September Challenge 2015
Count Steps in Matrix, Bank robbery, Cracking the Code, Chain of Doughnuts
November Challenge 2015
Eugene and function, Chef and cakes
December Challenge 2015
Chef and the stones, Oracle Devu and Longest Common Subsequence
January Long Challenge 2016
Rupsa and the Game, Churu and Balls, Devu and Perfume
April Challenge 2016
Chef And Coloring, Help Watson Escape, Chef And Magical Path
June Challenge 2016
Chef And The Hiring Event, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Devu and an Array
October Challenge 2016
Chef and Keyboard, Chef and Three Dogs, Fenwick Iterations
March Challenge 2017
Xenny and Alternating Tasks, Bear and Extra Number, Bandwidth of a matrix
India