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Feb 1, 2021 · 9 min read · Leaving aside day 20 for a bit, let's look at day 21 Allergen Assessment. We must gather provisions for a journey by raft to our destination. The problem? The ingredient list on the foods is in an unknown language. The allergen information is in...
Join discussionJan 18, 2021 · 9 min read · Okay, after a bit of a delay... I got very stuck on Day 19, but couldn't let it go. I kept having great ideas for improving the solution to part 2, but couldn't get it to run fast enough to find the solution. After talking to a friend I finally s...
Join discussionDec 21, 2020 · 3 min read · Today's puzzle Operation Order is a simple arithmetic problem. The homework (your puzzle input) consists of a series of expressions that consist of addition (+), multiplication (*), and parentheses ((...)). Just like normal math, parentheses indic...
Join discussionDec 21, 2020 · 4 min read · Time to do some catchup. As I mentioned in my earlier post the Day 17 puzzle Conway Cubes is superficially similar to Day 11 Seating System which I wrote about here. The pocket dimension contains an infinite 3-dimensional grid. At every integer 3-...
Join discussionDec 18, 2020 · 1 min read · It's been a hard week to find time for AOC -- my grandma was diagnosed with Covid, my freelance work is picking up and... Christmas shopping. So I'm going to have to skip day 17 for now. Day 17 seems to be a 3D version of day 11 -- with an unknown...
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