September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
October Challenge 2016
Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs
October Cook-Off 2016
Watson asks Does Permutation Exist
January Challenge 2017
Reservior, Capital Movement, Cats and Dogs
February Challenge 2017
Chef and His Apartment Dues
June Challenge 2017
A Good Set, Xenny and Coin Rankings
August Long Challenge 2017
Greedy Candidates, Palindromic Game, Chef and Mover, Chef and Rainbow Array
May Challenge 2018 Division 2
Mighty Friend, Minimum Deletions, Xor Again, Fake Binary Search, Dibs on Fibs
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