Data commit

Task/Eban-numbers/Scala/eban-numbers.scala

@@ -0,0 +1,64 @@
+object EbanNumbers {
+
+  class ERange(s: Int, e: Int, p: Boolean) {
+    val start: Int = s
+    val end: Int = e
+    val print: Boolean = p
+  }
+
+  def main(args: Array[String]): Unit = {
+    val rgs = List(
+      new ERange(2, 1000, true),
+      new ERange(1000, 4000, true),
+      new ERange(2, 10000, false),
+      new ERange(2, 100000, false),
+      new ERange(2, 1000000, false),
+      new ERange(2, 10000000, false),
+      new ERange(2, 100000000, false),
+      new ERange(2, 1000000000, false)
+    )
+    for (rg <- rgs) {
+      if (rg.start == 2) {
+        println(s"eban numbers up to an including ${rg.end}")
+      } else {
+        println(s"eban numbers between ${rg.start} and ${rg.end}")
+      }
+
+      var count = 0
+      for (i <- rg.start to rg.end) {
+        val b = i / 1000000000
+        var r = i % 1000000000
+        var m = r / 1000000
+        r = i % 1000000
+        var t = r / 1000
+        r %= 1000
+        if (m >= 30 && m <= 66) {
+          m %= 10
+        }
+        if (t >= 30 && t <= 66) {
+          t %= 10
+        }
+        if (r >= 30 && r <= 66) {
+          r %= 10
+        }
+        if (b == 0 || b == 2 || b == 4 || b == 6) {
+          if (m == 0 || m == 2 || m == 4 || m == 6) {
+            if (t == 0 || t == 2 || t == 4 || t == 6) {
+              if (r == 0 || r == 2 || r == 4 || r == 6) {
+                if (rg.print) {
+                  print(s"$i ")
+                }
+                count += 1
+              }
+            }
+          }
+        }
+      }
+      if (rg.print) {
+        println()
+      }
+      println(s"count = $count")
+      println()
+    }
+  }
+}