July Lunchtime 2020 Division 2
Chef and Steps, Maximum Candies, Binary Concatenation , Golomb Sequence
August Cook-Off 2020 Division 1
Red-blue Trees, Polygon Relationship
October Lunchtime 2020 Division 1
Chef Is Just Throwing Random Words, Cute Chef Gift
September Cook-Off 2020 Division 1
Maximise Subsequence Value
Code Ensemble (Rated for Division 2)
Traversing Trees, Help Martha, Priya and AND, Cherry and Bits
April Challenge 2021 Division 1
Binary String MEX, Tree Permutations, Worthy Matrix, Destroy the EMP Chip, Chef and Pair Flips, Chef and Dice, Boolean Game
April Cook-Off 2021 Division 1
Tree Distances, OR of ANDs, Valet Parking, Deletion Sort
India