August Challenge 2021 Division 3 (Rated)
Chef and Bulb Invention, Problem Difficulties, Olympics Ranking, Special Triplets
September Challenge 2021 Division 3 (Rated)
XOR Equal, Shuffling Parities, Airline Restrictions, Travel Pass
SnackDown 2021 - Online Qualifiers
Lucky Number, Maximum Number Of Distinct Elements
CodeChef Starters 12 Division 3 (Rated)
Good Weather, Make it Divisible
CodeChef Starters 14 Division 2 (Unrated)
Odd GCD, FIXFIX, Diagonal movement
October Challenge 2021 Division 2 (Unrated)
Longest AND Subarray, Digit Removal, MEX-OR
September Lunchtime 2021 Division 3
Two Dishes, Balanced and Unique Arrays, Vaccine Dates , Yet another SOD problem
CodeChef Starters 16 Division 3 (Rated)
Professor And Directions, Pass or Fail, Chef And Salary Pay, Chef and Magical Steps
SnackDown 2021 - Online Round 1A
Round Robin Ranks , Dance Moves, Min Max LCM
SnackDown 2021 - Online Round 1B
Queens Placement , Largest Laddu, Help Nishant
November Challenge 2021 Division 2 (Unrated)
Equal Coins, Hill Sequence, Weird Palindrome Making
December Challenge 2021 Division 2 (Unrated)
Valleys and Hills, List of Lists
SnackDown 2021 - Elimination Parallel (Rated for Div 2)
Yet another subarray problem, Remove Element, Sorting Segments
December Cook-Off 2021 Division 2
Median Minimization, Musical Chairs
India