February Challenge 2019 Division 2
Chef and Magical Jars, Manhattan Rectangle, Deputy Chef, Art of Balance, Chef and Secret Ingredients, Appy and Contest
April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining, Subtree Removal, Fencing
June Challenge 2019 Division 2
Guddu on a Date, (Challenge) SnackDown 99, Sum and GCD, Intersecting Paths, Chef and Ingredients, Lent Money, Chef and Proxy, Road Signs
June Cook-Off 2019 Division 1
Ants and Anteaters, Drink Slush
July Challenge 2019 Division 1
Circular Merging, Codechef War, Guess the Prime!, Hit the Coconuts, Snake and Apple Tree
July Cook-Off 2019 Division 1
Birthday Gift Again, Expected Product
August Challenge 2019 Division 1
Guddu and his Mother, Encoding, Dilemma, Maximize an Expression, Chef and Gordon Ramsay
September Mega Cook-Off 2019 Division 1
Hiring Chefs, Fitness Exercises , Angry Grandfather
September Lunchtime 2019 Division 1
All Substrings, Ice Cream Queue, Treeversion, Find the Sum
November Lunchtime 2019 Division 1
Planting Trees, Washing Windows, Perfection
March Cook-Off 2020 Division 1
Mysterious Sequence, Maximize Letter Beauty
Poland