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Challenges

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Challenges Evaluation order of an APL n-train

Jelly, 5 bytes ḶHĊUỤ Try it online! Uses xash's method over on CGCC How it works ḶHĊUỤ - Main link. Takes n on the left Ḷ - Range from 0 to n-1 H - Halve Ċ - Ceiling ...

posted 3y ago by caird coinheringaahing‭  ·  edited 3y ago by caird coinheringaahing‭

Answer
#2: Post edited by user avatar caird coinheringaahing‭ · 2021-06-07T23:51:15Z (over 3 years ago)
  • # [Jelly], 5 bytes
  • ḶHĊUỤ
  • [Try it online!][TIO-kpn9lpt3]
  • [Jelly]: https://github.com/DennisMitchell/jelly
  • [TIO-kpn9lpt3]: https://tio.run/##y0rNyan8///hjm0eR7pCH@5e8t/QIOhw@6OmNe7/FQy5FIwUQKQxkFRQMOJSMFEAiRiDBU3BDBOYlBmYbYqkwBzMNUNVZgEWMcdQbAkWtMCixdAALG6JVSMA "Jelly – Try It Online"
  • # [Jelly], 5 bytes
  • ḶHĊUỤ
  • [Try it online!][TIO-kpn9lpt3]
  • [Jelly]: https://github.com/DennisMitchell/jelly
  • [TIO-kpn9lpt3]: https://tio.run/##y0rNyan8///hjm0eR7pCH@5e8t/QIOhw@6OmNe7/FQy5FIwUQKQxkFRQMOJSMFEAiRiDBU3BDBOYlBmYbYqkwBzMNUNVZgEWMcdQbAkWtMCixdAALG6JVSMA "Jelly – Try It Online"
  • Uses [xash's method](https://codegolf.stackexchange.com/a/229227/66833) over on CGCC
  • ## How it works
  • ḶHĊUỤ - Main link. Takes n on the left
  • Ḷ - Range from 0 to n-1
  • H - Halve
  • Ċ - Ceiling
  • U - Reverse
  • Ụ - Grade; Sort the indices of n by its elements
#1: Initial revision by user avatar caird coinheringaahing‭ · 2021-06-07T23:48:38Z (over 3 years ago)
# [Jelly], 5 bytes

    ḶHĊUỤ

[Try it online!][TIO-kpn9lpt3]

[Jelly]: https://github.com/DennisMitchell/jelly
[TIO-kpn9lpt3]: https://tio.run/##y0rNyan8///hjm0eR7pCH@5e8t/QIOhw@6OmNe7/FQy5FIwUQKQxkFRQMOJSMFEAiRiDBU3BDBOYlBmYbYqkwBzMNUNVZgEWMcdQbAkWtMCixdAALG6JVSMA "Jelly – Try It Online"