Project Notes

Repeated DNA Sequences

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Description

tab: English
 
<p>The <strong>DNA sequence</strong> is composed of a series of nucleotides abbreviated as <code>&#39;A&#39;</code>, <code>&#39;C&#39;</code>, <code>&#39;G&#39;</code>, and <code>&#39;T&#39;</code>.</p>
 
<ul>
	<li>For example, <code>&quot;ACGAATTCCG&quot;</code> is a <strong>DNA sequence</strong>.</li>
</ul>
 
<p>When studying <strong>DNA</strong>, it is useful to identify repeated sequences within the DNA.</p>
 
<p>Given a string <code>s</code> that represents a <strong>DNA sequence</strong>, return all the <strong><code>10</code>-letter-long</strong> sequences (substrings) that occur more than once in a DNA molecule. You may return the answer in <strong>any order</strong>.</p>
 
<p>&nbsp;</p>
<p><strong class="example">Example 1:</strong></p>
<pre><strong>Input:</strong> s = "AAAAACCCCCAAAAACCCCCCAAAAAGGGTTT"
<strong>Output:</strong> ["AAAAACCCCC","CCCCCAAAAA"]
</pre><p><strong class="example">Example 2:</strong></p>
<pre><strong>Input:</strong> s = "AAAAAAAAAAAAA"
<strong>Output:</strong> ["AAAAAAAAAA"]
</pre>
<p>&nbsp;</p>
<p><strong>Constraints:</strong></p>
 
<ul>
	<li><code>1 &lt;= s.length &lt;= 10<sup>5</sup></code></li>
	<li><code>s[i]</code> is either <code>&#39;A&#39;</code>, <code>&#39;C&#39;</code>, <code>&#39;G&#39;</code>, or <code>&#39;T&#39;</code>.</li>
</ul>
 
 
 
---
 
[submissions](https://leetcode.com/problems/repeated-dna-sequences/submissions/) | [solutions](https://leetcode.com/problems/repeated-dna-sequences/solutions/)
 
 
tab: 中文
 
<p><strong>DNA序列</strong>&nbsp;由一系列核苷酸组成，缩写为<meta charset="UTF-8" />&nbsp;<code>'A'</code>,&nbsp;<code>'C'</code>,&nbsp;<code>'G'</code>&nbsp;和<meta charset="UTF-8" />&nbsp;<code>'T'</code>.。</p>
 
<ul>
	<li>例如，<meta charset="UTF-8" /><code>"ACGAATTCCG"</code>&nbsp;是一个 <strong>DNA序列</strong> 。</li>
</ul>
 
<p>在研究 <strong>DNA</strong> 时，识别 DNA 中的重复序列非常有用。</p>
 
<p>给定一个表示 <strong>DNA序列</strong> 的字符串 <code>s</code> ，返回所有在 DNA 分子中出现不止一次的&nbsp;<strong>长度为&nbsp;<code>10</code></strong>&nbsp;的序列(子字符串)。你可以按 <strong>任意顺序</strong> 返回答案。</p>
 
<p>&nbsp;</p>
 
<p><strong>示例 1：</strong></p>
 
<pre>
<strong>输入：</strong>s = "AAAAACCCCCAAAAACCCCCCAAAAAGGGTTT"
<strong>输出：</strong>["AAAAACCCCC","CCCCCAAAAA"]
</pre>
 
<p><strong>示例 2：</strong></p>
 
<pre>
<strong>输入：</strong>s = "AAAAAAAAAAAAA"
<strong>输出：</strong>["AAAAAAAAAA"]
</pre>
 
<p>&nbsp;</p>
 
<p><strong>提示：</strong></p>
 
<ul>
	<li><code>0 &lt;= s.length &lt;= 10<sup>5</sup></code></li>
	<li><code>s[i]</code><code>==</code><code>'A'</code>、<code>'C'</code>、<code>'G'</code>&nbsp;or&nbsp;<code>'T'</code></li>
</ul>
 
 
 
---
 
[提交记录](https://leetcode.cn/problems/repeated-dna-sequences/submissions/) | [题解](https://leetcode.cn/problems/repeated-dna-sequences/solution/)

Solutions & Notes

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