March 2010 Contest
Treasure Hunting, K-important Strings, The Best Tower, Tri-Hexagonal Puzzle
January 2011 Challenge
Chess Pushing Game, Flu Shot Lineup, Splitting Giant Subs, Count Relations
April Long Contest
Gravel, Number Game Revisited, Rectangles Counting
May Long Contest 2011
Tree Product, The Great Wall of Byteland
July Cook-off 2011
Misinterpretation, Garden Squares
October Long Contest 2011
Dish Distribution, Repeated String, Lucky Palin
February 2012 Challenge
Lucky Count, Count of Maximum, Lucky Long, Word Couting
March 2012 Challenge
Tom And Jerry, Longest Weird Subsequence, Cosine Partition Function, Lucky Number, Free Shuttle Service, Home Delivery, Spoon in Matrix, Xor it
April Challenge 2012
PDS Number, Similar Graphs, Greatest Dumpling Fight, Stacking Pancakes, Double Strings, Fit to Play, Parallel Computing, Lucky Array
May Challenge 2012
Jewels and Stones, Lucky lucky number, A Home for Chef
