July Challenge 2014
Reach The Point, Count Substrings
August Challenge 2014
Cleaning Tables, Chef and Gift
September Challenge 2014
Factorisation, Chef and Rainbow Array - 2, Chef and Left-Right, Fun with Rotation
October Challenge 2014
DevuLand, Dinosaurs and Laddus, Magical Girl and Colored Liquid Potions, Chef and Painting, Chef and Ground, Remy paints the fence
November Challenge 2014
Distinct Characters Subsequence
January Challenge 2015
Sereja and Number Division 2, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms
February Challenge 2015
Let us play with rank list, Chef and Equality, Chef and Strings, Chef and Strange Formula, Chef and Chain, Chef and Complex String Coverage
April Challenge 2015
Chef and Interview, Broken Telephone, Chef and Piano Scales
June Challenge 2015
Chef and Memory Limit, Chef and Polygons
July Challenge 2015
Bread, Na2a and lucky stone, Chef and Cube
August Challenge 2015
Cooking Machine, Aditi and Magic Trick
September Challenge 2015
Chain of Doughnuts, Count Steps in Matrix
October Challenge 2015
Count Subarrays, Who dares to be a millionaire, Spheres, Rupsa and Equilateral Triangle
July Cook-Off 2015
Cops and the Thief Devu, Maximize Disjoint Pair Sum
August Cook-Off 2015
Chef and the XORed Number , Chef and the Wildcard Matching
India