December Challenge 2020 Division 2
Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution, Hail XOR
December Lunchtime 2020 Division 2 (Unrated)
Three Letters, Sed Sequences, Horoscope Matrix, One Zero Swaps
January Challenge 2021 Division 3
Watching CPL, Encoded String, Point Of Impact, Chef and Division 3, Fair Elections, Blackjack, Guess the Tiling, Chef and Ants
February Challenge 2021 Division 2
Frog Sort, Team Name, Prime Game, Maximise Function
May Challenge 2021 Division 2 (Rated)
Xor Equality, Tic Tac Toe
Exun 2021-22 Division 2 (Rated)
Sarthak and his Magic Grid, Vedant and his Hidden Array
India