April Challenge 2014
Farmer Feb, Shortest Path in Binary Trees
June Challenge 2014
Chef and Subarray, Guessing Game
July Challenge 2014
Count Substrings, Reach The Point
September Challenge 2014
Chef and Rainbow Array - 2
October Challenge 2014
Remy paints the fence, Chef and Ground, Magical Girl and Colored Liquid Potions
November Challenge 2014
Distinct Characters Subsequence
December Challenge 2014
Alok-nath and His Sanskars, XOR with Subset, Chef and Apple Trees
January Challenge 2015
Chef and A Large Permutation, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries
July Challenge 2015
Bread, Na2a and lucky stone, Chef and Cube
India