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    Hi, author here. Happy to answer any questions you have on solving the Sudoku Puzzle with programming!

    starts vomiting blood

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      data structure quote

      I found this very insightful! Do you know who wrote it, or perchance have a link to any of the author’s other writings?

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        Here’s a slightly cleaner (imo) definition of ‘uniq’:

        [: ~. [: ,/ i.@# /:~"1@}.@|."0 2 ,"0/~
        

        Nicer would be to simply select the triangle directly, but I cannot figure out how to do it without a box:

        [: ; i.@# <@{."0 2 ,"0/~
        
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          My cursed contribution:

          ix=: 3 : '4$.$.</&i.~#y'
          uniq=: {~ ix
          
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        I especially enjoyed learning that CNF constitutes Clean Code! ;)

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          stands for Code Neatly Formatted, which industry insiders call Clean Code which is what we call jargon