Advent of Code is an Advent calendar of small programming puzzles for a variety of skill sets and skill levels that can be solved in any programming language you like. People use them as a speed contest, interview prep, company training, university coursework, practice problems, or to challenge each other.

https://adventofcode.com/2019

1. npm install
2. npm run dev

Solutions for the days and parts can be accessed via the URL template: http://localhost:3001/day2/part1