{"id":7031,"date":"2024-07-20T16:01:01","date_gmt":"2024-07-20T08:01:01","guid":{"rendered":""},"modified":"2024-07-20T16:01:01","modified_gmt":"2024-07-20T08:01:01","slug":"\u6570\u636e\u7ed3\u6784 \u6d59\u5927\u9648\u59e5\u59e5\u7248 \u7b2c\u4e8c\u7ae0","status":"publish","type":"post","link":"https:\/\/mushiming.com\/7031.html","title":{"rendered":"\u6570\u636e\u7ed3\u6784 \u6d59\u5927\u9648\u59e5\u59e5\u7248 \u7b2c\u4e8c\u7ae0"},"content":{"rendered":"<p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"display: none;\"> \n <path stroke-linecap=\"round\" d=\"M5,0 0,2.5 5,5z\" id=\"raphael-marker-block\" style=\"-webkit-tap-highlight-color: rgba(0, 0, 0, 0);\"><\/path> \n<\/svg> <\/p>\n<div class=\"toc\">\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\u5f15\u5b50<\/li>\n<li>\n<ul>\n<li>\u591a\u9879\u5f0f\u7684\u8868\u793a<\/li>\n<\/ul>\n<\/li>\n<li>\u7ebf\u6027\u8868(Linear List)<\/li>\n<li>\n<ul>\n<li>\u7ebf\u6027\u8868\u7684\u5b9a\u4e49<\/li>\n<li>\u7ebf\u6027\u8868\u7684\u987a\u5e8f\u5b58\u50a8\u5b9e\u73b0<\/li>\n<li>\n<ul>\n<li>\u4e3b\u8981\u64cd\u4f5c\u7684\u5b9e\u73b0<\/li>\n<\/ul>\n<\/li>\n<li>\u7ebf\u6027\u8868\u7684\u94fe\u5f0f\u5b58\u50a8\u5b9e\u73b0<\/li>\n<li>\n<ul>\n<li>\u4e3b\u8981\u64cd\u4f5c\u7684\u5b9e\u73b0<\/li>\n<\/ul>\n<\/li>\n<li>\u5e7f\u4e49\u8868\uff08Generalized List)<\/li>\n<li>\u591a\u91cd\u94fe\u8868<\/li>\n<\/ul>\n<\/li>\n<li>\u5806\u6808\uff08stack\uff09<\/li>\n<li>\n<ul>\n<li>\n<ul>\n<li>\u540e\u7f00\u8868\u8fbe\u5f0f<\/li>\n<li>\u5806\u6808\u7684\u62bd\u8c61\u6570\u636e\u7c7b\u578b\u63cf\u8ff0<\/li>\n<li>\u5806\u6808\u7684\u987a\u5e8f\u5b58\u50a8\u5b9e\u73b0<\/li>\n<\/ul>\n<\/li>\n<li>\u5806\u6808\u7684\u94fe\u5f0f\u5b58\u50a8\u5b9e\u73b0<\/li>\n<li>\u5806\u6808\u5e94\u7528\uff1a\u8868\u8fbe\u5f0f\u6c42\u503c<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n<h2>\u5f15\u5b50<\/h2>\n<h3>\u591a\u9879\u5f0f\u7684\u8868\u793a<\/h3>\n<p>\u591a\u9879\u5f0f\u7684\u5173\u952e\u6570\u636e\uff1a<\/p>\n<p>\u591a\u9879\u5f0f\u7684\u9879\u6570 n<\/p>\n<p>\u5404\u9879\u7684\u7cfb\u6570a_i\u3001\u6307\u6570i<\/p>\n<p>\u65b9\u6cd51\uff1a<\/p>\n<p>\u987a\u5e8f\u5b58\u50a8\u7ed3\u6784\u76f4\u63a5\u8868\u793a<\/p>\n<p>\u65b9\u6cd52\uff1a<\/p>\n<p>\u987a\u5e8f\u5b58\u50a8\u7ed3\u6784\u8868\u793a\u975e\u96f6\u9879<\/p>\n<p>\u7ed3\u6784\u6570\u7ec4\u8868\u793a\uff1a\uff08a_i, i)<\/p>\n<p>\u65b9\u6cd53\uff1a<\/p>\n<p>\u94fe\u8868\u7ed3\u6784\u5b58\u50a8\u975e\u96f6\u9879<\/p>\n<table>\n<thead>\n<tr>\n<th>\u2026<\/th>\n<th>\u2026<\/th>\n<th><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>coef<\/td>\n<td>expon<\/td>\n<td>link<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>typedef struct PolyNode *Polynomial;<\/p>\n<p>struct PolyNode{<br \/>\n <!-- --><\/p>\n<p>\u200b int coef;<\/p>\n<p>\u200b int expon;<\/p>\n<p>\u200b Polynomial link;<\/p>\n<p>}<\/p>\n<h2>\u7ebf\u6027\u8868(Linear List)<\/h2>\n<h3>\u7ebf\u6027\u8868\u7684\u5b9a\u4e49<\/h3>\n<p>\u7531\u540c\u7c7b\u578b\u6570\u636e\u5143\u7d20\u6784\u6210\u6709\u5e8f\u5e8f\u5217\u7684\u7ebf\u6027\u7ed3\u6784<\/p>\n<p>\u8868\u4e2d\u5143\u7d20\u7684\u4e2a\u6570\uff1a\u7ebf\u6027\u8868\u7684\u957f\u5ea6<\/p>\n<p>\u8868\u4e2d\u6ca1\u6709\u5143\u7d20\uff1a\u7a7a\u8868<\/p>\n<p>\u8868\u8d77\u59cb\u4f4d\u7f6e\uff1a\u8868\u5934\uff1b\u8868\u7ed3\u675f\u4f4d\u7f6e\uff1a\u8868\u5c3e<\/p>\n<p>\u7ebf\u6027\u8868\u7684\u62bd\u8c61\u6570\u636e\u7c7b\u578b\u63cf\u8ff0<\/p>\n<p><strong>\u7c7b\u578b\u540d\u79f0<\/strong>\uff1a \u7ebf\u6027\u8868(List)<\/p>\n<p>\u6570\u636e\u5bf9\u8c61\u96c6\uff1a<\/p>\n<p>\u64cd\u4f5c\u96c6\uff1a<\/p>\n<h3>\u7ebf\u6027\u8868\u7684\u987a\u5e8f\u5b58\u50a8\u5b9e\u73b0<\/h3>\n<p><strong>\u653e\u5728\u6570\u7ec4\u91cc\u9762<\/strong><\/p>\n<pre><code class=\"prism language-c\"><span class=\"token keyword\">typedef<\/span> <span class=\"token keyword\">struct<\/span> LNode <span class=\"token operator\">*<\/span>List<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">struct<\/span> LNode<span class=\"token punctuation\">{ \n   <!