November Cook-Off 2012
Little Elephant and Divisors, Little Elephant and Permutations
December Challenge 2012
Granama Recipes, Book Exercises, Magic Rankings, Pizza Delivery
December Cook-Off 2012
Packaging Cupcakes, Reversing directions
January Challenge 2013
End Of The World, Three Different Numbers, Chef of the Year, A Fence for Byteland, The Minimum Number Of Moves, Dividing Products, Little Elephant and Alcohol
January Cook-Off 2013
Minimum Distance, Many Chefs
February 2013 Challenge
Little Elephant and Cards, Buy1-Get1, Climbing Stairs
February Cook-Off 2013
Row and Column Operations
September Challenge 2013
CAO Stage-2, CAO Stage-1, Cool Guys, Little Elephant and Exams, Chef and Integers
October Challenge 2013
Little Elephant and Bamboo, Helping Lira, Maxim and Dividers, Sereja and Transformation, CAO Stage-3, Yet Another Nice Girl, Kamehameha
November Challenge 2013
Missing some chairs, Square Digit Squares, Uncle Johny, Yet Another Cute Girl, Superpowers of 2
December Challenge 2013
Chef and Codes, Funny Marbles, Magic Pairs, Reign, Rectangular Queries
June Challenge 2014
Chef and Subarray, Guessing Game
January Challenge 2015
Chef and A Large Permutation, Sereja and LCM, Chef and Stones, Sereja and Votes, Xor Queries, Gcd Queries
