February Cook-Off 2013
Row and Column Operations, Lack of Logic
March Challenge 2013
Tourist Translations, Approximately
December Challenge 2013
Chef and Codes, Funny Marbles, Magic Pairs, Reign, Rectangular Queries
December Lunchtime 2013
Mike and Task Packages, Mike and Matrices , Perfect Subarrays
March Challenge 2014
Team Split, Binary Tournament, Walk, Little Chef and Numbers
November Challenge 2014
Chef and Segment Game, Distinct Characters Subsequence, Let us construct palindrome
January Lunchtime 2014
Chef and Shop, Chef and String, Chef and Numbers
