Same procedure as every year… right?

Related tags

Command-line aoc2022
Overview

Advent of Code 2022 solutions

What this repository is

This repository contains solutions to Eric Wastls Advent of Code 2022. Thank you, Eric!

While the code aims to be as fast as possible (the goal is to complete all puzzles of 2022 in under one second), I often lack the time and/or knowledge to optimize it properly.

What this repository is not

I'm currently learning Rust, so don't expect the solutions to be idiomatic.

This is not the "best" or maybe not even a "good" solution. Most often it "just works".
Please do not use this repository to learn how to write good or fast code.

Setup

  • Create a file named "session_key.txt" in the "src" folder.
  • Get your session key
    • Press CTRL + Shift + I
    • Switch to the "Network" tab
    • Visit (or reload) https://adventofcode.com/ (& make sure you're logged in)
    • Select a request by clicking on it
    • On the right side, select "Cookies"
    • Copy the part between the quotes.
      • The session key should be 96 Hex-Characters
      • WARNING: DO NOT SHARE THIS KEY. NOT EVEN WITH YOUR DOG!
  • Paste this string (and only this string!) into the "session_key.txt" file
  • You can now run the project with Cargo (you must have Rust installed).
  • To schedule multiple runs (for averaging the times), add the number of runs just after the cargo command

If the request fails with "500 Internal Server Error", you entered a wrong session key.

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Comments
  • Day 10b - First column is not rendered

    Day 10b - First column is not rendered

    For whatever reason the first column is not rendered. Probably there is some sort of off-by-one error with the index.

    At least in my case the letters can be read nonetheless, so a (correct) solution was submitted anyways.

    Correctness 
    opened by itsCryne 0
  • Day 14 - No need to drop sand from (500,0)

    Day 14 - No need to drop sand from (500,0)

    Because falling sand does not alter the path until the point where it settles during step n, subsequent sand pieces will always take the same path until step n-1. Thus, many steps can be saved by caching this position and "generating" sand there.

    Performance - Time 
    opened by itsCryne 0
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Patrick
Physics student @​Uni Stuttgart | Dev @DeutscheDiscordAdmins
Patrick
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