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			27 lines
		
	
	
		
			835 B
		
	
	
	
		
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<p>给定一个整数数组  <code>nums</code> 和一个正整数 <code>k</code>,找出是否有可能把这个数组分成 <code>k</code> 个非空子集,其总和都相等。</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 = [4, 3, 2, 3, 5, 2, 1], k = 4
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<strong>输出:</strong> True
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<strong>说明:</strong> 有可能将其分成 4 个子集(5),(1,4),(2,3),(2,3)等于总和。</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 = [1,2,3,4], k = 3
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<strong>输出:</strong> false</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 <= k <= len(nums) <= 16</code></li>
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	<li><code>0 < nums[i] < 10000</code></li>
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	<li>每个元素的频率在 <code>[1,4]</code> 范围内</li>
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</ul>
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