copy pasting the rules from last year’s thread:

Rules: no spoilers.

The other rules are made up aswe go along.

Share code by link to a forge, home page, pastebin (Eric Wastl has one here) or code section in a comment.

  • @gerikson
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    14 days ago

    day 6

    part 2

    I also brute-forced this. I figured there’s a bit optimization to be done if you “draw a line” to the next obstacle instead of going step by step, and also maybe exclude some areas, but in the end I just set an exit value to break if the number of steps exceeded a certain value and say that was a loop. Took almost 20m but a star is a star.

    update I only added obstructions in the original path, which cut the time down to 5 minutes or so.