October Challenge 2020 Division 2
Chef and Easy Queries, Covid Run
January Challenge 2021 Division 2
Watching CPL, Fair Elections
December Challenge 2020 Division 1
Positive Prefixes, Even Pair Sum
December Cook-Off 2020 Division 2
Minimum Attendance Requirement, Circle of Chaos, Catch the Thief, Sed Passwords, Self-Destructing Strings
January Cook-Off 2021 Division 2
Prime Tuples, Maximise Islands
December Lunchtime 2020 Division 1 (Unrated)
Three Letters, One Zero Swaps
January Lunchtime 2021 Division 2 (Unrated)
Good Grid, Dreams of Divisibility, Binary Subsequence, Even Differences, Even Sum
October Cook-Off 2020 Division 2
Split the Str Ing, Yet Another Crossover Episode, Decreasing Srrnmieeda, Path-etic Sums
November Cook-Off 2020 Division 2
Flip the String, Chef and IPC Certificates, Hiring Workers
October Lunchtime 2020 Division 2
AND Plus OR, Chef and Subtree MEXs, Chef Is Just Throwing Random Words
March Cook-Off 2021 Division 2
Consecutive Deletions, Guess the Number, Matrix XOR
SnackDown 2021 - Online Round 1A
Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM
United States