February Challenge 2015
Let us play with rank list, Chef and Equality, Chef and Chain
April Challenge 2015
Chef and Interview, Broken Telephone, Chef and Piano Scales
May Challenge 2015
Chef and Prime Divisors, Chef and new recipe, Set Difference , Devu and binary String
June Challenge 2015
Steady tables, Chef and His Friend, Chef and Memory Limit, Chef and Polygons
July Challenge 2015
Chef and Cube, Na2a and lucky stone, Bread, Addition and Multiplication, MasterChef
May Cook-Off 2015
Devu and friendship testing, Devu and decorating birthday cake
July Cook-Off 2015
Cops and the Thief Devu, Maximize Disjoint Pair Sum
September Mega Cook-Off 2015
Forgotten Language, Stacks
May Challenge 2016
Chef and math, Chef and Balls, Forest Gathering, Chef and Big Soccer, Laddu
January Challenge 2019 Division 2
Lucky Number Game, Distinct Pairs, Fancy Quotes
India