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<html lang="zh"><head><title>数据结构</title><meta charset="utf-8"/><link rel="preconnect" href="https://fonts.googleapis.com"/><link rel="preconnect" href="https://fonts.gstatic.com"/><link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=IBM Plex Mono&family=Noto Serif Simplified Chinese:wght@400;700&family=Source Sans Pro:ital,wght@0,400;0,600;1,400;1,600&display=swap"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta property="og:title" content="数据结构"/><meta property="og:description" content="数据结构的定义."/><meta property="og:image" content="https://wiki.7wate.com/static/og-image.png"/><meta property="og:width" content="1200"/><meta property="og:height" content="675"/><link rel="icon" href="../../static/icon.png"/><meta name="description" content="数据结构的定义."/><meta name="generator" content="Quartz"/><link href="../../index.css" rel="stylesheet" type="text/css" spa-preserve/><link href="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.16.9/katex.min.css" rel="stylesheet" type="text/css" spa-preserve/><script src="../../prescript.js" type="application/javascript" spa-preserve></script><script type="application/javascript" spa-preserve>const fetchData = fetch("../../static/contentIndex.json").then(data => data.json())</script></head><body data-slug="Technology/StructuresAlgorithms/数据结构"><div id="quartz-root" class="page"><div id="quartz-body"><div class="left sidebar"><h2 class="page-title"><a href="../..">🪴 X·Eden</a></h2><div class="spacer mobile-only"></div><div class="search"><button class="search-button" id="search-button"><p>搜索</p><svg role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 19.9 19.7"><title>Search</title><g class="search-path" fill="none"><path stroke-linecap="square" d="M18.5 18.3l-5.4-5.4"></path><circle cx="8" cy="8" r="7"></circle></g></svg></button><div id="search-container"><div id="search-space"><input autocomplete="off" id="search-bar" name="search" type="text" aria-label="搜索些什么" placeholder="搜索些什么"/><div id="search-layout" data-preview="true"></div></div></div></div><button class="darkmode" id="darkmode"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" id="dayIcon" x="0px" y="0px" viewBox="0 0 35 35" style="enable-background:new 0 0 35 35" xml:space="preserve" aria-label="暗色模式"><title>暗色模式</title><path d="M6,17.5C6,16.672,5.328,16,4.5,16h-3C0.672,16,0,16.672,0,17.5 S0.672,19,1.5,19h3C5.328,19,6,18.328,6,17.5z M7.5,26c-0.414,0-0.789,0.168-1.061,0.439l-2,2C4.168,28.711,4,29.086,4,29.5 C4,30.328,4.671,31,5.5,31c0.414,0,0.789-0.168,1.06-0.44l2-2C8.832,28.289,9,27.914,9,27.5C9,26.672,8.329,26,7.5,26z M17.5,6 C18.329,6,19,5.328,19,4.5v-3C19,0.672,18.329,0,17.5,0S16,0.672,16,1.5v3C16,5.328,16.671,6,17.5,6z M27.5,9 c0.414,0,0.789-0.168,1.06-0.439l2-2C30.832,6.289,31,5.914,31,5.5C31,4.672,30.329,4,29.5,4c-0.414,0-0.789,0.168-1.061,0.44 l-2,2C26.168,6.711,26,7.086,26,7.5C26,8.328,26.671,9,27.5,9z M6.439,8.561C6.711,8.832,7.086,9,7.5,9C8.328,9,9,8.328,9,7.5 c0-0.414-0.168-0.789-0.439-1.061l-2-2C6.289,4.168,5.914,4,5.5,4C4.672,4,4,4.672,4,5.5c0,0.414,0.168,0.789,0.439,1.06 L6.439,8.561z M33.5,16h-3c-0.828,0-1.5,0.672-1.5,1.5s0.672,1.5,1.5,1.5h3c0.828,0,1.5-0.672,1.5-1.5S34.328,16,33.5,16z M28.561,26.439C28.289,26.168,27.914,26,27.5,26c-0.828,0-1.5,0.672-1.5,1.5c0,0.414,0.168,0.789,0.439,1.06l2,2 C28.711,30.832,29.086,31,29.5,31c0.828,0,1.5-0.672,1.5-1.5c0-0.414-0.168-0.789-0.439-1.061L28.561,26.439z M17.5,29 c-0.829,0-1.5,0.672-1.5,1.5v3c0,0.828,0.671,1.5,1.5,1.5s1.5-0.672,1.5-1.5v-3C19,29.672,18.329,29,17.5,29z M17.5,7 C11.71,7,7,11.71,7,17.5S11.71,28,17.5,28S28,23.29,28,17.5S23.29,7,17.5,7z M17.5,25c-4.136,0-7.5-3.364-7.5-7.5 c0-4.136,3.364-7.5,7.5-7.5c4.136,0,7.5,3.364,7.5,7.5C25,21.636,21.636,25,17.5,25z"></path></svg><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" id="nightIcon" x="0px" y="0px" viewBox="0 0 100 100" style
