November Challenge 2013
Square Digit Squares, Uncle Johny, Missing some chairs
December Challenge 2013
Magic Pairs, Rectangular Queries
January Challenge 2014
Please like me, Chef and Feedback
February Cook-Off 2014
Chef and Remissness, Chef and Kingship
May Cook-Off 2014
Divide the Cake, Ups and Downs
February Challenge 2014
Make Him Happy, Longest Common Pattern, Little Elephant and Subarrays, Colored Array, Make It Zero 2
March Challenge 2014
Little Chef and Numbers, Team Split, Walk
April Challenge 2014
Sereja and Permutation, Farmer Feb, Chef and Digits, Shortest Path in Binary Trees
May Challenge 2014
Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, Stone
June Challenge 2014
Chef and Digit Jumps, Forgot Password, Guessing Game, Chef and Subarray, Maxim and Progressions
July Challenge 2014
Chef and Frogs, Count Substrings, Reach The Point, Dish Owner
September Challenge 2015
Count Steps in Matrix, Bank robbery
October Challenge 2015
Who dares to be a millionaire
India