Create scala.sc

2019/2/scala.sc

@@ -0,0 +1,44 @@
+import scala.io.Source
+
+var original = Source.fromFile(getClass.getResource("/input2.txt").getFile).mkString.split("\\D+").map(x => x.toInt)
+original(1) = 12
+original(2) = 2
+var copy1 = original.clone()
+
+// 1
+def tapeTraversal1(arr:Array[Int]):Int =
+{
+  var i = 0
+  while (arr(i) == 1 || arr(i) == 2)
+  {
+    arr(i) match {
+      case 1 => arr(arr(i + 3)) = arr(arr(i + 1)) + arr(arr(i + 2))
+      case 2 => arr(arr(i + 3)) = arr(arr(i + 1)) * arr(arr(i + 2))
+      case _ => ()
+    }
+    i += 4
+  }
+  arr(0)
+}
+val result1 = tapeTraversal1(copy1)
+
+// 2
+def bruteForce2(arr:Array[Int]):(Int, Int) =
+{
+  var tuple = (0, 0)
+  for (i <- 0 to 99; j <- 0 to 99)
+  {
+    var copy = arr.clone()
+    copy(1) = i
+    copy(2) = j
+    if (tapeTraversal1(copy) == 19690720) tuple = (i, j)
+  }
+  tuple
+}
+
+val result2 = bruteForce2(original)
+
+
+
+
+