August Challenge 2015
Aditi and Magic Trick, Cooking Machine
October Challenge 2015
Who dares to be a millionaire
January Long Challenge 2016
Rupsa and the Game, Churu and Balls
June Challenge 2016
Chef And The Hiring Event, Chef And Binary Operation, Chef and Coins Game, Devu and an Array
August Challenge 2016
Chef and Chocolate, Chef and Round Run
September Challenge 2016
Chef and Friends, Chef and digits of a number, Faded Palindromes, Chef and calculation
October Challenge 2016
Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs
May Challenge 2017
Chef and Sub Array , Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers
June Challenge 2017
A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets
June Challenge 2020 Division 2
Even Matrix, Chef and Price Control, Chef and String, Chef and Icecream, Operations on a Tuple, The Tom and Jerry Game!
July Challenge 2020 Division 1
Chefina and Swaps, Missing a Point
September Challenge 2020 Division 2
A Problem on Sticks, Ada Matrix
India