Data commit

Task/Subleq/Swift/subleq.swift

@@ -0,0 +1,28 @@
+func subleq(_ inst: inout [Int]) {
+  var i = 0
+
+  while i >= 0 {
+    if inst[i] == -1 {
+      inst[inst[i + 1]] = Int(readLine(strippingNewline: true)!.unicodeScalars.first!.value)
+    } else if inst[i + 1] == -1 {
+      print(String(UnicodeScalar(inst[inst[i]])!), terminator: "")
+    } else {
+      inst[inst[i + 1]] -= inst[inst[i]]
+
+      if inst[inst[i + 1]] <= 0 {
+        i = inst[i + 2]
+        continue
+      }
+    }
+
+    i += 3
+  }
+}
+
+var prog = [
+  15, 17, -1, 17, -1, -1, 16, 1, -1, 16, 3, -1, 15, 15,
+  0, 0, -1, 72, 101, 108, 108, 111, 44, 32, 119, 111,
+  114, 108, 100, 33, 10, 0
+]
+
+subleq(&prog)