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<p>数据结构是相互之间存在<strong>一种或多种特定关系</strong>的数据元素的集合。</p>
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<h2 id="数据">数据<a role="anchor" aria-hidden="true" tabindex="-1" data-no-popover="true" href="#数据" class="internal"><svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M10 13a5 5 0 0 0 7.54.54l3-3a5 5 0 0 0-7.07-7.07l-1.72 1.71"></path><path d="M14 11a5 5 0 0 0-7.54-.54l-3 3a5 5 0 0 0 7.07 7.07l1.71-1.71"></path></svg></a></h2>
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<p>数据是描述客观事物的符号，是计算机中可以操作的对象，是能被计算机识别，并输入给计算机处理的符号集合。</p>
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<p><strong>数据项 > 数据元素 >> 数据对象：数据项构成了数据元素，数据元素组合成了数据对象。</strong></p>
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<h2 id="结构">结构<a role="anchor" aria-hidden="true" tabindex="-1" data-no-popover="true" href="#结构" class="internal"><svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M10 13a5 5 0 0 0 7.54.54l3-3a5 5 0 0 0-7.07-7.07l-1.72 1.71"></path><path d="M14 11a5 5 0 0 0-7.54-.54l-3 3a5 5 0 0 0 7.07 7.07l1.71-1.71"></path></svg></a></h2>
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<p>结构是不同数据元素之间不是独立的，而是存在特定的关系。</p>
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<h3 id="逻辑结构">逻辑结构<a role="anchor" aria-hidden="true" tabindex="-1" data-no-popover="true" href="#逻辑结构" class="internal"><svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M10 13a5 5 0 0 0 7.54.54l3-3a5 5 0 0 0-7.07-7.07l-1.72 1.71"></path><path d="M14 11a5 5 0 0 0-7.54-.54l-3 3a5 5 0 0 0 7.07 7.07l1.71-1.71"></path></svg></a></h3>
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<p>逻辑结构是指<strong>数据对象 中 数据元素</strong>之间的相互关系。</p>
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<ul>
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<li>集合：集合结构中的数据元素除了属于一个集合外，它们之间<strong>没有其他关系</strong>。</li>
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<li>线性：线性结构中的数据元素之间是<strong>一对一的关系</strong>。</li>
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<li>树形：树形结构中的数据元素之间存在一种<strong>多对多的层次关系</strong>。</li>
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<li>图形：图形结构的数据元素是<strong>多对多的关系</strong>。</li>
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</ul>
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<h3 id="物理结构">物理结构<a role="anchor" aria-hidden="true" tabindex="-1" data-no-popover="true" href="#物理结构" class="internal"><svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M10 13a5 5 0 0 0 7.54.54l3-3a5 5 0 0 0-7.07-7.07l-1.72 1.71"></path><path d="M14 11a5 5 0 0 0-7.54-.54l-3 3a5 5 0 0 0 7.07 7.07l1.71-1.71"></path></svg></a></h3>
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<p>物理结构是指数据的逻辑结构在计算机中的存储形式。</p>
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<h4 id="顺序存储">顺序存储<a role="anchor" aria-hidden="true" tabindex="-1" data-no-popover="true" href="#顺序存储" class="internal"><svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M10 13a5 5 0 0 0 7.54.54l3-3a5 5 0 0 0-7.07-7.07l-1.72 1.71"></path><path d="M14 11a5 5 0 0 0-7.54-.54l-3 3a5 5 0 0 0 7.07 7.07l1.71-1.71"></path></svg></a></h4>
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<p>顺序存储结构是把数据元素放在地址连续的存储单元里，其数据间的逻辑关系和物理关系是一致的。</p>
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<h4 id="链式存储">链式存储<a role="anchor" aria-hidden="true" tabindex="-1" data-no-popover="true" href="#链式存储" class="internal"><svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M10 13a5 5 0 0 0 7.54.54l3-3a5 5 0 0 0-7.07-7.07l-1.72 1.71"></path><path d="M14 11a5 5 0 0 0-7.54-.54l-3 3a5 5 0 0 0 7.07 7.07l1.71-1.71"></path></svg></a></h4>
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<p>链式存储结构是把数据元素存放在任意的存储单元里，这组存储单元可以是连续的，也可以是不连续的。</p>
