September Lunchtime 2019 Division 2
Chef and Football Match, Find the Sum, Chef Feeds Cats
October Lunchtime 2019 Division 2
Khaled in HIT, Box Game, Counting Inversions Revisited
November Lunchtime 2019 Division 2
Compress the List, Washing Windows, Pizza or Broccoli , Planting Trees
April Cook-Off 2020 Division 2
Matrix Decomposition, Lift Requests
UWCOI 2020 (Rated for all)
Button Pairs, Find maximum in an Array
July Cook-Off 2020 Division 2
Even-tual Reduction, OR-thodox Distinction
RECode 12.0 (Rated for all)
Chef and String, Chef and Rotation, Chef and Numbers
October Cook-Off 2020 Division 2
Split the Str Ing, Decreasing Srrnmieeda, Path-etic Sums
India