February Challenge 2015
Let us play with rank list, Chef and Chain, Chef and Equality
April Challenge 2015
Count Sequences, Chef and Interview, Broken Telephone, Chef and Piano Scales
May Challenge 2015
Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe
June Challenge 2015
Chef and His Friend, Chef and Polygons, Chef and Memory Limit
July Challenge 2015
Na2a and lucky stone, Chef and Cube
August Challenge 2015
Way Out, Gravity Guy, Cooking Machine, Aditi and Magic Trick
September Challenge 2015
Cracking the Code, Bank robbery, Chain of Doughnuts, Count Steps in Matrix
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire, Spheres, Rupsa and Equilateral Triangle
April Cook-Off 2015
Equality, Version Control System
August Cook-Off 2015
Chef and the Wildcard Matching
July Lunchtime 2015
Greedy puppy, Puppy and game
November Lunchtime 2015
Query over Matrix, Black And White Cells
January Cook-Off 2016
Chef and Destruction, Chef and Fruits
February Lunchtime 2016
Chef and Socks, Chef and Tic-Tac-Toe
India