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<h2 id="数据类型">数据类型<a role="anchor" aria-hidden="true" tabindex="-1" data-no-popover="true" href="#数据类型" class="internal"><svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M10 13a5 5 0 0 0 7.54.54l3-3a5 5 0 0 0-7.07-7.07l-1.72 1.71"></path><path d="M14 11a5 5 0 0 0-7.54-.54l-3 3a5 5 0 0 0 7.07 7.07l1.71-1.71"></path></svg></a></h2>
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<p>数据类型是指一组<strong>性质相同的值的集合</strong>以及定义在此<strong>集合上的一些操作</strong>的总称。</p>
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<h3 id="定义">定义<a role="anchor" aria-hidden="true" tabindex="-1" data-no-popover="true" href="#定义" class="internal"><svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M10 13a5 5 0 0 0 7.54.54l3-3a5 5 0 0 0-7.07-7.07l-1.72 1.71"></path><path d="M14 11a5 5 0 0 0-7.54-.54l-3 3a5 5 0 0 0 7.07 7.07l1.71-1.71"></path></svg></a></h3>
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<ul>
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<li>相同数据对象集合（例如整数 > 整数型，字符 > 字符型）。</li>
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<li>集合相关联的操作（整数可以加减，字符可以拼接）。</li>
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</ul>
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<h3 id="分类">分类<a role="anchor" aria-hidden="true" tabindex="-1" data-no-popover="true" href="#分类" class="internal"><svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M10 13a5 5 0 0 0 7.54.54l3-3a5 5 0 0 0-7.07-7.07l-1.72 1.71"></path><path d="M14 11a5 5 0 0 0-7.54-.54l-3 3a5 5 0 0 0 7.07 7.07l1.71-1.71"></path></svg></a></h3>
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<ul>
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<li>原子类型（字节型、数值型、字符串型）。</li>
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<li>结构类型（原子类型的组合）。</li>
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</ul>
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<h2 id="抽象数据类型">抽象数据类型<a role="anchor" aria-hidden="true" tabindex="-1" data-no-popover="true" href="#抽象数据类型" class="internal"><svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M10 13a5 5 0 0 0 7.54.54l3-3a5 5 0 0 0-7.07-7.07l-1.72 1.71"></path><path d="M14 11a5 5 0 0 0-7.54-.54l-3 3a5 5 0 0 0 7.07 7.07l1.71-1.71"></path></svg></a></h2>
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<p>抽象数据类型（Abstract Data Type，ADT）是指一个数学模型及其定义在该模型上的一组操作。</p>
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<figure data-rehype-pretty-code-figure><pre tabindex="0" data-language="markdown" data-theme="github-light github-dark"><code data-language="markdown" data-theme="github-light github-dark" style="display:grid;"><span data-line><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">ADT 抽象数据类型名</span></span>
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<span data-line><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">Data</span></span>
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<span data-line><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> 数据元素之间逻辑关系的定义</span></span>
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<span data-line><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">Operation</span></span>
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<span data-line><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> 操作1</span></span>
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<span data-line><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> 初始条件</span></span>
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<span data-line><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> 操作结果描述</span></span>
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<span data-line><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> 操作2</span></span>
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<span data-line><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> …………</span></span>
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<span data-line><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> 操作n</span></span>
