August Long Challenge 2017
Greedy Candidates, Chef and Rainbow Array
September Challenge 2017
Minimum Good Permutation, Little Chef and Sums
October Challenge 2017
Max Mex, A Balanced Contest
March Challenge 2018 DIV 2
A Big Sale, Mix the Colors, Chef and Glove, Minion Chef and Bananas
July Challenge 2020 Division 2
Ada King, Chef and Card Game, Chef and Strings
January Challenge 2021 Division 3
Encoded String, Chef and Division 3, Fair Elections, Point Of Impact
February Challenge 2021 Division 3
Maximise Function, Highest Divisor
April Challenge 2021 Division 3
Valid Pair, World Record, Strong Language
August Challenge 2021 Division 3 (Rated)
Olympics Ranking, Problem Difficulties
June Long Two 2022 Division 3 (Rated)
Count the ACs, Make all equal using Pairs, Complementary Strand in a DNA
July Long One 2022 Division 3 (Rated)
Pass the Exam, Chef and Candies
September Long 2022 Division 4 (Rated)
Speed Limit Test, Bob at the Bank, Chef and Wire Frames
