July Cook-Off 2020 Division 2
Even-tual Reduction, OR-thodox Distinction
August Lunchtime 2020 Division 2
Game on a Strip, Mode of Frequencies
October Challenge 2020 Division 2
Covid Run, Chef and Easy Queries
December Cook-Off 2020 Division 2
Minimum Attendance Requirement, Catch the Thief, Self-Destructing Strings
December Lunchtime 2020 Division 1 (Unrated)
Three Letters, One Zero Swaps
January Lunchtime 2021 Division 2 (Unrated)
Binary Subsequence, Even Differences, Even Sum
November Lunchtime 2020 Division 2
Gasoline Introduction, Gasoline
Coders' Legacy (Rated for all)
Chef vs Doof, Doof on Cartesian
September Lunchtime 2020 Division 2
GCD operations, Watermelon
UWCOI 2021 (Rated for all)
Array Swaps, Hidden Numbers
September Lunchtime 2021 Division 2
Alice vs Bob Faceoff, Yet another SOD problem, Balanced and Unique Arrays
January Cook-Off 2022 Division 2
Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility , Merged LIS
January Lunchtime 2022 Division 2
Subarray permutations, Prefix Zeros, Permutation XOR Sum
Greece