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			34 lines
		
	
	
		
			862 B
		
	
	
	
		
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<p>给定一个可包含重复数字的整数集合 <code>nums</code> ,<strong>按任意顺序</strong> 返回它所有不重复的全排列。</p>
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<p> </p>
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<p><strong>示例 1:</strong></p>
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<pre>
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<strong>输入:</strong>nums = [1,1,2]
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<strong>输出:</strong>
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[[1,1,2],
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 [1,2,1],
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 [2,1,1]]
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</pre>
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<p><strong>示例 2:</strong></p>
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<pre>
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<strong>输入:</strong>nums = [1,2,3]
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<strong>输出:</strong>[[1,2,3],[1,3,2],[2,1,3],[2,3,1],[3,1,2],[3,2,1]]
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</pre>
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<p> </p>
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<p><strong>提示:</strong></p>
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<ul>
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	<li><code>1 <= nums.length <= 8</code></li>
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	<li><code>-10 <= nums[i] <= 10</code></li>
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</ul>
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<p> </p>
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<p><meta charset="UTF-8" />注意:本题与主站 47 题相同: <a href="https://leetcode-cn.com/problems/permutations-ii/">https://leetcode-cn.com/problems/permutations-ii/</a></p>
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