October Cook-Off 2014
Walk on the Axis, The Army
June Challenge 2014
Chef and Subarray, Guessing Game
July Challenge 2014
Count Substrings, Reach The Point
August Challenge 2014
The Leaking Robot, Chef and Gift, Cleaning Tables
September Challenge 2014
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 Square, Chef and Ground, Remy paints the fence, Chef and Painting
November Challenge 2014
Chef and Segment Game, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome
January Challenge 2015
Chef and Stones, Gcd Queries, One Dimensional Kingdoms, Sereja and Votes, Chef and A Large Permutation
February Challenge 2015
Chef and Chain, Chef and Equality
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire, Spheres, Rupsa and Equilateral Triangle
India