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leetcode-problemset/leetcode-cn/problem (Chinese)/漂亮数组 [beautiful-array].html

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2022-03-27 20:46:41 +08:00
<p>对于某些固定的&nbsp;<code>N</code>,如果数组&nbsp;<code>A</code>&nbsp;是整数&nbsp;<code>1, 2, ..., N</code>&nbsp;组成的排列,使得:</p>
<p>对于每个&nbsp;<code>i &lt; j</code>,都<strong>不存在</strong>&nbsp;<code>k</code> 满足&nbsp;<code>i &lt; k &lt; j</code>&nbsp;使得&nbsp;<code>A[k] * 2 = A[i] + A[j]</code></p>
<p>那么数组 <code>A</code>&nbsp;是漂亮数组。</p>
<p>&nbsp;</p>
<p>给定&nbsp;<code>N</code>,返回<strong>任意</strong>漂亮数组&nbsp;<code>A</code>(保证存在一个)。</p>
<p>&nbsp;</p>
<p><strong>示例 1</strong></p>
<pre><strong>输入:</strong>4
<strong>输出:</strong>[2,1,4,3]
</pre>
<p><strong>示例 2</strong></p>
<pre><strong>输入:</strong>5
<strong>输出:</strong>[3,1,2,5,4]</pre>
<p>&nbsp;</p>
<p><strong>提示:</strong></p>
<ul>
<li><code>1 &lt;= N &lt;= 1000</code></li>
</ul>
<p>&nbsp;</p>