master

src/series/C05S03_loops/C05EX01b.java

@@ -0,0 +1,14 @@
+package series.C05S03_loops;
+
+import various_tests.Input;
+
+public class C05EX01b {
+    public static void main(String[] args) {
+        double a = Input.readDouble();
+        if (a>=0) {
+            System.out.println(Math.sqrt(a));
+        } else {
+            System.out.println("error");
+        }
+    }
+}