Disabled external gits

cs320-clp/examples/Arithmetic.scala

@@ -0,0 +1,34 @@
+object Arithmetic {
+  def pow(b: Int, e: Int): Int = {
+    if (e == 0) { 1 }
+    else {
+      if (e % 2 == 0) {
+        val rec: Int = pow(b, e/2);
+        rec * rec
+      } else {
+        b * pow(b, e - 1)
+      }
+    }
+  }
+
+  def gcd(a: Int, b: Int): Int = {
+    if (a == 0 || b == 0) {
+      a + b
+    } else {
+      if (a < b) {
+        gcd(a, b % a)
+      } else {
+        gcd(a % b, b)
+      }
+    }
+  }
+
+  Std.printInt(pow(0, 10));
+  Std.printInt(pow(1, 5));
+  Std.printInt(pow(2, 10));
+  Std.printInt(pow(3, 3));
+  Std.printInt(gcd(0, 10));
+  Std.printInt(gcd(17, 99)); //
+  Std.printInt(gcd(16, 46)); // 2
+  Std.printInt(gcd(222, 888)) // 222
+}