April Challenge 2015
Chef and Interview, Chef and Piano Scales, Broken Telephone
May Challenge 2015
Chef and Prime Divisors, Set Difference , Chef and new recipe
June Challenge 2015
Chef and His Friend, Chef and Memory Limit, Chef and Polygons
July Challenge 2015
Bread, Na2a and lucky stone, Chef and Cube
August Challenge 2015
Gravity Guy, Cooking Machine, Aditi and Magic Trick
September Challenge 2015
Chain of Doughnuts, Count Steps in Matrix
October Challenge 2015
Who dares to be a millionaire, Time measure
December Challenge 2015
Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence
May Cook-Off 2015
Devu and friendship testing
September Lunchtime 2015
Sum of palindromic numbers
January Long Challenge 2016
Churu and Balls, Devu and Perfume, Chef and Time Machine, Rupsa and the Game
March Challenge 2018 DIV 2
Chef and Easy Problem, A Big Sale, Mix the Colors, Chef and Glove, Minion Chef and Bananas
India