Advent of Code ⭐️

This repository contains my solutions for Advent of Code problems. All solutions are implemented in TypeScript and JavaScript, runnable with modern Node.js.

2020

Day	Part 1	Part 2
Day 1	0.31ms	1.19ms
Day 2	4.06ms	2.87ms
Day 3	0.23ms	0.46ms
Day 4	2.82ms	3.80ms
Day 5	11.6ms	17.8ms
Day 6	11.2ms	15.7ms
Day 7	322ms 😱	16.1ms
Day 8	10.7ms	79.1ms
Day 9	10.2ms	13.3ms
Day 10	8.40ms	6.22ms
Day 11	1944ms 😱	1729ms 😱
Day 12	12.6ms	8.97ms
Day 13	9.08ms	9.67ms
Day 14	11.7ms	111ms
Day 15	5.96ms	5716ms 😱
Day 16	12.6ms	29.8ms

Usage

Prerequisites: install Node.js 14 (LTS) or later.

Quick-start instructions

1. Create an account at https://adventofcode.com.
2. Fork this repo
3. Clone the forked repository
4. cd into the repository and run npm install
5. Copy the example environment file to .env:

cp .env.example .env

6. In the created .env file, add your AOC session token to the SESSION variable

7. Scaffold a puzzle:

npm scaffold 							# Scaffold the current day
npm run scaffold -- --year 2015 --day 1	# Scaffold [year] [day]

8. Run a puzzle:

npm start 			# Run the current day
npm start 2015 1 	# Run [year] [day]

Testing

Run the tests with:

npm test

Run the tests (in parallel) with:

npm run test:parallel

License

The MIT License (MIT). Please see License File for more information.