July Cook-Off 2021 Division 3
XOR-ORED, Mod Equality, Shoe Fit, Hidden Colored Graph, Beautiful Subsequence
September Cook-Off 2021 Division 2
Chef and Pairwise Distances, Zebra Crossing, Half Sequence, Fake Swaps, Adjacency Hatred
September Lunchtime 2021 Division 2
Alice vs Bob Faceoff, Yet another SOD problem, Balanced and Unique Arrays, Interesting Representation
November Cook-Off 2021 Division 1
Non-Decreasing Subsequence of size K, Product Pain, Guests like slippers
December Cook-Off 2021 Division 1
Binary String Game, RGB Construction, Break the Balance
January Cook-Off 2022 Division 1
Subsegment Divisibility , Merged LIS, Boring Trip, Prime Graph, Erase All But One
Mexico