December Challenge 2020 Division 2
Even Pair Sum, Vaccine Production, Vaccine Distribution, Positive Prefixes
November Cook-Off 2020 Division 2
Flip the String, Chef and IPC Certificates, Hiring Workers
Starters 81 Division 3 (Unrated)
Distinct Matrix, Divide Pages, Maximum Capacity
Starters 89 Division 3 (Rated)
Plus 2 or Minus 1, DDMM or MMDD, Subarray Removal, Positive or Negative Subarrays, Monopoly
Starters 140 Division 2 (Rated)
Make Permutation, Split Permutation, Trick Or Treat, Break The String, Tree Removal
Starters 145 Division 1 (Rated till 6-Stars)
Beautiful Array, Make Bob Win , Querified, Square String
United States