May Challenge 2015
Set Difference , Devu and binary String, Chef and new recipe
June Challenge 2015
Chef and His Friend, Chef and Memory Limit, Chef and Polygons
July Challenge 2015
Bread, Na2a and lucky stone, Chef and Cube
August Challenge 2015
Aditi and Magic Trick, Cooking Machine, Gravity Guy, Way Out
September Challenge 2015
Chain of Doughnuts, Count Steps in Matrix, Bank robbery, Lighthouses, Cracking the Code
October Challenge 2015
Count Subarrays, Who dares to be a millionaire
August Cook-Off 2015
Chef and the Wildcard Matching, Chef and the XORed Number
March Challenge 2017
Cooking Schedule, Xenny and Alternating Tasks, Pishty and birthday, Bear and Extra Number, (CH) Bear and Sorted Rows, Bandwidth of a matrix
April Challenge 2017
Chef and Divisor Tree, Similar Dishes, Bear and Clique Distances, Bear and Row 01, Dish Of Life, Stable market
May Challenge 2017
Chef and Sub Array , Chef and his daily routine, Courses in an university, Median of adjacent maximum numbers, Chef and Subsequences
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