 2333
CCC '08 S2 - Pennies in the Ring CCC 5p 31.1% 1283
CCC '08 S3 - Maze CCC 7p 29.2% 1691
CCC '08 S4 - Twenty-four CCC 10p 25.4% 1005
CCC '08 S5 - Nukit CCC 10p 37.6% 779
CCC '09 J1 - ISBN CCC 3p 47.3% 4030
CCC '09 J2 - Old Fishin' Hole CCC 5p 38.4% 1829
CCC '09 J3 - Good Times CCC 5p 20.3% 1562
CCC '09 J4 - Signage CCC 7p 28.7% 786
CCC '09 S1 - Cool Numbers CCC 5p 23.1% 2158
CCC '09 S2 - Lights Going On and Off CCC 10p 39.8% 981
CCC '09 S3 - Degrees Of Separation CCC 10p 28.1% 1472
CCC '09 S4 - Shop and Ship CCC 10p 21.1% 1107
CCC '09 S5 - Wireless CCC 12p 35.1% 668
CCC '10 J1 - What is n, Daddy? CCC 3p 29.4% 4190
CCC '10 J2 - Up and Down CCC 5p 22.0% 2269
CCC '10 J3 - Punchy CCC 5p 32.8% 1559
CCC '10 J4 - Global Warming CCC 5p 22.7% 1148
CCC '10 J5 - Knight Hop CCC 7p 36.8% 2617
CCC '10 S1 - Computer Purchase CCC 5p 14.4% 1444
CCC '10 S2 - Huffman Encoding CCC 5p 53.5% 1740
CCC '10 S3 - Firehose CCC 15p 19.3% 757
CCC '10 S4 - Animal Farm CCC 15p 25.4% 564
CCC '10 S5 - Nutrient Tree CCC 20p 19.7% 284
CCC '11 J1 - Which Alien? CCC 3p 36.0% 6864