February Challenge 2019 Division 2
Guess It Right, Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef, Manhattan Rectangle
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, Maximum Remaining, Fencing
May Challenge 2019 Division 2
Where to Build the Roads, Reduce to One, Ada Rooks 2, Matches
June Challenge 2019 Division 1
Lent Money, Chef and Ingredients, Sum and GCD
July Challenge 2019 Division 1
Guess the Prime!, Circular Merging
August Challenge 2019 Division 1
Dilemma, Guddu and his Mother
September Challenge 2019 Division 1
Biladerim Icin, Fuzzy Linear Combinations, Chef Designed a Network
October Challenge 2019 Division 1
Even Edges, Chef and Maximum Star Value, Array Modification
November Challenge 2019 Division 1
Physical Exercise, Smallest Beautiful Number
