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Description

tab: English
 
<p>Given an integer array <code>nums</code> that may contain duplicates, return <em>all possible</em> <span data-keyword="subset"><em>subsets</em></span><em> (the power set)</em>.</p>
 
<p>The solution set <strong>must not</strong> contain duplicate subsets. Return the solution in <strong>any order</strong>.</p>
 
<p>&nbsp;</p>
<p><strong class="example">Example 1:</strong></p>
<pre><strong>Input:</strong> nums = [1,2,2]
<strong>Output:</strong> [[],[1],[1,2],[1,2,2],[2],[2,2]]
</pre><p><strong class="example">Example 2:</strong></p>
<pre><strong>Input:</strong> nums = [0]
<strong>Output:</strong> [[],[0]]
</pre>
<p>&nbsp;</p>
<p><strong>Constraints:</strong></p>
 
<ul>
	<li><code>1 &lt;= nums.length &lt;= 10</code></li>
	<li><code>-10 &lt;= nums[i] &lt;= 10</code></li>
</ul>
 
 
 
---
 
[submissions](https://leetcode.com/problems/subsets-ii/submissions/) | [solutions](https://leetcode.com/problems/subsets-ii/solutions/)
 
 
tab: 中文
 
<p>给你一个整数数组 <code>nums</code> ,其中可能包含重复元素,请你返回该数组所有可能的 <span data-keyword="subset">子集</span>(幂集)。</p>
 
<p>解集 <strong>不能</strong> 包含重复的子集。返回的解集中,子集可以按 <strong>任意顺序</strong> 排列。</p>
 
<div class="original__bRMd">
<div>
<p>&nbsp;</p>
 
<p><strong>示例 1:</strong></p>
 
<pre>
<strong>输入:</strong>nums = [1,2,2]
<strong>输出:</strong>[[],[1],[1,2],[1,2,2],[2],[2,2]]
</pre>
 
<p><strong>示例 2:</strong></p>
 
<pre>
<strong>输入:</strong>nums = [0]
<strong>输出:</strong>[[],[0]]
</pre>
 
<p>&nbsp;</p>
 
<p><strong>提示:</strong></p>
 
<ul>
	<li><code>1 &lt;= nums.length &lt;= 10</code></li>
	<li><code>-10 &lt;= nums[i] &lt;= 10</code></li>
</ul>
</div>
</div>
 
 
 
---
 
[提交记录](https://leetcode.cn/problems/subsets-ii/submissions/) | [题解](https://leetcode.cn/problems/subsets-ii/solution/)
 
 

Solutions & Notes

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