July Challenge 2015
Na2a and lucky stone, Chef and Cube, Bread
August Challenge 2015
Way Out, Gravity Guy, Cooking Machine, Aditi and Magic Trick
December Challenge 2015
Chef and the stones, Oracle Devu and Longest Common Subsequence
July Cook-Off 2015
Cops and the Thief Devu, Maximize Disjoint Pair Sum
July Lunchtime 2015
Greedy puppy, Puppy and game
June Challenge 2016
Chef And The Hiring Event, Chef And Binary Operation, Chef and Coins Game, Devu and an Array
February Challenge 2017
Chef and Triangles, Chef and His Apartment Dues
January Cook-Off 2017
Digit Longest Increasing Subsequences 2
June Challenge 2017
A Good Set, Xenny and Coin Rankings, Triplets
India