June Challenge 2016
Chef and Coins Game, Devu and an Array, Chef And Binary Operation
October Challenge 2016
Sereja and Progressions, Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs, Chef and Two String
October Cook-Off 2016
ChefWatson uses Social Network, Watson asks Does Permutation Exist
February Challenge 2017
Chef and Yoda, Interval Game, Chef and Triangles, Chef and His Apartment Dues, Most Frequent Element, Gerrymander
March Challenge 2017
Bandwidth of a matrix, (CH) Bear and Sorted Rows, Xenny and Alternating Tasks, Cooking Schedule, Bear and Extra Number
June Challenge 2017
A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets
July Challenge 2017
Calculator , IPC Trainers, Whats in the Name, Chef and Sign Sequences
April Challenge 2018 Division 2
Chef and Array (Challenge), Cutting Plants, Weight of Numbers, Highway Crossing, Count Good Prefixes, Average of Pairs, Workers
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