February Challenge 2020 Division 2
School of Geometry, Hard Cash
December Challenge 2020 Division 2
Vaccine Distribution, Vaccine Production, Even Pair Sum, Positive Prefixes
December Cook-Off 2020 Division 2
Minimum Attendance Requirement
January Challenge 2021 Division 3
Watching CPL, Fair Elections, Chef and Division 3, Point Of Impact, Encoded String
January Lunchtime 2021 Division 3 (Unrated)
Ashishgup and Interviews, Pair Me, Even Differences, Even Sum
February Challenge 2021 Division 3
Frog Sort, Highest Divisor, Chef and Meetings, Maximise Function
March Challenge 2021 Division 2
Interesting XOR!, Space Arrays
March Lunchtime 2021 Division 3
Motivation, Make the Sum Even
April Challenge 2021 Division 3
Valid Pair, World Record, Strong Language
July Challenge 2021 Division 3 (Rated)
XxOoRr, Maximum Production, Relativity
July Cook-Off 2021 Division 3
XOR-ORED, Mod Equality, Shoe Fit
August Challenge 2021 Division 2 (Unrated)
Problem Difficulties, Olympics Ranking
India