Using the Advent of Code 2022 puzzles to become more proficient in Go.

Required for this application to automatically download your user-specific input files for each puzzle. You can find your session token in adventofcode.com's session cookie in your browser.

If not set, the application will not be able to automatically download puzzle inputs. You will have to download each manually and save it to the correct location, e.g. ./day01/input.txt.

Sets the logrus log level. Valid values are panic, fatal, error, warn, info, debug, and trace. Defaults to warn if not set.

This repo's Makefile automates many useful operations.

Downloads and installs Go 1.19.3 and downloads all of this application's package dependencies.

Runs all unit tests.

Builds the advent-of-code-2022 executable in the current directory.

Deletes all build artifacts from the current directory, i.e. the advent-of-code-2022 executable.

Builds the advent-of-code-2022 executable and runs a single day's solution. Specify the day by setting the DAY parameter in the command line. Optionally, you can also set the LOG_LEVEL variable, otherwise it will default to warn. You can also specify an alternate INPUT_FILE, otherwise it will default to day${DAY}/input.txt.

make run DAY=1 [LOG_LEVEL=trace] [INPUT_FILE={path/to/input/file.txt}]

Builds the advent-of-code-2022 executable and runs all solutions for all days. Optionally, you can also set the LOG_LEVEL variable, otherwise it will default to warn.

make run-all [LOG_LEVEL=trace]

Builds the advent-of-code-2022 executable and installs it in the $GOPATH/bin directory.

Deletes the advent-of-code-2022 executable from the $GOPATH/bin directory.

This repo also contains a day 0 mock puzzle to do some integration testing of all things int he common package prior to the day 1 puzzle unlocking. It reads in a list of users from the input file and calculates their ages from their birthdays. Part 1's answer is the name of the oldest user and part 2's answer is that person's current age.

$ make run DAY=0
go build
AOC_LOG_LEVEL=warn ./advent-of-code-2022 0
Part 1 Answer: Joe Schmoe
Part 2 Answer: 38