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  4. Ruby - Strings - Indexing
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Ruby - Strings - Indexing

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75 Discussions

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  • andissteam
     + 0 comments
    string.tap { |s| s[4, 11] = ((s[4, 5].to_f + s[10, 5].to_f) / 2).round(2).to_s }

  • uchiha0007madara
     + 0 comments

    to_f to convert the string into float.

    def serial_average(str)
    num1, num2, num3 = str.split("-")
    avg = ((num2.to_f+num3.to_f)/2).round(2)
    ans = "#{num1}-#{avg}"
    return ans
end

  • mariocfbais
     + 0 comments
    def serial_average(n)
    "#{n[0, 3]}-#{((n[4, 5].to_f + n[10, 5].to_f) / 2).round(2)}"
end

  • cameron250taylor
     + 0 comments
    def serial_average(key = "001-12.43-56.78")
    serial = key[0,3]
    number1 = key[4, 5]
    number2 = key[10, 15]
    
    avg = (number1.to_f + number2.to_f) / 2
    avg = avg.round(2)
    key[4,11] = avg.to_s
    return key
end

  • yashdeora98294
     + 0 comments

    Here is ruby - strings - indexing problem solution - https://www.gyangav.com/2022/10/hackerrank-ruby-strings-indexing-problem-solution.html