August Challenge 2014
The Leaking Robot, Chef and Gift
November Challenge 2014
Distinct Characters Subsequence
January Challenge 2015
Chef and Stones, Sereja and Votes
February Challenge 2015
Let us play with rank list
May Challenge 2015
Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe
June Challenge 2015
Steady tables, Chef and Memory Limit, Chef and Polygons
August Challenge 2015
Aditi and Magic Trick, Cooking Machine, Way Out, Gravity Guy
October Challenge 2015
Count Subarrays, Who dares to be a millionaire, Spheres, Rupsa and Equilateral Triangle
August Cook-Off 2015
Chef and the XORed Number , Chef and the Wildcard Matching
January Long Challenge 2016
Rupsa and the Game, Devu and Perfume, Chef and Time Machine, Churu and Balls
March Challenge 2016
Palindromic substrings, maximize the sum, Chef And Special Dishes
India