title: given a number p , find two elements in array whose product = P
body: <p>I am looking for solution for :</p>
  
  <pre><code>Given a array and a number P , find two numbers in array whose product equals P.
  </code></pre>
  
  <p>Looking for solution better than O(n*2) . I am okay with using extra space or other datastructure .Any help is appreciated ?</p>