February Challenge 2017
Chef and Triangles, Chef and His Apartment Dues, Gerrymander
March Challenge 2017
Bandwidth of a matrix, Bear and Extra Number, Xenny and Alternating Tasks
April Challenge 2017
Chef and Divisor Tree, Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes
May Challenge 2017
Median of adjacent maximum numbers, Courses in an university, Chef and Sub Array , Chef and his daily routine
June Challenge 2017
A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets
July Challenge 2017
Chef and Sign Sequences, Whats in the Name, Calculator , IPC Trainers
April Cook-Off 2017
Bear and Candies 123, Bear and AB
June Lunchtime 2017
Maximum Unique Segment, Two Numbers
India