binary-tree-right-side-view.md

<p>Given a binary tree, imagine yourself standing on the <em>right</em> side of it, return the values of the nodes you can see ordered from top to bottom.</p>

<p><strong>Example:</strong></p>

<pre>
<strong>Input:</strong>&nbsp;[1,2,3,null,5,null,4]
<strong>Output:</strong>&nbsp;[1, 3, 4]
<strong>Explanation:
</strong>
   1            &lt;---
 /   \
2     3         &lt;---
 \     \
  5     4       &lt;---
</pre>