Problems

Problem search

GoRandom

Hot problems

Problem Category Points AC % Users
CCC '08 S5 - Nukit CCC 12p 28.3% 78
CCC '09 J1 - ISBN CCC 3 46.2% 407
CCC '09 J2 - Old Fishin' Hole CCC 5 36.5% 132
CCC '09 J3 - Good Times CCC 5 19.4% 133
CCC '09 J4 - Signage CCC 7 30.1% 56
CCC '09 J5 - Degrees Of Separation CCC 10 25.5% 114
CCC '09 S1 - Cool Numbers CCC 5 21.2% 219
CCC '09 S2 - Lights Going on and Off CCC 10 45.1% 57
CCC '09 S4 - Shop and Ship CCC 15 9.6% 82
CCC '09 S5 - Wireless CCC 15p 23.5% 93
CCC '10 J1 - What is n, Daddy? CCC 3 34.6% 436
CCC '10 J2 - Up and Down CCC 5 20.9% 144
CCC '10 J3 - Punchy CCC 5 39.4% 125
CCC '10 J4 - Global Warming CCC 10p 19.1% 107
CCC '10 J5 - Knight Hop CCC 10 41.1% 191
CCC '10 S1 - Computer Purchase CCC 5 14.9% 124
CCC '10 S2 - Huffman Encoding CCC 5 59.9% 97
CCC '10 S3 - Firehose CCC 15p 11.7% 65
CCC '10 S4 - Animal Farm CCC 15p 26.0% 61
CCC '10 S5 - Nutrient Tree CCC 20p 16.0% 43
CCC '11 J1 - Which Alien? CCC 3 36.6% 606
CCC '11 J2 - Who Has Seen The Wind CCC 5 30.3% 223
CCC '11 J3 - Sumac Sequences CCC 5 41.6% 203
CCC '11 J4 - Boring Business CCC 7 33.5% 110
CCC '11 J5 - Unfriend CCC 7 48.9% 83
CCC '11 S1 - English or French? CCC 5 41.6% 307
CCC '11 S2 - Multiple Choice CCC 5 66.5% 353
CCC '11 S3 - Alice Through the Looking Glass CCC 10p 33.2% 99
CCC '11 S4 - Blood Distribution CCC 10 35.7% 83
CCC '11 S5 - Switch CCC 12p 11.5% 60
CCC '12 J1 - Speed fines are not fine! CCC 3 28.5% 613
CCC '12 J2 - Sounds fishy! CCC 3 32.2% 421
CCC '12 J3 - Icon Scaling CCC 3 63.6% 306
CCC '12 J4 - Big Bang Secrets CCC 3 60.9% 188
CCC '12 S1 - Don't pass me the ball! CCC 3 57.7% 236
CCC '12 S2 - Aromatic Numbers CCC 5 52.1% 122
CCC '12 S3 - Absolutely Acidic CCC 7 17.4% 119
CCC '12 S4 - A Coin Game CCC 15 17.9% 41
CCC '12 S5 - Mouse Journey CCC 10 37.9% 170
CCC '13 J1 - Next in line CCC 3 71.3% 789
CCC '13 J2 - Rotating letters CCC 5 45.3% 353
CCC '13 J3 - From 1987 to 2013 CCC 5 42.3% 244
CCC '13 J4 - Time on task CCC 5 54.4% 200
CCC '13 S2 - Bridge Transport CCC 5 22.2% 157
CCC '13 S3 - Chances of Winning CCC 12 45.1% 98
CCC '13 S4 - Who is Taller? CCC 10 17.4% 142
CCC '13 S5 - Factor Solitaire CCC 15p 39.3% 85
CCC '14 J1 - Triangle Times CCC 3 31.6% 701
CCC '14 J2 - Vote Count CCC 3 45.1% 514
CCC '14 J3 - Double Dice CCC 3 62.1% 344