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.

  • swlabr@awful.systems
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    2 years ago
    re: 2-2

    yeah that’s what I ended up thinking. Just try the brute force and if it’s too slow, maybe I’ll try be smarter about it.

    • gerikson@awful.systems
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      2 years ago
      re: 2-2

      I was convinced that some of the Perl gods in the subreddit would reveal some forgotten lore that solved this in one line but looks like my brute force method of removing one element at a time was the way to go.