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@ -17,7 +17,9 @@ First load the data as a list of positive or negative numbers |
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Then add the rotations starting from the initial offset and count the |
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Then add the rotations starting from the initial offset and count the |
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number of 0's mod 100; that is what we need for part 1 |
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number of 0's mod 100; that is what we need for part 1 |
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#+begin_src emacs-lisp |
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#+begin_src emacs-lisp |
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(length (--filter (= 0 it) (--map (mod it 100) (-running-sum (append '(50) data))))) |
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(length (--filter (= 0 it) |
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(--map (mod it 100) |
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(-running-sum (cons 50 data))))) |
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#+end_src |
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#+end_src |
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#+RESULTS: |
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#+RESULTS: |
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