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<span data-line><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> …………</span></span>
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<span data-line><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">endADT</span></span></code></pre></figure></article><hr/><div class="page-footer"></div></div><div class="right sidebar"><div class="graph"><h3>关系图谱</h3><div class="graph-outer"><div id="graph-container" data-cfg="{"drag":true,"zoom":true,"depth":1,"scale":1.1,"repelForce":0.5,"centerForce":0.3,"linkDistance":30,"fontSize":0.6,"opacityScale":1,"showTags":true,"removeTags":[],"focusOnHover":false}"></div><button id="global-graph-icon" aria-label="Global Graph"><svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 55 55" fill="currentColor" xml:space="preserve"><path d="M49,0c-3.309,0-6,2.691-6,6c0,1.035,0.263,2.009,0.726,2.86l-9.829,9.829C32.542,17.634,30.846,17,29,17
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s-2-0.897-2-2s0.897-2,2-2S47,39.897,47,41z M49,10c-2.206,0-4-1.794-4-4s1.794-4,4-4s4,1.794,4,4S51.206,10,49,10z"></path></svg></button></div><div id="global-graph-outer"><div id="global-graph-container" data-cfg="{"drag":true,"zoom":true,"depth":-1,"scale":0.9,"repelForce":0.5,"centerForce":0.3,"linkDistance":30,"fontSize":0.6,"opacityScale":1,"showTags":true,"removeTags":[],"focusOnHover":true}"></div></div></div><div class="toc desktop-only"><button type="button" id="toc" class aria-controls="toc-content" aria-expanded="true"><h3>目录</h3><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="fold"><polyline points="6 9 12 15 18 9"></polyline></svg></button><div id="toc-content" class><ul class="overflow"><li class="depth-0"><a href="#概述" data-for="概述">概述</a></li><li class="depth-0"><a href="#数据" data-for="数据">数据</a></li><li class="depth-0"><a href="#结构" data-for="结构">结构</a></li><li class="depth-1"><a href="#逻辑结构" data-for="逻辑结构">逻辑结构</a></li><li class="depth-1"><a href="#物理结构" data-for="物理结构">物理结构</a></li><li class="depth-0"><a href="#数据类型" data-for="数据类型">数据类型</a></li><li class="depth-1"><a href="#定义" data-for="定义">定义</a></li><li class="depth-1"><a href="#分类" data-for="分类">分类</a></li><li class="depth-0"><a href="#抽象数据类型" data-for="抽象数据类型">抽象数据类型</a></li></ul></div></div><div class="explorer mobile-only"><button type="button" id="explorer" data-behavior="collapse" data-collapsed="collapsed" data-savestate="true" data-tree="[{"path":"Personal","collapsed":true},{"path":"Personal/Blog","collapsed":true},{"path":"Personal/Blog/2018","collapsed":true},{"path":"Personal/Blog/2020","collapsed":true},{"path":"Personal/Blog/2021","collapsed":true},{"path":"Personal/Blog/2022","collapsed":true},{"path":"Personal/Blog/2023","collapsed":true},{"path":"Personal/Blog/2024","collapsed":true},{"path":"Personal/Book","collapsed":true},{"path":"Personal/Book/个人成长","collapsed":true},{"path":"Personal/Book/医学健康","collapsed":true},{"path":"Personal/Book/历史","collapsed":true},{"path":"Personal/Book/哲学宗教","collapsed":true},{"path":"Personal/Book/心理","collapsed":true},{"path":"Personal/Book/政治军事","collapsed":true},{"path":"Personal/Book/教育学习","collapsed":true},{"path":"Personal/Book/文学","collapsed":true},{"path":"Personal/Book/生活百科","collapsed":true},{"path":"Personal/Book/社会文化","collapsed":true},{"path":"Personal/Book/科学技术","collapsed":true},{"path":"Personal/Book/经济理财","collapsed":true},{"path":"Personal/Book/艺术","collapsed":true},{"path":"Personal/Book/计算机","collapsed":true},{"path":"Personal/Journal","collapsed":true},{"path":"Personal/Journal/2022","collapsed":true},{"path":"Personal/Journal/2022/W34","collapsed":true},{"path":"Personal/Journal/2022/W35","collapsed":true},{"path":"Personal/Journal/2022/
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