October 2009 (Contest IX)
Paragraph Formatting, A puzzle game, Forces in the crystal, Just a simple sum
March 2010 Contest
Treasure Hunting, K-important Strings, The Best Tower, Tri-Hexagonal Puzzle
May 2010 Contest
Summing Slopes, Rendezvous, Nice Quadrangles
June 2010 Contest
Graph Counting, Pricing Tollbooths, Robot Game, Prime Pattern, Squirrel and chestnut
July 2010
Closest Ranking, Happy Days, Maximal crosses, Rearranging Digits, Block Tower
August 2010 Challenge
Optimizing Production and Sales, Exit code, Obstacle Course
September 2010 Challenge
Multiples of 3, Brush Fire
October 2010 Challenge
Logging Game, Count palindromes, Integer Combinations Of Vectors
November 2010 Challenge
Randomly Testing Circuits, Bombing, Balanced Walks
The December 2010 Cook-Off
Preparing Dishes, The Morning Commute, Pairing Chefs
February 2011 Contest
Bogosort, Milestones, Glass Measurement
May Long Contest 2011
Tree Product, The Great Wall of Byteland
June Long Contest 2011
Maximal Score Path, Chef Teams
July Challenge 2012
Chef's Dream, My Fair Coins, The Gray-Similar Code, Little Elephant and Bubble Sort, Gift Rift, Restaurant Rating
