August Challenge 2015
Gravity Guy, Cooking Machine, Aditi and Magic Trick
October Challenge 2015
Count Subarrays, Who dares to be a millionaire
April Cook-Off 2015
Equality, Version Control System
August Cook-Off 2015
Chef and the XORed Number , Chef and the Wildcard Matching
June Challenge 2016
Chef and Coins Game, Devu and an Array, Chef And The Hiring Event, Chef And Binary Operation
October Cook-Off 2016
Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, ChefWatson uses Social Network
January Challenge 2017
Cats and Dogs, Capital Movement
June Challenge 2017
A Good Set, Xenny and Coin Rankings
January Challenge 2018
K-Concatenation, Maximum Score, Rectangle
June Cook-Off 2018 Division 2
Archi and Comparsion, Good Permutations
India