October Challenge 2014
Magical Girl and Colored Liquid Potions, Chef and Ground
September Challenge 2015
Chain of Doughnuts, Count Steps in Matrix, Cracking the Code
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire, Spheres, Rupsa and Equilateral Triangle
September Lunchtime 2015
Sum of palindromic numbers
November Lunchtime 2015
Query over Matrix, Black And White Cells
January Long Challenge 2016
Rupsa and the Game, Churu and Balls, Chef and Time Machine, Devu and Perfume
June Challenge 2016
Chef And The Hiring Event, Chef And Binary Operation
September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
India