February Challenge 2015
Let us play with rank list, Chef and Chain
March Challenge 2015
Sign Wave, Chef and Notebooks
April Challenge 2015
Chef and Interview, Broken Telephone, Chef and Piano Scales
June Challenge 2015
Chef and Memory Limit, Chef and Polygons
July Challenge 2015
Chef and Cube, Na2a and lucky stone, Bread
September Challenge 2015
Chain of Doughnuts, Count Steps in Matrix, Lighthouses
October Challenge 2015
Count Subarrays, Who dares to be a millionaire
May Cook-Off 2015
Devu and friendship testing
July Cook-Off 2015
Cops and the Thief Devu, Maximize Disjoint Pair Sum
August Cook-Off 2015
Chef and the XORed Number , Chef and the Wildcard Matching
September Lunchtime 2015
Sum of palindromic numbers
March Challenge 2016
Palindromic substrings, Chef and Number Guessing, maximize the sum, Chef And Special Dishes
April Challenge 2016
Help Watson Escape, Chef And Coloring, Chef And Magical Path, Chef and Ballons
October Challenge 2016
Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs
March Cook-Off 2016
Digital clock, Alternating subarray prefix
India