May Lunchtime 2020 Division 2
Weird Walk, Convert the String, Lost Weekends
July Cook-Off 2020 Division 2
What Is This, a Crossover Episode, Even-tual Reduction, OR-thodox Distinction
RECode 12.0 (Rated for all)
Chef and String, Chef and Numbers
December Challenge 2020 Division 1
Even Pair Sum, Positive Prefixes, Hail XOR
December Lunchtime 2020 Division 1 (Unrated)
Three Letters, One Zero Swaps
November Cook-Off 2020 Division 1
Flip the String, Chef and IPC Certificates
October Lunchtime 2020 Division 1
Chef Likes Good Sequences, Cute Chef Gift
International Coding Marathon 2021 Division 2 (Rated)
Suffix Sort, Lucky Boundaries
May Cook-Off 2021 Division 2
The Last Problem, Double Burgers, Chef and Subarrays
Bangladesh