May Lunchtime 2021 Division 3
Charges, Hoop Jump, Tom And Jerry 1, Total Components, K-Subarrays, Birthday Gifts
September Cook-Off 2021 Division 2
Chef and Pairwise Distances, Zebra Crossing, Half Sequence, Fake Swaps, Adjacency Hatred
December Cook-Off 2021 Division 2
Median Minimization, Break the Balance, RGB Construction, Musical Chairs, Destructive Nim, Binary String Game
December Lunchtime 2021 Division 1
Optimal Sorting, Romantic Reversals
Starters 100 Division 1 (Rated)
Ant, Stamps 100, Combinatorics Is Fun, Prime Permutation, Concussive Sequence
Starters 113 Division 1 (Rated)
Count Distinct Arrays, Counting Is Fun, Maximise The Minimum, Minimise Maximum Subarray Sum, Make All Equal, Score Sum, Maximum Score
Starters 115 Division 1 (Rated)
Subtraction Sequence I, Make All Zero, Binary Grid Forces, Greedy LIS Algorithm, Subtraction Sequence II
Starters 144 Division 1 (Rated)
Counting Is Fun, Sort Lexicographically , Find P, Minimise Inversions, Largest K
