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  1. Practice
  2. Functional Programming
  3. Introduction
  4. Hello World
  5. Discussions

Hello World

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  • mika3 + 2 comments

    It seems elixir is broken

    • mingyar + 0 comments

      looks broken to me aswell

    • landonwilkins + 0 comments

      Here are some useful Elixir templates for this HackerRank domain: https://www.hackerrank.com/challenges/fp-solve-me-first/forum/comments/619040

      Hope you've been practicing Elixir, cheers!

  • aindl + 2 comments

    It seems haskell is broken:

    main = print "Hello World"

    Your Output (stdout) "Hello World" Expected Output Hello World

    • abhiranjan + 1 comment

      print -> putStrLn. You should not print ".

      • aindl + 1 comment

        thanks! Than it would make sense to fix https://www.hackerrank.com/challenges/fp-solve-me-first and use putStrLn there as well, because it is confusing.

        • abhiranjan + 1 comment

          Hi @aindl, for string type putStrLn should be preferred. While for non-string types you need to convert it into a string and then use putStrLn on it, and print is doing that for us. Check the difinition of print

          print = putStrLn. show
          • hugo_ratiney + 0 comments

            Thanks, this was confusing to me !

    • mudroljub + 0 comments

      The valid syntax is:

      main = do
  putStrLn "Hello World"

  • st1809095 + 0 comments

    -- Enter your code here. Read input from STDIN. Print output to STD hello_world = putStrLn "Hello World"

    -- This part relates to Input/Output and can be used as it is. Do not modify this section main = do hello_world

  • yaswanthsvist + 0 comments

    We would like to have javascript environment for FP.

  • holeeschiet + 0 comments

    Seems to be a simple thing but it turns into a problem... I can't even imagine how many problems appear when you build something like this worldpostalcode zip code finder which by the way is far not the most complex thing you can come up with.

  • TheSpeedDemon21 + 0 comments

    Dab

  • bogdan_volosincu + 0 comments

    -- fails at Submit with read STDIN hello_world = do input <- getLine putStrLn input

    -- submit successfully hello_world = do putStrLn "Hello World"

  • xxx666xxx682 + 0 comments

    in haskell

    main = interact $ (\x -> "Hello World")

  • brajrajsingh + 0 comments

    Dear Hackerrank Team Pls enable C/C++ Language in Functional Programming Section

  • robencom + 0 comments

    Lisp solution : (write-line "Hello World")

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