October Challenge 2014
Magical Girl and Colored Liquid Potions, Chef and Ground
January Challenge 2015
Chef and Stones, Sereja and Votes
February Challenge 2015
Chef and Chain, Let us play with rank list, Chef and Equality
April Challenge 2015
Chef and Interview, Broken Telephone, Chef and Piano Scales
June Challenge 2015
Chef and Memory Limit, Chef and Polygons
August Challenge 2015
Chef and insomnia, Aditi and Magic Trick, Devu And Churu , Gravity Guy, Way Out, Cooking Machine
November Challenge 2015
Eugene and function, Simple Sum, Chef and cakes
December Challenge 2015
Plane Division, Oracle Devu and Longest Common Subsequence, Chef and the stones
August Cook-Off 2015
Chef and the XORed Number , Chef and the Wildcard Matching
November Cook-Off 2015
Sereja and Array and Subtracting
July Lunchtime 2015
Greedy puppy, Puppy and game
India