September Mega Cook-Off 2018 Division 2
Make a Permutation, ATM Machine
October Mega Cook-Off 2018 Division 1
Binary Nim 2, Pumping Water
September Challenge 2018 Division 2
Magician versus Chef, War of XORs, Chef and Adventures, Bad Shuffle
December Challenge 2018 Division 1
Directing Edges, Chef and Interactive XOR, Max and Electrical Panel, Colorblind Feast, Before Having Donuts
November Challenge 2018 Division 1
Chef and Recipes, Appy Loves One, Good Median, Magician versus Chef 2, Binary Strings
October Challenge 2018 Division 2
Chef and Serves, Chef and Circles, Byte to Bit, (Challenge) Chef and Takonemo, Minimize Digitsum, Beautiful Bricks, Appy and Balloons , Chef and Surprise Chessboard
February Challenge 2019 Division 1
Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, Xor Decomposition, Yet Another Tree Problem, (Challenge) Chef with Orchestra in the Kitchen, Art of Balance, Maximize the Tax
March Challenge 2019 Division 1
Chef and Soccer, (Challenge) Interleaving Strings, Matchable Permutations, Yet Again a Subarray Problem, Treasure Hunt, Perfect Tree Problem, Cheating on Queue
May Challenge 2019 Division 1
Ada Rooks 2, Trees and Degrees, Where to Build the Roads, Sonya and Gifts, Ada Pawns
