September 2017 Update

Task/Van-der-Corput-sequence/Scala/van-der-corput-sequence.scala

@@ -0,0 +1,12 @@
+object VanDerCorput extends App {
+    def compute(n: Int, base: Int = 2) =
+        Iterator.from(0).
+            scanLeft(1)((a, _) => a * base).
+            map(b => (n - 1) / b -> b).
+            takeWhile(_._1 != 0).
+            foldLeft(0d)((a, b) => a + (b._1 % base).toDouble / b._2 / base)
+
+    val n = scala.io.StdIn.readInt
+    val b = scala.io.StdIn.readInt
+    (1 to n).foreach(x => println(compute(x, b)))
+}