September 2010 Challenge
Brush Fire, Cake Production Line
April Long Contest
Gravel, Number Game Revisited, Graphs in Euclidean Space, Rectangles Counting
September Long Contest
Younger Brother, BIT Magazine
September Cook-off
Last Digit Sum, Hotel Bytelandia
December 2011 Long Contest
Birthday Gift, Robot Movings
February 2012 Challenge
Lucky Count, Lucky Long, Smart Chef vs Evil Chef, Word Couting, Count of Maximum
March 2012 Challenge
Free Shuttle Service, Home Delivery, Spoon in Matrix
April Challenge 2012
Similar Graphs, Greatest Dumpling Fight, Stacking Pancakes, Fit to Play, Parallel Computing, Double Strings
May Challenge 2012
Little Elephant and Median, Jewels and Stones, Lucky lucky number, Divisible Pairs, Remember the recipe, A Home for Chef
June Challenge 2012
Little Elephant and Candies, Doom Bakes Cakes, Arranging Cup-cakes
December Challenge 2012
Magic Rankings, Pizza Delivery, The Uncountable Ways, Book Exercises, Granama Recipes
March Challenge 2013
Random decreasing function, Tourist Translations, Festivals, Approximately, Fire Escape Routes, Minesweeper
April Challenge 2013
Little Elephant and Music, ChefGame, Kingdom Unity, Maximum Weight Difference, Levy Conjecture
