Advent of Code solutions in Java

Connect your AoC account

Copy .env.dist file into .env file and fill in the value of session cookie after you have authenticated in AoC.

Examples how to run the CLI

Execute single solution with user input - Event 2023, Day 1

requires configured AoC access in .env file

./app -y 2023 -d 1

Execute single solution with test data - Event 2022, Day 13

./app -y 2022 -d 13 -t

Execute single solution and validate answers - Event 2021, Day 12

requires configured AoC access in .env file

./app -y 2021 -d 12 -v

Execute single solution - invalidate cache (means download input and answers from AoC) - Event 2020, Day 10

requires configured AoC access in .env file

./app -y 2020 -d 10 -c

Execute whole year - Event 2022, with user input

requires configured AoC access in .env file

./app -y 2022

Execute whole year - Event 2021, with test data

./app -y 2021 -t

Execute whole year - Event 2020, validate answers

requires configured AoC access in .env file

./app -y 2020 -v

Execute whole year - Event 2019, invalidate cache

requires configured AoC access in .env file

./app -y 2019 -c

Execute ALL events - with user input

requires configured AoC access in .env file

./app

Debugging guide

Debugging the CLI application can be done by running the debug script. It will start the application in dev mode, suspend the JVM, and pass all script arguments to the Quarkus application.

./debug -y 2023 -d 1

To attach to the suspended JVM from IntelliJ, create a new Remote JVM Debug configuration and set the port to 5005. Like this:

1. Go to Run -> Edit Configurations....
2. Click the + button and select Remote JVM Debug from the list.
3. Name the configuration something memorable, such as Attach to Quarkus CLI.
4. Ensure the Debugger mode is set to Attach to remote JVM.
5. Set the Host to localhost.
6. Set the Port to 5005. This is the default debug port that Quarkus uses.
7. Click Apply and OK.

Generating java solution scaffold for a given year and day

./scaffold 2023 1

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This repo does follow the automation guidelines on the /r/adventofcode community wiki https://www.reddit.com/r/adventofcode/wiki/faqs/automation. Specifically:

• Once inputs are downloaded, they are cached locally
• If you suspect your input is corrupted, you can execute the solution without a cache by adding '-c' flag
• The User-Agent header in com.vuryss.aoc.client.NativeJavaAdventOfCodeClient is set to me since I maintain this repo :)