October Mega Cook-Off 2018 Division 2
Ada and the Staircase, Binary Nim 2, Pumping Water
December Challenge 2018 Division 1
Max and Electrical Panel, Directing Edges, Chef and Interactive XOR
November Challenge 2018 Division 2
Chef and Ridges, Appy Loves One, Good Median, Chef and Difficult Contests, Chef and Happiness
October Challenge 2018 Division 2
Chef and Serves, Byte to Bit, Minimize Digitsum, Appy and Balloons
July Lunchtime 2018 Division 2
Split Stones, Prime divisors
November Lunchtime 2018 Division 1
Useful Number, Beats and Pieces
December Lunchtime 2018 Division 1
Choosing from Buckets, Drawing Lines, Maximize the NOSS, Age Calculator
January Challenge 2019 Division 1
Different Neighbours, Distinct Pairs
February Challenge 2019 Division 1
Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, Art of Balance
February Cook-Off 2019 Division 1
Max Range Queries, Chef and Secret Password, Chef and Party
March Cook-Off 2019 Division 1
XOR N-bonacci Sequence, Markers and Caps, Music Shopping
March Lunchtime 2019 Division 1
Travelling Saleschef, Corrupted Seven-Segment Display
June Cook-Off 2019 Division 1
Ants and Anteaters, Drink Slush
September Challenge 2019 Division 1
Fuzzy Linear Combinations, Chef Designed a Network
September Mega Cook-Off 2019 Division 1
Angry Grandfather, Fitness Exercises
Code Melange (Rated for all)
Greg and Grid, A Small Array, Go Round, Longest Xommon Subsequence, Max power
Ukraine