October Challenge 2018 Division 2
Minimize Digitsum, Byte to Bit, Chef and Serves
Encoder (Rated for Division 2)
Knight Chess, Paint the Wall
February Challenge 2019 Division 2
Chef and Secret Ingredients, Appy and Contest, Deputy Chef
May Lunchtime 2019 Division 2 (Unrated)
Dummy Palindromic Strings, Reverse Maximisation, CV
June Cook-Off 2019 Division 2
Ants and Anteaters, Drink Slush, Eat Twice, Multiple Choice Exam
June Lunchtime 2019 Division 2
Ping Paja Pong, Magda and Silly Pairs
November Challenge 2019 Division 2
Hard Sequence, Weapon Value
December Challenge 2019 Division 2
Plus Multiply, That Is My Score!
January Challenge 2020 Division 2
Breaking Bricks, Doraemon, Chef and Dynamo
February Cook-Off 2020 Division 2
XOR Game, Penalty Shoot-Out II, Tax Slabs
March Cook-Off 2020 Division 2
Mysterious Sequence, Find Your Gift, Box of Chocolates
April Cook-Off 2020 Division 2
Matrix Decomposition, Lift Requests
March Lunchtime 2020 Division 2 (Unrated)
Good Prefix, Chef Swaps Digits
UWCOI 2020 (Rated for all)
Button Pairs, Find maximum in an Array
June Lunchtime 2020 Division 2
Maximum AND, Chef and Demonetisation, Increasing Decreasing
October Challenge 2021 Division 3 (Rated)
Longest AND Subarray, Digit Removal, MEX-OR, Three Boxes, Which Mixture
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