March Challenge 2018 DIV 2
A Big Sale, Mix the Colors, Chef and Glove
May Challenge 2018 Division 2
Mighty Friend, Minimum Deletions, Xor Again, Dibs on Fibs
September Challenge 2018 Division 2
Magician versus Chef, Chef and Adventures, War of XORs
October Challenge 2018 Division 2
Chef and Serves, Byte to Bit
February Challenge 2019 Division 2
Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef
March Challenge 2019 Division 2
Chef and a Beautiful Digit, Chef and Number Game, Chef got Recipes
April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining, Fencing
August Challenge 2019 Division 2
Guddu and his Mother, Dilemma, Football, Distribute Apples, Zombie and the Caves
October Challenge 2019 Division 2
Chef and Maximum Star Value, Phone Prices, Operations on a Matrix, (Challenge) Maximizing LIS, Array Modification, Missing Number, Even Edges
April Challenge 2020 Division 1
Strange Number, Squared Subsequences, Leaked Answers (Challenge)
July Challenge 2020 Division 1
Chefina and Swaps, Chef and Dragon Dens, Missing a Point, Doctor Chef
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