[2021] What did you learn or take away from AoC 2021?

This page summarizes the projects mentioned and recommended in the original post on /r/adventofcode

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  • aoc2021

    Advent of Code 2021 (by ednl)

    I used a doubly linked list of digits in a static array for one snailfish number, in a static array of snailfish numbers (length 100 = size of input file). Turns out the maximum length needed for all digits in one number was only 274 (for my input!). Part 1+2 runs in about 20 ms on an M1. https://github.com/ednl/aoc2021/blob/main/day18.c

  • advent-of-code-2021

    Advent of Code 2021 https://adventofcode.com/2021 (by bozdoz)

  • WorkOS

    The modern API for authentication & user identity. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

  • Advent-of-Code-2021

    Made it through all 25 days of Advent of Code for the second time! (by Leftfish)

    I keep a diary of what I learned, revised or improved at in my repo.

  • amphibia

    It's here! "What is it?" You may ask? It's Amphibia™ of course! It's the Advent of Code 2021 Day 23 simulator you never asked for! Enjoy with a smile please!

    https://github.com/nevumx/amphibia ;)

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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