October Challenge 2018 Division 2
Byte to Bit, Chef and Serves
February Challenge 2019 Division 2
Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef
February Cook-Off 2019 Division 2
Buying New Tablet, Chef and Party
February Lunchtime 2019 Division 2
Average Number, The Tricky Deal
April Challenge 2019 Division 1
Friend or Girlfriend, Fencing, Maximum Remaining
September Lunchtime 2019 Division 2
Chef Feeds Cats, Chef and Football Match, Find the Sum
October Challenge 2019 Division 2
Missing Number, Phone Prices, Operations on a Matrix, Chef and Maximum Star Value, Array Modification
November Challenge 2019 Division 2
Physical Exercise, Hard Sequence, A Simple Game, Weapon Value, Chef and Minimum Colouring
UWCOI 2020 (Rated for all)
Find maximum in an Array, Base Plans, Button Pairs
October Challenge 2020 Division 2
Positive AND, Replace for X, Adding Squares, Covid Run, Chef and Easy Queries
November Challenge 2020 Division 1
Restore Sequence, Magical Candy Store, Scalar Product Tree
SnackDown 2021 - Online Qualifiers
Lucky Number, Maximum Number Of Distinct Elements
Romania