September Challenge 2015
Chain of Doughnuts, Count Steps in Matrix
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire
May Cook-Off 2015
Devu and friendship testing
March Challenge 2016
Palindromic substrings, maximize the sum
June Challenge 2016
Chef And The Hiring Event, Chef And Binary Operation, Chef and Coins Game, Devu and an Array
September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
July Lunchtime 2016
Drumpf for President!, Lumpy - The Bus Driver
August Long Challenge 2017
Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates
December Challenge 2017
Chef And his Cake, Penalty Shoot-out
January Challenge 2018
K-Concatenation, Maximum Score, Rectangle
India