This repository holds my solutions and helper code for Advent Of Code 2021. These are by no means the "best" or "fastest" solutions out there. These are just my attempt at the challenge.
This program runs a specific day based on a few factors inside the Main class.
If it is the month of December in EST time and the 25th or earlier, whatever current day it is in EST time will be selected to run.
If this program is not run during Advent season, it will run ALL days by default.
An output from a day looks like the following:
Day 1:
Part 1: 123
Part 2: 456
Completed in 5.298ms
Note that "Completed in X.XXXms" is not a real or accurate benchmark, but my own approximate measure of how long a day takes to run.
For real benchmarks, please see gradle jmh and the benchmarks package.
If you would like to run a specific day outside the month of the December, use run(int) in the Main class.
This program can optionally read input data for a specified day using the Advent Of Code servers.
To enable this feature, you must include a session.txt file in the working directory.
This file should hold your session cookie from the Advent Of Code website, which can be found with browser inspection.
This cookie expires after a month which means the session.txt file needs to be updated from time to time.
If the input file is successfully retrieved from the servers, this data is cached in a text file relative to your run directory in the aoc_input directory.
Fetching data from the Advent Of Code servers is only used if a file with the input data for a specified day cannot be found to reduce load on the servers.
See the documentation on DataManager#read for more detail.