April Challenge 2015
Broken Telephone, Chef and Interview
September Challenge 2015
Chain of Doughnuts, Count Steps in Matrix
May Cook-Off 2015
Devu and friendship testing
June Challenge 2016
Chef and Coins Game, Devu and an Array, Chef And The Hiring Event
March Challenge 2017
Xenny and Alternating Tasks, Bear and Extra Number
September Challenge 2017
Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums
September Challenge 2020 Division 2
A Problem on Sticks, Coronavirus Spread 2
India