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A-M baby

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Ingy döt Net 2013-04-10 21:29:02 -07:00
parent 764da6cbbb
commit db842d013d
19005 changed files with 197040 additions and 7 deletions
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11
Task/Hailstone-sequence/Scala/hailstone-sequence.scala Normal file
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def hailstone(n: Int): Stream[Int] =
n #:: {
if (n == 1) Stream.empty
else hailstone(if (n % 2 == 0) n / 2 else n * 3 + 1)
}
def main(args: Array[String]) {
println(hailstone(27).toList)
val (n, len) = (1 to 100000).map(n => (n, hailstone(n).length)).maxBy(_._2)
println("value=" + n + " len=" + len)
}