diff options
Diffstat (limited to 'docs/examples/sort.scala')
-rw-r--r-- | docs/examples/sort.scala | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/docs/examples/sort.scala b/docs/examples/sort.scala index 6554a2415b..cc06f19366 100644 --- a/docs/examples/sort.scala +++ b/docs/examples/sort.scala @@ -1,47 +1,47 @@ -package examples; +package examples object sort { def sort(a: Array[Int]): Unit = { def swap(i: Int, j: Int): Unit = { - val t = a(i); a(i) = a(j); a(j) = t; + val t = a(i); a(i) = a(j); a(j) = t } def sort1(l: Int, r: Int): Unit = { - val pivot = a((l + r) / 2); - var i = l; - var j = r; + val pivot = a((l + r) / 2) + var i = l + var j = r while (i <= j) { while (a(i) < pivot) { i = i + 1 } while (a(j) > pivot) { j = j - 1 } if (i <= j) { - swap(i, j); - i = i + 1; - j = j - 1; + swap(i, j) + i = i + 1 + j = j - 1 } } - if (l < j) sort1(l, j); - if (j < r) sort1(i, r); + if (l < j) sort1(l, j) + if (j < r) sort1(i, r) } if (a.length > 0) - sort1(0, a.length - 1); + sort1(0, a.length - 1) } def println(ar: Array[Int]) = { def print1 = { def iter(i: Int): String = - ar(i) + (if (i < ar.length-1) "," + iter(i+1) else ""); + ar(i) + (if (i < ar.length-1) "," + iter(i+1) else "") if (ar.length == 0) "" else iter(0) } Console.println("[" + print1 + "]") } - def main(args: Array[String]) = { - val ar = Array(6, 2, 8, 5, 1); - println(ar); - sort(ar); + def main(args: Array[String]): Unit = { + val ar = Array(6, 2, 8, 5, 1) + println(ar) + sort(ar) println(ar) } |