advent-of-code Advent of Code puzzles 🎄🎄🎄🎄🎄 https://adventofcode.com Gradually working my way through AoC puzzles, entirely in R There are 50 ⭐ possible per year 2024 10 ⭐ 2023 06 ⭐ 2022 19 ⭐ 2021 32 ⭐ 2020 not started 2019 not started 2018 not started 2017 not started 2016 not started 2015 23 ⭐