May Challenge 2015
Set Difference , Chef and new recipe, Chef and Prime Divisors
June Challenge 2015
Chef and Memory Limit, Chef and Polygons
August Challenge 2015
Way Out, Gravity Guy, Cooking Machine, Aditi and Magic Trick
November Challenge 2015
Chef and cakes, Eugene and function
May Cook-Off 2015
Devu and friendship testing
January Long Challenge 2016
Rupsa and the Game, Churu and Balls, Chef and Time Machine
February Challenge 2016
Sereja and Two Lines, Chef-Detective
June Challenge 2016
Chef And The Hiring Event, Devu and an Array, Chef and Coins Game, Chef and Array and K, Chef And Binary Operation
October Challenge 2016
Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs, Chef and Two String
February Challenge 2017
Chef and Triangles, Chef and His Apartment Dues
March Challenge 2017
Bear and Extra Number, Bandwidth of a matrix, Xenny and Alternating Tasks
May Challenge 2017
Chef and Sub Array , Long Sandwich , Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers, Chef and Subsequences
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