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Challenges Borromean coprimes

Japt v1.4.5 -!, 8 bytes à ËryÃa1 Try it or run all test cases à ËryÃa1 :Implicit input of array à :Combinations (with the original array first) Ë :Map r ...

posted 11d ago by Shaggy‭

Answer
#1: Initial revision by user avatar Shaggy‭ · 2025-01-11T00:11:22Z (11 days ago) 
# [Japt](https://github.com/ETHproductions/japt) v1.4.5 [`-!`](https://codegolf.meta.stackexchange.com/a/14339/), 8 [bytes](https://en.wikipedia.org/wiki/ISO/IEC_8859-1)

    à ËryÃa1

[Try it](https://petershaggynoble.github.io/Japt-Interpreter/?v=1.4.5&flags=LSE&code=4CDLcnnDYTE&input=WzYgMTAgMTVd) or [run all test cases](https://petershaggynoble.github.io/Japt-Interpreter/?v=1.4.5&code=4CDLcnnDYTE&footer=IVU&input=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)

    à ËryÃa1     :Implicit input of array
    à            :Combinations (with the original array first)
      Ë          :Map
       r         :  Reduce by
        y        :    GCD
         Ã       :End map
          a1     :Last 0-based index of 1
                 :Implicit output of logical NOT of result