February Challenge 2019 Division 2
Chef and Secret Ingredients, Appy and Contest, Deputy Chef, Chef and Magical Jars
April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining, Fencing
April Cook-Off 2019 Division 2
Pied Piper vs Hooli, Making a Meal, Chef Learning Hungarian Algorithm
May Challenge 2019 Division 2
Matches, Reduce to One, Where to Build the Roads
July Challenge 2019 Division 2
Chef and Mean , Parity Again, Minimum and Maximum
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, Array Modification, Even Edges
Code Melange (Rated for all)
Greg and Grid, A Small Array, Max power
India