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19 lines
671 B
HTML
19 lines
671 B
HTML
<p>我们把只包含质因子 2、3 和 5 的数称作丑数（Ugly Number）。求按从小到大的顺序的第 n 个丑数。</p>
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<p> </p>
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<p><strong>示例:</strong></p>
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<pre><strong>输入:</strong> n = 10
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<strong>输出:</strong> 12
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<strong>解释: </strong><code>1, 2, 3, 4, 5, 6, 8, 9, 10, 12</code> 是前 10 个丑数。</pre>
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<p><strong>说明: </strong> </p>
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<ol>
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<li><code>1</code> 是丑数。</li>
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<li><code>n</code> <strong>不超过</strong>1690。</li>
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</ol>
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<p>注意：本题与主站 264 题相同：<a href="https://leetcode-cn.com/problems/ugly-number-ii/">https://leetcode-cn.com/problems/ugly-number-ii/</a></p>
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