April Challenge 2015
Broken Telephone, Chef and Interview, Chef and Piano Scales
May Challenge 2015
Chef and Prime Divisors, Set Difference , Chef and new recipe
June Challenge 2015
Steady tables, Chef and His Friend, Chef and Memory Limit, Chef and Polygons
July Challenge 2015
Addition and Multiplication, Bread, MasterChef, Na2a and lucky stone, Chef and Cube, Rohith and Circles
October Challenge 2015
Who dares to be a millionaire, Count Subarrays, Time measure
May Cook-Off 2015
Devu and friendship testing, Devu and decorating birthday cake
September Challenge 2016
Dividing Machine, Chef and calculation, Faded Palindromes, Chef and digits of a number, Chef and Friends
October Challenge 2016
Chef and Keyboard, Chef and Three Dogs
November Challenge 2016
Chef and squares, Task for Alexey
