This repository contains Python solutions to the 2019 edition of Advent of Code. Given that I had already completed a number of these puzzles in 2020, this repository will mostly contain problems I either hadn't tackled or wanted to revisit.
| Day | Description | Solution |
|---|---|---|
| 2 | Intcode puzzle. | ⭐⭐ |
| 5 | Intcode puzzle. | ⭐⭐ |
| 7 | Intcode puzzle, with multiple 'computers' running at once. | ⭐⭐ |
| 9 | Intcode puzzle, creating complete intcode 'computer'. | ⭐⭐ |
| 12 | Moons moving through space. Find position after 1000 turns, then number of turns before the moons return to a given position. | ⭐⭐ |
| 13 | Intcode puzzle, using the 'computer' to play an arcade game. | ⭐⭐ |
| 14 | Fuel processing using a list of recipes. | ⭐⭐ |
| 15 | Intcode puzzle, find oxygen location in unknown room using remotely controlled robot. | ⭐⭐ |
| 17 | Intcode puzzle, walking robot through scaffolding. | ⭐⭐ |
| 18 | Key maze. Path finding with requirements (need to collect keys to open doors). | ⭐⭐ |
| 19 | Intcode puzzle. Fitting a square between two lines. | ⭐⭐ |
| 20 | "Donut maze". Path finding through a recursive maze. | ⭐⭐ |
| 21 | Intcode puzzle. Creating a series of instructions so the springdroid doesn't fall in a hole in the ground. | ⭐⭐ |
| 23 | Intcode puzzle. Computer network. | ⭐⭐ |
| 25 | Intcode puzzle. Text-based adventure, with a specific set of items needed to solve part 1. | ⭐ |