How do I add an enumeration type to reference an array
<p>My guess is.  However all the example I see create an instance of item_type say item_type_instance.  However my case is more simpler...I want something descriptive for my array not just using 0 and 1.</p>

<pre><code>enum item_type {weight, cost};
</code></pre>

<p>and then substitute weight and cost for 0 and 1.</p>

<pre><code>void algo(int cost_low,int cost_high,int throw_weight, int item_id)
  {
  int quantity,remainder;
  quantity=throw_weight/item_matrix[item_id][0];
  remainder=throw_weight%item_matrix[item_id][0];
  if(remainder==0)
    {
    cost_low=(quantity-1)*item_matrix[item_id][1];
    cost_high=quantity*item_matrix[item_id][1];
    throw_weight-=(quantity-1)*item_matrix[item_id][0];
    }
  else
    {
    cost_low=quantity*item_matrix[item_id][1];
    cost_high=(quantity+1)*item_matrix[item_id][1];  
    throw_weight-=quantity*item_matrix[item_id][0];
    }
  }
</code></pre>
