October Cook-Off 2014
The Army, Walk on the Axis
June Challenge 2014
Chef and Subarray, Guessing Game, Forgot Password
July Challenge 2014
Chef and Frogs, Reach The Point, Count Substrings, Chef and Rectangle Genome
August Challenge 2014
The Leaking Robot, Cleaning Tables, Chef and Gift
September Challenge 2014
Fun with Rotation, Chef and sequence, Chef and Rainbow Array - 2, Factorisation, Chef and Left-Right
October Challenge 2014
Remy paints the fence, Chef and Ground, Chef and Painting, Chef and Square, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus
November Challenge 2014
Chef and Red Black Tree, The Spelling Problem, Let us construct palindrome, Distinct Characters Subsequence, Chef and Segment Game
January Challenge 2015
Queries on the String, Sereja and Number Division 2, Chef and A Large Permutation, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries
India