November Challenge 2017
Chef and Subarray Queries, Periodic Palindrome Construction, Chef Hates Palindromes
December Cook-Off 2017
Beautiful Array, Football Match
January Challenge 2018
String Merging, Partition the numbers
January Cook-Off 2018
Multiple of 3, Survive in ChocoLand
February Challenge 2018
Broken Clock, Points Inside A Polygon, (Challenge) Biased Committee
May Cook-off 2018 Division 2
Best Cake Ever, Secret Recipe
July Cook-Off 2018 Division 2
OR Matrix, Chef and GCD Game
November Cook-Off 2018 Division 2
Truth and Dare, Beautiful Garland, A-B Game
April Challenge 2018 Division 2
Highway Crossing, Count Good Prefixes
June Challenge 2018 Division 2
Vision, Binary Shuffle, Ways to Work, Sheokand and String
July Challenge 2018 Division 2
Reach Equilibrium, No Minimum No Maximum, Gears, Magic Set, Strike or Spare, No Strings Attached
June Lunchtime 2018 Division 2
Summary Power, Counting Pretty Numbers
ProCon 2018 (Rated for all)
The Great Run, Kill them with your success, Algebra Score
January Challenge 2019 Division 1
Yet Another Problem About Sequences, Different Neighbours, Distinct Pairs
United States