December Cook-Off 2014
Matrix Again, Player, Good Joke!
March Challenge 2014
Walk, Little Chef and Numbers
June Challenge 2014
Chef and Subarray, Guessing Game
July Challenge 2014
Count Substrings, Reach The Point
January Challenge 2015
Gcd Queries, One Dimensional Kingdoms, Sereja and Votes, Chef and A Large Permutation, Sereja and Number Division 2, Chef and Stones
February Challenge 2015
Chef and Chain, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Jigsaw Puzzle Solving, Chef and Equality
March Challenge 2015
Devu and his Class, Chef and Notebooks
April Challenge 2015
Count Sequences, Chef and Interview, Broken Telephone, Division of Lands, Chef and Piano Scales
April Cook-Off 2015
Equality, Version Control System
India