June Challenge 2014
Chef and Subarray, Guessing Game, Forgot Password, Chef and Digit Jumps
July Challenge 2014
Garden Game, Chef and Frogs, Count Substrings, Reach The Point
August Challenge 2014
The Leaking Robot, Chef and Gift
September Challenge 2014
Chef and Rainbow Array - 2, Fun with Rotation, Chef and sequence, Chef and Left-Right, Factorisation
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
Let us construct palindrome, Chef and Red Black Tree, Chef and Segment Game, Distinct Characters Subsequence
January Challenge 2015
Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries
February Challenge 2015
Chef and Equality, Let us play with rank list, Chef and Strings, Chef and Strange Formula, Chef and Chain
March Challenge 2015
Chef and Notebooks, Sign Wave
May Challenge 2015
Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe
June Challenge 2015
Chef and Memory Limit, Chef and Polygons
September Challenge 2015
Chain of Doughnuts, Count Steps in Matrix
