Merge pull request #1 from anelatrakic/anelatrakic-contribution

Adding a second solution to Ugly-Number.java

Author: anelatrakic

Java/Ugly-Number.java

@@ -21,3 +21,19 @@ public boolean isUgly(int num) {
         return false;
     }
 }
+
+/* adding another solution without recursion */
+class Solution {
+    public boolean isUgly(int num) {
+        if (num <= 0) return false;
+        int[] divisors = {2, 3, 5};
+
+        for (int divisor : divisors) {
+            while (num % divisor == 0) {
+                num /= divisor;
+            }
+        }
+
+        return num == 1;
+    }
+}