January Challenge 2014
Chef and Feedback, Please like me
June Challenge 2014
Chef and Subarray, Guessing Game
October Challenge 2014
Chef and Ground, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus
November Challenge 2014
Chef and Segment Game, Distinct Characters Subsequence
February Challenge 2015
Let us play with rank list, Chef and Equality, Chef and Strings, Chef and Strange Formula, Chef and Chain
March Challenge 2015
Chef and Notebooks, Sign Wave
April Challenge 2015
Chef and Interview, Broken Telephone, Chef and Piano Scales
May Challenge 2015
Chef and new recipe, Set Difference , Chef and Prime Divisors
July Challenge 2015
Na2a and lucky stone, Chef and Cube
October Challenge 2015
Count Subarrays, Who dares to be a millionaire
April Cook-Off 2015
Equality, Version Control System
September Lunchtime 2015
Sum of palindromic numbers
June Challenge 2016
Chef And The Hiring Event, Chef And Binary Operation
July Challenge 2017
Chef and Sign Sequences, Tree Expectancy, Whats in the Name, Calculator , IPC Trainers
August Long Challenge 2017
Chef and Rainbow Array, Greedy Candidates, Palindromic Game, Chef and Mover
September Challenge 2017
Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums
July Cook-Off 2017
Chang and Bitwise OR, Chang and the Perfect Function
