January Cook-Off 2017
Digit Longest Increasing Subsequences 2
March Cook-Off 2017
Rainbow Graph, Yet Another Card Game, Safe Robot
April Cook-Off 2017
Bear and Candies 123, Bear and AB
July Cook-Off 2017
Chang and Bitwise OR, Chang and the Perfect Function
November Cook-Off 2017
Online Chess, Random Pair
December Cook-Off 2017
Beautiful Array, Football Match
June Lunchtime 2017
Maximum Unique Segment, Two Numbers
January Cook-Off 2018
Multiple of 3, Survive in ChocoLand
February Cook-Off 2018
Chef and Cook-Off, Chef and Line
February Lunchtime 2018
Game with numbers, Jumping in the hills
March Cook-off 2018 Division 1
Chef Goes to the Cinema, Chef Restores a Matrix
Australia