-- --><\/span> ElementType Data<span class=\"token punctuation\">[<\/span>MAXSIZE<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">int<\/span> Last<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u6570\u7ec4\u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">struct<\/span> LNode L<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u5b9a\u4e49\u4e00\u4e2a\u94fe\u8868<\/span> List PtrL<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u5b9a\u4e49\u4e00\u4e2a\u6307\u5411\u94fe\u8868\u7684\u6307\u9488\uff1b\u7ebf\u6027\u8868\u7ed3\u6784\u7684\u6307\u9488<\/span> <span class=\"token comment\">\/\/\u901a\u8fc7\u7ebf\u6027\u8868\u7ed3\u6784\u7684\u6307\u9488\u53ef\u4ee5\u77e5\u9053\u6570\u7ec4\u662f\u8c01\uff0cLast\u4f4d\u7f6e<\/span> <\/code><\/pre>\n<p>\u8bbf\u95ee\u4e0b\u6807\u4e3ai\u7684\u5143\u7d20\uff1a<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-c\">L<span class=\"token punctuation\">.<\/span>Data<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u6216<\/span> PtrL<span class=\"token operator\">-&gt;<\/span>Data<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <\/code><\/pre>\n<p>\u7ebf\u6027\u8868\u7684\u957f\u5ea6\uff1a<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-c\">L<span class=\"token punctuation\">.<\/span>Last <span class=\"token operator\">+<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u6216<\/span> PtrL<span class=\"token operator\">-&gt;<\/span>Last <span class=\"token operator\">+<\/span> <span class=\"token number\">1<\/span> <\/code><\/pre>\n<h4>\u4e3b\u8981\u64cd\u4f5c\u7684\u5b9e\u73b0<\/h4>\n<ol>\n<li>\u521d\u59cb\u5316\uff08\u5efa\u7acb\u7a7a\u7684\u987a\u5e8f\u8868\uff09<\/li>\n<\/ol>\n<pre><code class=\"prism language-c\">List <span class=\"token function\">MakeEmpty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/\u8868\u7684\u8868\u793a\uff1a1.\u6570\u7ec4<\/span> <span class=\"token comment\">\/\/ 2.\u4ee3\u8868\u6700\u540e\u4e00\u4e2a\u5143\u7d20Last<\/span> List PtrL<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u6570\u636e\u7c7b\u578b\u662f struct LNode<\/span> <span class=\"token comment\">\/\/\u7528malloc\u7533\u8bf7\u8fd9\u6837\u7684\u7ed3\u6784<\/span> PtrL <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span>List<span class=\"token punctuation\">)<\/span><span class=\"token function\">malloc<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">size0f<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span><span class=\"token punctuation\">(<\/span>LNode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u628a\u7ed3\u6784\u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u8d4b\u503c\u4e3a-1<\/span> <span class=\"token comment\">\/\/\u8868\u91cc\u9762\u6ca1\u6709\u5143\u7d20 \u7528 -1 \u8868\u793a<\/span> PtrL<span class=\"token operator\">-&gt;<\/span>Last <span class=\"token operator\">=<\/span> <span class=\"token operator\">-<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> PtrL<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u8fd4\u56de\u8fd9\u4e2a\u7ed3\u6784\u7684\u6307\u9488<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<ol