Advent of Code

Solutions to Advent of Code website

              _                 _            __    _____          _
     /\      | |               | |          / _|  / ____|        | |
    /  \   __| |_   _____ _ __ | |_    ___ | |_  | |     ___   __| | ___
   / /\ \ / _` \ \ / / _ \ '_ \| __|  / _ \|  _| | |    / _ \ / _` |/ _ \
  / ____ \ (_| |\ V /  __/ | | | |_  | (_) | |   | |___| (_) | (_| |  __/
 /_/    \_\__,_| \_/ \___|_| |_|\__|  \___/|_|    \_____\___/ \__,_|\___|

Website

• https://adventofcode.com

CLI script

config.json

Fill out config.json using config.json.sample. Optional user-agent can be added due to this: link

# Download input (Requires config.json with SESSION_ID in it)
# bun cli.ts input -y YEAR -d DAY
bun cli.ts -d 1 input
# Copy .ts file from previous day
bun cli.ts -d 1 copy ts
# Submit answer PART ANSWER
bun cli.ts -d 1 submit 1 123
# Download prompt
bun cli.ts -d 1 prompt
# List all the solution for the year
bun cli.ts list
# Print help
bun cli.ts help

# --- OLD CLI ---
# Download input (Requires config.json with SESSION_ID in it)
# node cli.js download -y YEAR -d DAY
node cli.js download -d 1
# Copy .js file from previous day
node cli.js copy js -d 1
# Print help
node cli.js help

My workflow

chokidar -p true --polling-interval 1000 "20*/**/*" -c "node main.js 2019 11 | tee output.txt"
chokidar "20*/**/*" -c "bun main.ts 1 > output.txt 2>&1"
watchexec -w 2024 -r -- python ./2024/day1/day1.py
bun --watch 2021/day12/day12.ts
bun --watch test 2021/day12

Running solutions

JavaScript

# Run one year solutions
# node main.js YEAR
node main.js 2018
# Run one day solutions
# node main.js YEAR DAY
node main.js 2018 1
# Run one day solutions using current year
# node main.js DAY
node main.js 1

TypeScript

(Requires Bun)

# Run one day solutions
# bun main.ts YEAR DAY
bun main.ts 2018 1
# Run one day solutions using current year
# bun main.ts DAY
bun main.ts 1

(Requires Deno)

# Run one day solutions
# deno run --allow-run main-deno.ts YEAR DAY
deno run --allow-run main-deno.ts 2018 1
# Run one day solutions using current year
# deno run --allow-run main-deno.ts DAY
deno run --allow-run main-deno.ts 1

Clojure

(Requires inlein)

(Requires Babashka)

# Jack-in to repl
bb nrepl-server
# Run one day solutions
bb main.clj 2021 1
# Run one day solutions for current year
bb main.clj 1

# Run one day solutions
# inlein main-inlein.clj YEAR DAY
inlein main-inlein.clj 2019 1
# Run one day solutions for current year
# inlein main-inlein.clj DAY
inlein main-inlein.clj 1

C#

(Requires dotnet + dotnet-script)

# dotnet script PATH_TO_CS_FILE
dotnet script 2023/day1/day1.cs

Python

# Run one day solutions
# python3 main.py YEAR DAY
python3 main.py 2022 1
# Run one day solutions using current year
# python3 main.py DAY
python3 main.py 1

Ruby

# Run one year solutions
# ruby main.rb YEAR
ruby main.rb 2018
# Run one day solutions
# ruby main.rb YEAR DAY
ruby main.rb 2018 1
# Run one day solutions using current year
# ruby main.rb DAY
ruby main.rb 1

Rust

(Requires rust-script)

# Run one day solutions
./main.rs 2022 1
# Run one day solutions using current year
./main.rs 1

Lua

# Run file directly
lua 2023/day1/day1.lua

Haskell

# Compile
stack ghc 2019/day1/day1.hs
# Run compiled
2019/day1/day1.exe
# Run without compiling
stack runghc -- main.hs 2019 1
# Run file directly
stack runghc -- 2019/day1/day1.hs

Zig

# Run file directly
zig run 2023/day1/day1.zig