title: How to pass 2D map as a parameter to a function in c++?
body: <p>I have a map like</p>
  
  <pre><code>std::map&lt; int, int&gt; random[50];
  </code></pre>
  
  <p>How can i pass this map as a parameter to a function say Perform()?</p>
  
  <p>Thanks in advance.</p>