Problems

Problem search

Point range
Go Random

Hot problems

Problem Category Types Points AC % Users
CCC '97 S5 - Long Division CCC Intermediate Math, String Algorithms 10 10.6% 74
CCC '98 S1 - Censor CCC Regular Expressions, String Algorithms 5 37.5% 1539
CCC '98 S2 - Cross Number Puzzle CCC Simple Math 5 43.1% 513
CCC '98 S3 - Mars Rover CCC Simulation 7p 16.8% 170
CCC '98 S4 - Lottery CCC Recursion, String Algorithms 10 9.8% 98
CCC '98 S5 - Mountain Passage CCC Graph Theory 10 13.2% 157
CCC '99 S1 - Card Game CCC Simulation 5 31.3% 1080
CCC '99 S2 - Year 2000 CCC String Algorithms 7 14.3% 112
CCC '99 S3 - Divided Fractals CCC Simple Math 7 16.9% 76
CCC '99 S4 - A Knightly Pursuit CCC Dynamic Programming, Graph Theory 12 18.5% 366
CCC '99 S5 - Letter Arithmetic CCC Recursion 12 16.8% 81
CCCJQR P1 Seasonal Ad Hoc 0 72.0% 665
CCCJQR P2 Seasonal Ad Hoc 3 20.6% 147
CCCJQR P3 Seasonal Ad Hoc 7 8.7% 168
CCCJQR P4 Seasonal Ad Hoc 0 29.2% 29
CCCJQR P5 Seasonal String Algorithms 15p 20.9% 22
Coin Change Uncategorized Dynamic Programming 7 40.8% 755
CCO '00 P1 - Subsets CCO Graph Theory 10 35.0% 277
CCO '00 P2 - Ransom Note CCO String Algorithms 12p 8.0% 7
CCO '00 P3 - The Game Of 31 CCO Dynamic Programming 15 56.5% 12
CCO '00 P4 - Packet Routing CCO Graph Theory 7 58.1% 65
CCO '00 P5 - Millikan's Oil Droplet Experiment CCO Ad Hoc 7 22.1% 55
CCO '00 P6 - Extension Cords CCO Brute Force, Dynamic Programming, Simple Math 12 17.6% 7
CCO '01 P1 - The Monkey Dance CCO Implementation 10 43.6% 270
CCO '01 P2 - Coke or Chocolate Milk CCO Graph Theory, Implementation 12 17.1% 11
CCO '01 P3 - Partitions CCO Dynamic Programming 12 34.4% 65
CCO '01 P4 - Breaking Level (Standard I/O) CCO Ad Hoc 12 8.4% 42
CCO '01 P5 - Fast Food CCO Implementation, Simple Math 7 10.1% 29
CCO '01 P6 - Election Night CCO Implementation 15 15.2% 47
CCO '02 P1 - Spam CCO Implementation, Intermediate Math 12 44.4% 22
CCO '02 P2 - Game Show Math CCO Dynamic Programming, Simple Math 12 22.0% 44
CCO '02 P3 - Return To Blind Man's Bluff CCO Implementation, Interactive, Recursion 12 12.2% 16
CCO '02 P4 - Duathlon CCO Implementation 10 11.1% 39
CCO '02 P5 - Connect The Campus CCO Graph Theory 12 30.5% 105
CCO '02 P6 - Pit Stop Strategy CCO Dynamic Programming, Simple Math 12 41.4% 9
CCO '03 P1 - BFed CCO Implementation 10 25.6% 62
CCO '03 P2 - Concentration Cards CCO Geometry 15 34.3% 32
CCO '03 P3 - Cube CCO Ad Hoc, Graph Theory 20p 12.5% 15
CCO '03 P4 - Constrained Permutations CCO Brute Force 5 49.0% 165
CCO '03 P5 - Longest Substring CCO Implementation 7p 16.0% 102
CCO '03 P6 - Cheap Gas CCO Dynamic Programming, Graph Theory 20p 13.2% 81
CCO '04 P1 - Scribble CCO Brute Force, Implementation 5 42.4% 129
CCO '04 P2 - Hockey Scores CCO Greedy Algorithms 12 20.9% 68
CCO '04 P3 - S and K CCO Ad Hoc, Data Structures 15p 5.1% 7
CCO '04 P4 - Return of Space Turtle CCO Brute Force, Geometry 12 14.1% 46
CCO '04 P5 - Jengaism CCO Ad Hoc 7 31.8% 116
CCO '04 P6 - Orko CCO Dynamic Programming 15 31.6% 42
CCO '05 P1 - Number Matrix CCO Brute Force, Graph Theory 10 24.1% 165
CCO '05 P2 - The Great Spamway Strike CCO Graph Theory 20 40.8% 44
CCO '05 P3 - That's News To Me CCO Ad Hoc, Implementation, Interactive 20 0.0% 0