September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
October Challenge 2016
Chef and Keyboard, Chef and Three Dogs
October Cook-Off 2016
Watson asks Does Permutation Exist
March Challenge 2017
Xenny and Alternating Tasks, Bear and Extra Number
April Challenge 2017
Bear and Row 01, Similar Dishes, Dish Of Life
May Challenge 2017
Chef and Sub Array , Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers
April Cook-Off 2017
Bear and Candies 123, Bear and AB
India