Merge pull request #58 from rahulc93/master

Added an entry for Stack under Data Structures

Tables.html

@@ -245,6 +245,18 @@ <h2 id="data-structures">Data Structures</h2>
       <td><code class="red">O(n)</code></td>
       <td><code class="red">O(n)</code></td>
 			<td><code class="yellow">O(n)</code></td>
+    </tr>
+    <tr>
+      <td><a href="http://en.wikipedia.org/wiki/Stack_(abstract_data_type)">Stack</a></td>
+      <td><code class="green">O(n)</code></td>
+      <td><code class="red">O(n)</code></td>
+      <td><code class="red">O(1)</code></td>
+      <td><code class="red">O(1)</code></td>
+			<td><code class="green">O(n)</code></td>
+      <td><code class="red">O(n)</code></td>
+      <td><code class="red">O(1)</code></td>
+      <td><code class="red">O(1)</code></td>
+			<td><code class="yellow">O(n)</code></td>
     </tr>
 		<tr>
       <td><a href="http://en.wikipedia.org/wiki/Singly_linked_list#Singly_linked_lists">Singly-Linked List</a></td>