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<p>给你一个整数 <code>n</code> ,按字典序返回范围 <code>[1, n]</code> 内所有整数。</p>
<p>你必须设计一个时间复杂度为 <code>O(n)</code> 且使用 <code>O(1)</code> 额外空间的算法。</p>
<p>&nbsp;</p>
<p><strong>示例 1</strong></p>
<pre>
<strong>输入:</strong>n = 13
<strong>输出:</strong>[1,10,11,12,13,2,3,4,5,6,7,8,9]
</pre>
<p><strong>示例 2</strong></p>
<pre>
<strong>输入:</strong>n = 2
<strong>输出:</strong>[1,2]
</pre>
<p>&nbsp;</p>
<p><strong>提示:</strong></p>
<ul>
<li><code>1 &lt;= n &lt;= 5 * 10<sup>4</sup></code></li>
</ul>