October Cook-Off 2014
Walk on the Axis, The Army
September Challenge 2014
Chef and Rainbow Array - 2, Chef and Left-Right, Fun with Rotation
October Challenge 2014
Remy paints the fence, Chef and Ground, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus
November Challenge 2014
Distinct Characters Subsequence
December Challenge 2014
Chef and Apple Trees, Kali and Devtas, Chef and Bracket-Pairs
January Challenge 2015
Chef and A Large Permutation, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries
February Challenge 2015
Chef and Chain, Let us play with rank list, Chef and Equality
May Challenge 2015
Chef and new recipe, Set Difference , Devu and binary String, Chef and Prime Divisors
June Challenge 2015
Chef and Memory Limit, Chef and Polygons
August Challenge 2015
Way Out, Gravity Guy, Devu And Churu , Cooking Machine, Aditi and Magic Trick, Chef and insomnia
September Challenge 2015
Count Steps in Matrix, Cracking the Code, Bank robbery, Nikitosh and xor, Chain of Doughnuts
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire, Spheres, Rupsa and Equilateral Triangle
May Cook-Off 2015
Devu and friendship testing, Devu and decorating birthday cake
August Cook-Off 2015
Chef and the XORed Number , Chef and the Wildcard Matching
India