October Mega Cook-Off 2018 Division 1
Pumping Water, Binary Nim 2
May Lunchtime 2018 Division 2
Trace of Matrix, Count Substrings, Shifted Palindrome, Maximum Plus
May Challenge 2018 Division 2
Mighty Friend, Minimum Deletions, Xor Again, Fake Binary Search, Dibs on Fibs
July Challenge 2018 Division 1
No Minimum No Maximum, Gears, Reach Equilibrium
October Lunchtime 2018 Division 1
Coloring the Grid, Weird Question
March Lunchtime 2019 Division 1
Corrupted Seven-Segment Display, Travelling Saleschef
August Lunchtime 2019 Division 1
Destroy Cells, Chef Does Coke Yet Again
September Challenge 2019 Division 1
Easy Fibonacci, Chef and Interesting Subsequences
November Challenge 2019 Division 1
Physical Exercise, Smallest Beautiful Number
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