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  1. object Main extends App{
  2.  
  3.   val PI = 3.14159
  4.  
  5.   def round(numbah: Double) = Math.round(numbah * 100.0) /    100.0
  6.  
  7.   def convert(input: String) = {
  8.     val conversionType = input.takeRight(2)
  9.     conversionType match {
  10.       case "rd" => round(input.dropRight(2).toDouble * 180 / PI).toString + "r"
  11.       case "dr" => round(input.dropRight(2).toDouble * PI / 180).toString + "d"
  12.       case _ => "no candidate for conversion"
  13.     }
  14.   }
  15.   //main
  16.   val input1 = "3.1416rd"
  17.   val input2 = "90dr"
  18.   val input3 = "100cr"
  19.   println(convert(input1))
  20.   println(convert(input2))
  21.   println(convert(input3))
  22. }
Success #stdin #stdout 0.35s 322496KB
comments ()
stdin
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Standard input is empty
stdout
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180.0r
1.57d
no candidate for conversion
https://ideone.com/XbOxrd
language:
Scala (scala 2.12.8)
created:
8 years ago
visibility:
public

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