September 2010 Challenge
Brush Fire, Cake Production Line
October 2010 Challenge
Integer Combinations Of Vectors
November 2010 Challenge
Randomly Testing Circuits, Bombing
The November CookOff
One Dimensional Game of Life, Cutting Recipes
September Long Contest
Younger Brother, BIT Magazine
December 2011 Long Contest
Spinning Wheels, Robot Movings, Birthday Gift
June Challenge 2012
Little Elephant and Candies, Arranging Cup-cakes
October Challenge 2012
Fierce Battles, Event Organizer, The New Scheme
May Challenge 2014
Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, Stone
June Challenge 2014
Chef and Subarray, Forgot Password, Guessing Game
July Challenge 2014
Garden Game, Chef and Frogs, Chef and Rectangle Genome, Count Substrings, Reach The Point, Dish Owner
September Challenge 2014
Factorisation, Chef and Rainbow Array - 2, Chef and Left-Right, Fun with Rotation
October Challenge 2014
Chef and Ground, DevuLand, Dinosaurs and Laddus, Magical Girl and Colored Liquid Potions, Chef and Square, Chef and Painting, Sereja and two strings, Remy paints the fence
January Challenge 2020 Division 2
Chef and Dynamo, Doraemon, Doofish Matrix, Equality, Chefina and Prefix Suffix Sums, English, Breaking Bricks, (Challenge) Building Anthills
