August Challenge 2015
Cooking Machine, Aditi and Magic Trick, Gravity Guy
September Challenge 2015
Chain of Doughnuts, Count Steps in Matrix
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire
August Challenge 2016
Fighting Ebola, Chef and Circle Run, Chef and Chocolate, Chef and Round Run
September Challenge 2016
Dividing Machine, Chef and calculation, Faded Palindromes, Chef and digits of a number, Chef and Friends
August Cook-Off 2016
Tweedle-Dee and Tweedle-Dum
January Challenge 2018
K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers
India