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AdventOfCode2023

Advent of Code for 2023 - https://adventofcode.com/2023

Creating a new date executable

Per day, remember to:

export day=day25
cargo new $day
cp day01/Makefile $day/
cp -r template/* $day/
find $day -type f -exec sed -i "s/template/$day/g" {} +
make format
find . -iname "template.day" -delete
git add $day
git commit -m "$day: Added template"

By convention for this repo, so I can ignore it, all programs will be called <foldername>.day eg day01.day.

To format code, call:

make format

Dependencies

To make a new lib:

cargo new --lib foo

Then you can refer to that lib in the Cargo.toml:

[dependencies.my_lib]
path = "../my_lib"

And in the code use

extern crate my_lib;

Note: Libs use a slightly different Makefile (no copy)

Lib list

  • filelib - A library for common file operations needed in advent of code. Most notably load_as_ints, which is used to load input that is just numbers per line.
  • mathlib - Math operations and functions I might need later.
  • gridlib - Represents a grid, a common pattern.

Copyright of Advent of Code

It has been asked to not include inputs, or puzzle texts in this repo. This is the command to clean up this information.

git filter-branch -f —tree-filter 'rm -rf day*/input' HEAD
git filter-branch -f —tree-filter 'rm -rf day*/README.md' HEAD