September Challenge 2016
Chef and digits of a number, Faded Palindromes
October Challenge 2016
Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs
January Challenge 2017
Capital Movement, Cats and Dogs, Reservior
February Challenge 2017
Chef and His Apartment Dues
March Challenge 2017
Xenny and Alternating Tasks, Bear and Extra Number, (CH) Bear and Sorted Rows, Bandwidth of a matrix
April Challenge 2017
Dish Of Life, Bear and Row 01, Similar Dishes
May Challenge 2017
Chef and Sub Array , Chef and his daily routine, Courses in an university, Median of adjacent maximum numbers
June Challenge 2017
A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets
India