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  1. object Main {
  2.   def main(args: Array[String]): Unit = {
  3.     val start = System.nanoTime()
  4.     val max = 1000000L
  5.     val a = Seq.range(0L, max,  2L)
  6.     val b = Seq.range(max, 0L, -2L)
  7.     val dot = a.zip(b).map(x => x._1 * x._2).sum
  8.     val end = System.nanoTime()
  9.     println(dot)
  10.     println((end.toDouble - start.toDouble)/math.pow(10, 9))
  11.   }
  12. }
  13.  
Success #stdin #stdout 1.91s 322944KB
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83333333333000000
1.791996195
https://ideone.com/Ob1Lvw
language:
Scala (scala 2.12.8)
created:
9 years ago
visibility:
public

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