August Challenge 2018 Division 2
Sheokand and Number, Problem Sort, Spell Bob
November Challenge 2018 Division 2
Chef and Ridges, Appy Loves One, Good Median, Magician versus Chef 2, Chef and Difficult Contests, Chef and Happiness
January Challenge 2019 Division 2
Lucky Number Game, Distinct Pairs, Fancy Quotes
February Cook-Off 2019 Division 2
Max Range Queries, Chef and Party, Buying New Tablet
April Challenge 2019 Division 2
Playing with Numbers, Friend or Girlfriend, Maximum Remaining, Subtree Removal, Fencing
June Challenge 2019 Division 1
Sum and GCD, Intersecting Paths, Lent Money, Chef and Ingredients
August Challenge 2019 Division 1
Guddu and his Mother, Encoding, Dilemma, Maximize an Expression, Chef and Gordon Ramsay
October Challenge 2019 Division 1
Operations on a Matrix, Array Modification, Chef and Maximum Star Value, Bacterial Reproduction, Even Edges
November Challenge 2019 Division 1
Physical Exercise, Smallest Beautiful Number, From Zero to Infinity, Single Point of Failure
May Challenge 2020 Division 1
Buying a New String, Triple Sort, Sorting Vases, Coronavirus Spread, Chef and Bitwise Product, Isolation Centers
India