July Challenge 2014
Chef and Rectangle Genome, Count Substrings, Reach The Point
August Challenge 2014
The Leaking Robot, Chef and Gift
September Challenge 2014
Factorisation, Chef and Left-Right, Fun with Rotation
January Challenge 2015
Sereja and Votes, One Dimensional Kingdoms, Chef and Stones
February Challenge 2015
Chef and Chain, Let us play with rank list, Chef and Equality
June Challenge 2015
Chef and Memory Limit, Chef and Polygons
July Challenge 2015
Na2a and lucky stone, Chef and Cube
August Challenge 2015
Aditi and Magic Trick, Gravity Guy, Way Out, Cooking Machine
August Cook-Off 2015
Chef and the XORed Number , Chef and the Wildcard Matching
September Mega Cook-Off 2015
Forgotten Language, Stacks
September Lunchtime 2015
Sum of palindromic numbers
June Challenge 2016
Chef And The Hiring Event, Devu and an Array, Chef and Coins Game, Chef And Binary Operation, Chef and Array and K
March Cook-Off 2016
Digital clock, Alternating subarray prefix
India