April Challenge 2021 Division 3
Tree Permutations, Worthy Matrix, Destroy the EMP Chip, Chef and Dice, Valid Pair, World Record, Strong Language, Binary String MEX
May Lunchtime 2021 Division 2
K-Subarrays, Total Components, Tom And Jerry 1, Charges
December Lunchtime 2021 Division 1
Optimal Sorting, Romantic Reversals
Infinity 2k21 Division 2 (Rated)
Marbles, Tug of War, Dalgona Treat
January Cook-Off 2022 Division 1
Subsegment Divisibility , Merged LIS, Boring Trip, Prime Graph, Erase All But One
