September Challenge 2021 Division 3 (Rated)
Shuffling Parities, Minimize Digit Sum, Treasure Hunt, 2-D Point Meeting, Airline Restrictions, Travel Pass, Covaxin vs Covishield, Minimum Digit Sum 2, XOR Equal
SnackDown 2021 - Online Round 1A
Yet Another Flipping Problem, Min Max LCM, Equal Beauty, Dance Moves, Round Robin Ranks
SnackDown 2021 - Online Pre-Elimination
Non-Decreasing Subsequence of size K, Good ranking, Product Pain, Guests like slippers, Mega mu - 1
Russia