bjorng

bjorng

Erlang Core Team

Note: This topic is to talk about Day 15 of the Advent of Code.

For general discussion about the Advent of Code 2018 and links to topics of the other days, see this topic.

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bjorng

bjorng OP

Erlang Core Team

After Day 15 it was a relief to find that Day 16 was relatively straightforward.

I started by putting all implementations of all instructions in a separate Machine module, adding a code example for each instruction. That way, I could run the tests and be reasonably sure that I didn’t have any silly bugs in the instructions before starting the work on the puzzle solving code itself.

Here is my solution.

sasajuric

sasajuric

Author of Elixir In Action

This is my solution. I agree that today’s challenge was much simpler than day 15. The most interesting thing for me was computing the mapping of opcodes to instructions.

JEG2

JEG2

Author of Designing Elixir Systems with OTP

Day 16 was fun! Here’s my solution:

https://github.com/JEG2/advent_of_code_2018/blob/master/day_16/chronal_classification.exs

Here’s a video of me creating it (available for 14 days):

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