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Turns out you can incorrectly implement the problem and still get the right answer for part 1. If you then correct it, it's a lot faster.
Advent of Code 2021
This folder contains the solution runner for Advent of Code 2021. All days will be solved in Rust, with the goal of having a total time across all puzzles of one second or less.
aoc-2021
Advent of Code 2021 runner
USAGE:
aoc-2021 [OPTIONS] <DAY>
ARGS:
<DAY> Which day to run
OPTIONS:
-2, --part2 Run part 2 instead of part 1
-h, --help Print help information
-i, --input <INPUT> Read input from the given file instead of stdin
-t, --time Print time taken