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27 lines
754 B
HTML
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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