October Challenge 2019 Division 2
Missing Number, Even Edges, Phone Prices, Operations on a Matrix, (Challenge) Maximizing LIS, Chef and Maximum Star Value, Bacterial Reproduction, Array Modification
March Lunchtime 2020 Division 1 (Unrated)
Maximize LCM, Strip in a Tree!
April Lunchtime 2020 Division 1
Triangle Query, Positive Mex
Exun Programming Prelims 2019 (Rated for all)
Weird Modulo Problem , Chipped Tree, Tennis Tournament
July Challenge 2020 Division 1
LCM Constraints, Chefina and Swaps, Chef and Dragon Dens, Missing a Point, Doctor Chef
December Cook-Off 2020 Division 1
Circle of Chaos, Self-Destructing Strings, Sed Passwords
December Lunchtime 2020 Division 1 (Unrated)
Three Letters, One Zero Swaps
October Cook-Off 2020 Division 1
Path-etic Sums, The In-XOR-able Task, Yet Another Crossover Episode
November Cook-Off 2020 Division 1
Flip the String, Chef and IPC Certificates, Hiring Workers
October Lunchtime 2020 Division 1
Counting Spaghetti, Cute Chef Gift, Chef Is Just Throwing Random Words, Chef Likes Good Sequences
September Cook-Off 2020 Division 1
Maximise Subsequence Value, Minimum Insertions
September Lunchtime 2020 Division 1
Root the Tree, Robot Detector
February Challenge 2021 Division 1
Team Name, Another Tree with Number Theory, Prime Game, Multiple Games, XOR Sums
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