January Challenge 2015
Sereja and Votes, Chef and Stones
April Challenge 2015
Chef and Interview, Broken Telephone, Chef and Piano Scales
May Challenge 2015
Set Difference , Chef and new recipe
June Challenge 2015
Chef and Memory Limit, Chef and Polygons
July Challenge 2015
Bread, Chef and Cube, Na2a and lucky stone
August Challenge 2015
Way Out, Gravity Guy, Cooking Machine, Aditi and Magic Trick
September Challenge 2015
Cracking the Code, Lighthouses, Count Steps in Matrix, Chain of Doughnuts, Bank robbery
August Cook-Off 2015
Chef and the XORed Number , Chef and the Wildcard Matching
September Mega Cook-Off 2015
Forgotten Language, Stacks
June Challenge 2016
Chef and Array and K, Devu and an Array, Chef and cities, Chef and Coins Game, Chef And Binary Operation, Chef and Rectangle Array, Chef And The Hiring Event
November Challenge 2016
Count Permutations, Gift and Chef
September Cook-Off 2016
Lazy Jem, The Lost Arithmetic Sequences
India