1
0
mirror of https://gitee.com/coder-xiaomo/leetcode-problemset synced 2025-01-11 02:58:13 +08:00
Code Issues Projects Releases Wiki Activity GitHub Gitee
leetcode-problemset/leetcode-cn/problem (Chinese)/丑数 II [ugly-number-ii].html
2022-03-29 12:43:11 +08:00

30 lines
731 B
HTML
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<p>给你一个整数 <code>n</code> ,请你找出并返回第 <code>n</code><strong>丑数</strong></p>
<p><strong>丑数 </strong>就是只包含质因数 <code>2</code><code>3</code> 和/或 <code>5</code> 的正整数。</p>
<p> </p>
<p><strong>示例 1</strong></p>
<pre>
<strong>输入:</strong>n = 10
<strong>输出:</strong>12
<strong>解释:</strong>[1, 2, 3, 4, 5, 6, 8, 9, 10, 12] 是由前 10 个丑数组成的序列。
</pre>
<p><strong>示例 2</strong></p>
<pre>
<strong>输入:</strong>n = 1
<strong>输出:</strong>1
<strong>解释:</strong>1 通常被视为丑数。
</pre>
<p> </p>
<p><strong>提示:</strong></p>
<ul>
<li><code>1 <= n <= 1690</code></li>
</ul>