June Challenge 2015
Chef and Memory Limit, Chef and Polygons
July Challenge 2015
Bread, Na2a and lucky stone, Chef and Cube
August Challenge 2015
Way Out, Gravity Guy, Cooking Machine, Aditi and Magic Trick
September Challenge 2015
Chain of Doughnuts, Count Steps in Matrix
October Challenge 2015
Who dares to be a millionaire, Rupsa and Equilateral Triangle, Spheres, Count Subarrays, Time measure
September Mega Cook-Off 2015
Forgotten Language, Super Numbers, Stacks
October Cook-Off 2015
Word Stem, Almost Sorted Permutation
June Challenge 2016
Devu and an Array, Chef and Coins Game, Chef and Array and K, Chef And The Hiring Event, Chef And Binary Operation
September Challenge 2016
Chef and Friends, Dividing Machine, Chef and Matrix Division, Chef and digits of a number, Faded Palindromes, JosephLand, Chef and calculation
October Challenge 2016
Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs
January Cook-Off 2016
Chef and Destruction, Chef and Fruits
July Cook-Off 2016
Chef and Proportion, Chef and Numbers
September Cook-Off 2016
Lazy Jem, The Lost Arithmetic Sequences, Counting Strings
January Challenge 2017
Capital Movement, Cats and Dogs, Reservior
January Cook-Off 2017
Digit Longest Increasing Subsequences 2
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