start=\"2\">\n<li>\u67e5\u627e<\/li>\n<\/ol>\n<pre><code class=\"prism language-c\"><span class=\"token keyword\">int<\/span> <span class=\"token function\">Find<\/span><span class=\"token punctuation\">(<\/span>ElementType X<span class=\"token punctuation\">,<\/span> List PtrL<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">int<\/span> i <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u5faa\u73af\u67e5\u627eX\u7684\u4f4d\u7f6e<\/span> <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span>i <span class=\"token operator\">&lt;<\/span> PtrL<span class=\"token punctuation\">.<\/span>Last <span class=\"token operator\">&amp;&amp;<\/span> PtrL<span class=\"token punctuation\">.<\/span>Data<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">!=<\/span> X<span class=\"token punctuation\">)<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>i <span class=\"token operator\">&gt;<\/span> PtrL<span class=\"token punctuation\">.<\/span>Last<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token operator\">-<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">return<\/span> i<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<ol start=\"3\">\n<li>\u63d2\u5165<\/li>\n<\/ol>\n<pre><code class=\"prism language-c\"><span class=\"token keyword\">int<\/span> <span class=\"token function\">Insert<\/span><span class=\"token punctuation\">(<\/span>ElementType X<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> i <span class=\"token punctuation\">,<\/span> List PtrL<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">int<\/span> j<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u5224\u65ad\u8868\u662f\u4e0d\u662f\u5df2\u7ecf\u5b58\u6ee1<\/span> <span class=\"token comment\">\/\/MAXSIZE - 1\u662f\u6570\u7ec4\u5927\u5c0f<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>PtrL<span class=\"token operator\">-&gt;<\/span>Last <span class=\"token operator\">==<\/span> MAXSIZE <span class=\"token operator\">-<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"full\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/\/\u68c0\u67e5\u63d2\u5165\u4f4d\u7f6e\u7684\u5408\u6cd5\u6027<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>i <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">1<\/span> <span class=\"token operator\">||<\/span> i <span class=\"token operator\">&gt;<\/span> PtrL <span class=\"token operator\">-&gt;<\/span> Last <span class=\"token operator\">+<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"not legal\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/\/\u5c06ai ~ an \u5012\u5e8f\u5f80\u540e\u79fb\u52a8<\/span> <span class=\"token comment\">\/\/\u8fd9\u91cc\u53ea\u6709\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u662f\u80fd\u79fb\u52a8\u7684\u6240\u4ee5\u5148\u79fb\u52a8\u6700\u540e\u4e00\u4e2a\u5143\u7d20<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>j <span class=\"token operator\">=<\/span> PtrL<span class=\"token operator\">-&gt;<\/span>Last<span class=\"token punctuation\">;<\/span> j <span class=\"token operator\">&gt;=<\/span> i <span class=\"token operator\">-<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span> j<span class=\"token operator\">--<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> PtrL<span class=\"token operator\">-&gt;<\/span>Data<span class=\"token punctuation\">[<\/span>j <span class=\"token operator\">+<\/span> i<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">=<\/span> PtrL <span class=\"token operator\">-&gt;<\/span> Data<span class=\"token punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/\/\u65b0\u5143\u7d20X\u63d2\u5165<\/span> PtrL <span class=\"token operator\">-&gt;<\/span> Data<span class=\"token punctuation\">[<\/span>i <span class=\"token operator\">-<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">=<\/span> X<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/Last\u6307\u5411\u6700\u540e\u5143\u7d20<\/span> PtrL <span class=\"token operator\">-&gt;<\/span> Last<span class=\"token operator\">++<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<ol start=\"4\">\n<li>\u5220\u9664<\/li>\n<\/ol>\n<p>\u8ddf\u63d2\u5165\u662f\u76f8\u53cd\u7684\u64cd\u4f5c<\/p>\n<pre><code class=\"prism language-c\"><span class=\"token keyword\">int<\/span> <span class=\"token function\">Delete<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i<span class=\"token punctuation\">,<\/span>List PtrL<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">int<\/span> j<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u68c0\u67e5\u7a7a\u8868\u4ee5\u53ca\u5220\u9664\u4f4d\u7f6e\u7684\u5408\u6cd5\u6027<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>j <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">1<\/span> <span class=\"token operator\">||<\/span> j <span class=\"token operator\">&gt;<\/span> Last <span class=\"token operator\">+<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"not legal\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span>j <span class=\"token operator\">=<\/span> i<span class=\"token punctuation\">;<\/span> j <span class=\"token operator\">&lt;=<\/span> Ptr<span class=\"token operator\">-&gt;<\/span>Last<span class=\"token punctuation\">;<\/span> j<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> PtrL<span class=\"token operator\">-&gt;<\/span>Data<span class=\"token punctuation\">[<\/span>j<span class=\"token operator\">-<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">=<\/span> PtrL<span class=\"token operator\">-&gt;<\/span>Data<span class=\"token punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> PtrL<span class=\"token operator\">-&gt;<\/span>Last<span class=\"token operator\">--<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<h3>\u7ebf\u6027\u8868\u7684\u94fe\u5f0f\u5b58\u50a8\u5b9e\u73b0<\/h3>\n<ul>\n<li>\n<p>\u4e0d\u8981\u6c42\u903b\u8f91\u4e0a\u76f8\u90bb\u7684\u4e24\u4e2a\u5143\u7d20\u7269\u7406\u4e0a\u4e5f\u76f8\u90bb\uff1b\u901a\u8fc7\u201c\u94fe\u201d\u5efa\u7acb\u8d77\u5143\u7d20\u4e4b\u95f4\u7684\u903b\u8f91\u5173\u7cfb<\/p>\n<\/li>\n<li>\n<p>\u63d2\u5165\u3001\u5220\u9664\u4e0d\u9700\u8981\u79fb\u52a8\u6570\u636e\u5143\u7d20\uff0c\u53ea\u9700\u8981\u4fee\u6539\u201c\u94fe\u201d<\/p>\n<\/li>\n<\/ul>\n<pre><code class=\"prism language-c\"><span class=\"token keyword\">typedef<\/span> <span class=\"token keyword\">struct<\/span> LNode <span class=\"token operator\">*<\/span>List<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">struct<\/span> LNode<span class=\"token punctuation\">{ \n   <!