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			35 lines
		
	
	
		
			1002 B
		
	
	
	
		
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			35 lines
		
	
	
		
			1002 B
		
	
	
	
		
			HTML
		
	
	
	
	
	
<p>给出数字 <code>N</code>,返回由若干 <code>"0"</code> 和 <code>"1"</code>组成的字符串,该字符串为 <code>N</code> 的<strong>负二进制(<code>base -2</code>)</strong>表示。</p>
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<p>除非字符串就是 <code>"0"</code>,否则返回的字符串中不能含有前导零。</p>
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<p> </p>
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<p><strong>示例 1:</strong></p>
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<pre><strong>输入:</strong>2
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<strong>输出:</strong>"110"
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<strong>解释:</strong>(-2) ^ 2 + (-2) ^ 1 = 2
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</pre>
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<p><strong>示例 2:</strong></p>
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<pre><strong>输入:</strong>3
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<strong>输出:</strong>"111"
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<strong>解释:</strong>(-2) ^ 2 + (-2) ^ 1 + (-2) ^ 0 = 3
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</pre>
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<p><strong>示例 3:</strong></p>
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<pre><strong>输入:</strong>4
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<strong>输出:</strong>"100"
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<strong>解释:</strong>(-2) ^ 2 = 4
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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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<ol>
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	<li><code>0 <= N <= 10^9</code></li>
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</ol>
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