height-checker.md

<p>Students are asked to stand in non-decreasing order of heights for an annual photo.</p>

<p>Return the minimum number of students not standing in the right positions.&nbsp; (This is the number of students that must move in order for all students to be standing in non-decreasing order of height.)</p>

<p>&nbsp;</p>

<p><strong>Example 1:</strong></p>

<pre>
<strong>Input: </strong>[1,1,4,2,1,3]
<strong>Output: </strong>3
<strong>Explanation: </strong>
Students with heights 4, 3 and the last 1 are not standing in the right positions.
</pre>

<p>&nbsp;</p>

<p><strong>Note:</strong></p>

<ol>
	<li><code>1 &lt;= heights.length &lt;= 100</code></li>
	<li><code>1 &lt;= heights[i] &lt;= 100</code></li>
</ol>