April Challenge 2014
Divide the Tangerine, Shortest Path in Binary Trees, Farmer Feb
June Challenge 2014
Chef and Subarray, Guessing Game, Forgot Password
July Challenge 2014
Count Substrings, Reach The Point, Chef and Rectangle Genome, Chef and Frogs, Garden Game
August Challenge 2014
The Leaking Robot, Cleaning Tables, Chef and Gift
February Challenge 2015
Chef and Equality, Let us play with rank list, Chef and Chain
May Challenge 2015
Chef and Prime Divisors, Set Difference , Chef and new recipe
June Challenge 2015
Anticommutative implication, Chef and String, Chef and Polygons, Chef and Memory Limit, Chef and His Friend, Steady tables
July Challenge 2015
Bread, Na2a and lucky stone, Chef and Cube
August Challenge 2015
Gravity Guy, Cooking Machine, Aditi and Magic Trick
India