August Challenge 2014
The Leaking Robot, Cleaning Tables, Chef and Gift
September Challenge 2014
Factorisation, Chef and Rainbow Array - 2, Chef and Left-Right, Fun with Rotation
October Challenge 2014
Remy paints the fence, Chef and Ground
November Challenge 2014
Distinct Characters Subsequence, Let us construct palindrome, Chef and Red Black Tree, Chef and Words, Chef and Segment Game
January Challenge 2015
Chef and Stones, Sereja and Votes, Gcd Queries
April Challenge 2015
Chef and Interview, Broken Telephone
May Challenge 2015
Chef and Prime Divisors, Set Difference , Chef and new recipe
India