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			27 lines
		
	
	
		
			754 B
		
	
	
	
		
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			27 lines
		
	
	
		
			754 B
		
	
	
	
		
			HTML
		
	
	
	
	
	
<p>数字以0123456789101112131415…的格式序列化到一个字符序列中。在这个序列中,第5位(从下标0开始计数)是5,第13位是1,第19位是4,等等。</p>
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<p>请写一个函数,求任意第n位对应的数字。</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>n = 3
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<strong>输出:</strong>3
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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>n = 11
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<strong>输出:</strong>0</pre>
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<p> </p>
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<p><strong>限制:</strong></p>
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<ul>
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	<li><code>0 <= n < 2^31</code></li>
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</ul>
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<p>注意:本题与主站 400 题相同:<a href="https://leetcode-cn.com/problems/nth-digit/">https://leetcode-cn.com/problems/nth-digit/</a></p>
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