Advent of Code 2018 (Competitive Programming)
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Advent of Code is a December programming competition: a new problem every day, with a global leaderboard ranked by the time it takes one to obtain the correct solution. These are my solutions to all 25 problems of the 2018 event, in Python, kept as close as possible to the code I actually submitted at the time - only some commented-out sections were removed. I abstained from external libraries (e.g. for the graph-based problems), and each day’s folder includes the (personalized) input, so every solution runs as is.
I placed in the hundreds on most of them, out of a total field in the hundreds of thousands.