LostKobrakai

LostKobrakai

Advent of Code 2020 - Day 9

This topic is about Day 9 of the Advent of Code 2020 .

Thanks to @egze, we have a private leaderboard:
https://adventofcode.com/2020/leaderboard/private/view/39276

The join code is:
39276-eeb74f9a

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LostKobrakai

LostKobrakai

Todays challenge was mostly a matter of chunking data in a fitting matter for the questions asked:

Edit:
Used a little more time to actually use the proper type for the fifo accumulator needed in part 2: :queue.

stevensonmt

stevensonmt

combinations =
        for a <- options, b <- options, uniq: true do
          [a, b] |> Enum.sort() |> List.to_tuple()
        end

umm, what? Is generating combinations really that simple? That’s brilliant.

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