December Lunchtime 2020 Division 2 (Unrated)
Even Sequence, Three Letters, Sed Sequences, Horoscope Matrix, One Zero Swaps, K-Tuple Tree
January Challenge 2021 Division 3
Chef and Division 3, Encoded String, Point Of Impact, Fair Elections, Watching CPL, Blackjack, Guess the Tiling, Chef and Ants
March Cook-Off 2021 Division 2
Consecutive Deletions, Water Transfer, Matrix XOR, Guess the Number
March Challenge 2021 Division 2
Maximum Topological Sort, Random Walk Queries, Locked Safe, Wireless Electricity (Challenge), Space Arrays, Consecutive Adding, College Life 4, Dense Graph, Interesting XOR!, Paparazzi Gennady
March Lunchtime 2021 Division 1
Motivation, Node Codon, Uniform, Lunchtime, Gamer
April Challenge 2021 Division 1
Boolean Game, Chef and Dice, Destroy the EMP Chip, Tree Permutations, Binary String MEX, Worthy Matrix
June Challenge 2021 Division 1 (Unrated)
Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat
December Lunchtime 2021 Division 1
Romantic Reversals, Point constraints, Sleep Technique , Optimal Sorting, In-tree-active Node Coloring
March Lunchtime 2022 Division 1
Subsequence, Mathology, Sussy Rooks, Winter, Adjacency Love, Separate Them All
