November Challenge 2020 Division 2
Ada and Dishes, Restore Sequence, Iron, Magnet and Wall
January Challenge 2021 Division 2
Chef and Ants, Guess the Tiling, Stack-Queue Sort (Challenge), Watching CPL, Fair Elections, Chef and Division 3, Encoded String
December Challenge 2020 Division 2
Vaccine Distribution, Vaccine Production, Even Pair Sum, Positive Prefixes, Hail XOR
December Lunchtime 2020 Division 2 (Unrated)
Three Letters, Sed Sequences, One Zero Swaps
February Challenge 2021 Division 2
Frog Sort, Team Name, Prime Game, Multiple Games, Maximise Function
March Challenge 2021 Division 2
Space Arrays, Paparazzi Gennady, Consecutive Adding, Interesting XOR!, College Life 4
May Long Two 2022 Division 2 (Unrated)
Subsequence-Numbers Divisible by 7, Xor Palindrome, Subarrays with length, Make them Zero
Starters 149 (Rated)
Easy Subarray Sum, Maximise Sum, Chef Loves Beautiful Strings (Easy Version)
Starters 151 (rated)
Ball Game, Sequence Search, Convert string, Shooting (Easy)
Starters 153 (Rated)
Butterfly, Xometry (Easy Version), Colorful Tree (Easy Version), Another Game
Starters 154 (Rated)
Tree Cut Xor, Count Winning Subarrays, GCD and XOR, Triangle Count (Easy), Add 1 or 2 Game
Starters 157 (Rated till 5 stars)
Small, Smaller, Smallest, MEXtreme Divisibility, Normal is Good, Unmedian
