December Challenge 2013
Rectangular Queries, Magic Pairs
March Challenge 2014
Team Split, Binary Tournament, Walk, Little Chef and Numbers, Mike and Stamps
July Challenge 2014
Garden Game, Lucky Game, Dish Owner, Reach The Point, Count Substrings, Chef and Rectangle Genome, Chef and Frogs, Little Elephant and Painting
September Challenge 2014
Flooring, Fun with Rotation, Chef and Left-Right, Chef and Rainbow Array - 2, Chef and sequence
October Challenge 2014
Remy paints the fence, Chef and Ground, Chef and Square, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus
December Challenge 2014
XOR with Subset, Chef and Apple Trees, Chef and Bracket-Pairs, Alok-nath and His Sanskars
January Challenge 2015
Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries
February Challenge 2015
Chef and Chain, Chef and Strange Formula, Let us play with rank list, Chef and Equality
