@@ -814,7 +814,6 @@ Trade off or invest some memory to improve run time complexity. Suppose use Has-
 ### Binary Search Tree Implementation
 
 ![](https://i.imgur.com/QcEahdu.png)
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 <p class="codepen" data-height="300" data-theme-id="dark" data-default-tab="js" data-slug-hash="rNmBqWQ" data-user="roopkt" style="height: 300px; box-sizing: border-box; display: flex; align-items: center; justify-content: center; border: 2px solid; margin: 1em 0; padding: 1em;">
 <span>See the Pen <a href="https://codepen.io/roopkt/pen/rNmBqWQ">
 Binary Search Tree Implementation</a> by Rupesh Tiwari (<a href="https://codepen.io/roopkt">@roopkt</a>)