Problems

Problem search

Point range
Go Random

Hot problems

Problem Category Types Points AC % Users
CCC '09 S4 - Shop and Ship CCC Graph Theory 10 20.9% 1051
CCC '09 S5 - Wireless CCC Data Structures 12p 35.2% 651
CCC '10 J1 - What is n, Daddy? CCC Simple Math 3p 29.4% 4023
CCC '10 J2 - Up and Down CCC Implementation 5 22.0% 2166
CCC '10 J3 - Punchy CCC Implementation 5 33.0% 1478
CCC '10 J4 - Global Warming CCC Implementation 5p 22.7% 1099
CCC '10 J5 - Knight Hop CCC Graph Theory 7 36.7% 2500
CCC '10 S1 - Computer Purchase CCC Simple Math 5 14.3% 1383
CCC '10 S2 - Huffman Encoding CCC String Algorithms 5 53.2% 1674
CCC '10 S3 - Firehose CCC Data Structures, Implementation 15p 18.9% 706
CCC '10 S4 - Animal Farm CCC Graph Theory 15p 25.7% 542
CCC '10 S5 - Nutrient Tree CCC Dynamic Programming 20p 19.8% 276
CCC '11 J1 - Which Alien? CCC Implementation 3 35.7% 6624
CCC '11 J2 - Who Has Seen The Wind CCC Implementation 5 25.7% 2001
CCC '11 J3 - Sumac Sequences CCC Simple Math 5 43.3% 3025
CCC '11 J4 - Boring Business CCC Implementation 7 27.8% 1581
CCC '11 J5 - Unfriend CCC Graph Theory 7 46.8% 1034
CCC '11 S1 - English or French? CCC String Algorithms 5 35.4% 6156
CCC '11 S2 - Multiple Choice CCC Implementation 3 54.7% 6637
CCC '11 S3 - Alice Through the Looking Glass CCC Recursion 10p 36.2% 1240
CCC '11 S4 - Blood Distribution CCC Graph Theory, Greedy Algorithms 15p 8.1% 170
CCC '11 S5 - Switch CCC Graph Theory 12p 17.6% 427
CCC '12 J1 - Speed fines are not fine! CCC Implementation 3p 28.3% 5572
CCC '12 J2 - Sounds fishy! CCC Implementation 3 34.3% 4827
CCC '12 J3 - Icon Scaling CCC Implementation 3 51.0% 3005
CCC '12 J4 - Big Bang Secrets CCC String Algorithms 3 59.2% 2502
CCC '12 S1 - Don't pass me the ball! CCC Simple Math 3 56.3% 2312
CCC '12 S2 - Aromatic Numbers CCC Simple Math 5 53.4% 1770
CCC '12 S3 - Absolutely Acidic CCC Implementation 7 26.7% 1932
CCC '12 S4 - A Coin Game CCC Graph Theory 15 27.0% 475
CCC '12 S5 - Mouse Journey CCC Dynamic Programming 7 45.7% 1875
CCC '13 J1 - Next in line CCC Implementation 3 62.4% 12878
CCC '13 J2 - Rotating letters CCC Implementation 3 45.0% 5051
CCC '13 J4 - Time on task CCC Greedy Algorithms 5 44.7% 3160
CCC '13 S1 - From 1987 to 2013 CCC Implementation 5 46.4% 4125
CCC '13 S2 - Bridge Transport CCC Simple Math 5 26.8% 2118
CCC '13 S3 - Chances of Winning CCC Brute Force 10 41.5% 1416
CCC '13 S4 - Who is Taller? CCC Graph Theory 7 16.8% 1282
CCC '13 S5 - Factor Solitaire CCC Greedy Algorithms, Intermediate Math 15p 42.0% 759
CCC '14 J1 - Triangle Times CCC Implementation 3 32.8% 7846
CCC '14 J2 - Vote Count CCC Implementation 3 44.7% 5630
CCC '14 J3 - Double Dice CCC Implementation 3 56.0% 4706
CCC '14 S1 - Party Invitation CCC Implementation 5 47.0% 3660
CCC '14 S2 - Assigning Partners CCC Implementation 5 33.4% 2962
CCC '14 S3 - The Geneva Confection CCC Implementation 7p 26.3% 2891
CCC '14 S4 - Tinted Glass Window CCC Data Structures, Geometry 15p 29.3% 698
CCC '14 S5 - Lazy Fox CCC Dynamic Programming 20p 18.0% 473
CCC '15 J1 - Special Day CCC Implementation 3 36.7% 8997
CCC '15 J2 - Happy or Sad CCC Implementation 3 37.4% 7593
CCC '15 J3 - Rövarspråket CCC Implementation 5p 38.9% 2398