August Challenge 2020 Division 2
Subsequence Frequency Counting, Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Ants (Challenge) , Chef and Wedding Arrangements, Insanely Hard School Exams
September Challenge 2020 Division 1
Chefina and Swap, Chef and Trump Cards, Find XOR, Vibrating Paths (Challenge), Ada Matrix
July Cook-Off 2020 Division 2
OR-thodox Distinction, Even-tual Reduction
July Lunchtime 2020 Division 2
Profitable Paths 2, Chef and Steps
October Challenge 2020 Division 1
Inversions, Positive AND, Replace for X, D-Dimensional MST
Coders' Legacy (Rated for all)
Chef vs Doof, Doof on Cartesian, Doof fires Brackets
September Lunchtime 2020 Division 1
Root the Tree, Robot Detector
Code Ensemble (Rated for Division 2)
Cherry and Bits, Priya and AND, Help Martha
