November Challenge 2018 Division 2
Chef and Happiness, Chef and Difficult Contests
September Lunchtime 2018 Division 2
Judging Delay, Chef Restaurant
January Challenge 2019 Division 2
Lucky Number Game, Distinct Pairs, Fancy Quotes
February Challenge 2019 Division 2
Chef and Secret Ingredients, Deputy Chef, Appy and Contest, Chef and Magical Jars
February Cook-Off 2019 Division 2
Max Range Queries, Buying New Tablet, Chef and Party
March Challenge 2019 Division 2
Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit
April Challenge 2019 Division 2
Friend or Girlfriend, Fencing, Subtree Removal, Playing with Numbers, Maximum Remaining
June Challenge 2019 Division 2
Chef and Proxy, Guddu on a Date
July Challenge 2019 Division 2
Parity Again, Minimum and Maximum, Chef and Mean
August Challenge 2019 Division 2
Dilemma, Zombie and the Caves, Distribute Apples, Football, Guddu and his Mother
October Challenge 2019 Division 1
Chef and Maximum Star Value, Array Modification
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