-- --><\/span> ElementType Data<span class=\"token punctuation\">;<\/span> List Next<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u4e0b\u4e00\u4e2a\u7ed3\u70b9\u7684\u4f4d\u7f6e<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">struct<\/span> LNode L<span class=\"token punctuation\">;<\/span> List PtrL<span class=\"token punctuation\">;<\/span> <\/code><\/pre>\n<h4>\u4e3b\u8981\u64cd\u4f5c\u7684\u5b9e\u73b0<\/h4>\n<ol>\n<li>\u6c42\u8868\u957f<\/li>\n<\/ol>\n<pre><code class=\"prism language-c\"><span class=\"token comment\">\/\/\u7528\u94fe\u8868\u6765\u5b9e\u73b0\uff0c\u6211\u4eec\u53ea\u77e5\u9053\u94fe\u8868\u7684\u5934\u6307\u9488\uff0c\u800c\u4e14\u662f\u5355\u5411\u94fe\u8868<\/span> <span class=\"token comment\">\/\/\u904d\u5386\u94fe\u8868<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">Length<\/span><span class=\"token punctuation\">(<\/span>List PtrL<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> List p <span class=\"token operator\">=<\/span> PtrL<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u4e34\u65f6\u6307\u9488p\u6307\u5411\u94fe\u8868\u5934\uff1b\u5373p\u6307\u5411\u8868\u7684\u7b2c\u4e00\u4e2a\u7ed3\u70b9<\/span> <span class=\"token keyword\">int<\/span> j <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u8ba1\u6570\u5668<\/span> <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span>p<span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/p != NULL<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> p <span class=\"token operator\">=<\/span> p<span class=\"token operator\">-&gt;<\/span>Next<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u94fe\u8868\u6307\u9488\u5f80\u540e\u632a\u4e00\u4f4d<\/span> j<span class=\"token operator\">++<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">return<\/span> j<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<ol start=\"2\">\n<li>\n<p>\u67e5\u627e<\/p>\n<ul>\n<li>\u6309\u5e8f\u53f7\u67e5\u627e\uff1aFindKth<\/li>\n<\/ul>\n<pre><code class=\"prism language-c\">List <span class=\"token function\">FindKth<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> K<span class=\"token punctuation\">,<\/span> List PtrL<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> List p <span class=\"token operator\">=<\/span> PtrL<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/p\u8bbe\u4e3a\u94fe\u8868\u8868\u5934<\/span> <span class=\"token keyword\">int<\/span> i <span class=\"token operator\">=<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u67e5\u627e\u8303\u56f4<\/span> <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span>p <span class=\"token operator\">!=<\/span> <span class=\"token constant\">NULL<\/span> <span class=\"token operator\">&amp;&amp;<\/span> i <span class=\"token operator\">&lt;<\/span> K<span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u8868\u4e0d\u662f\u7a7a\u7684\uff0c\u8fd8\u6ca1\u627e\u5230K<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> p <span class=\"token operator\">=<\/span> p <span class=\"token operator\">-&gt;<\/span> Next<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>i <span class=\"token operator\">==<\/span> K<span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u627e\u5230K<\/span> <span class=\"token keyword\">return<\/span> p<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<ul>\n<li>\u6309\u503c\u67e5\u627e\uff1aFind<\/li>\n<\/ul>\n<pre><code class=\"prism language-c\">List <span class=\"token function\">Find<\/span><span class=\"token punctuation\">(<\/span>ElementType X<span class=\"token punctuation\">,<\/span> List PtrL<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> List p <span class=\"token operator\">=<\/span> PtrL<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">while<\/span><span class=\"token punctuation\">(<\/span>p <span class=\"token operator\">!=<\/span> <span class=\"token constant\">NULL<\/span> <span class=\"token operator\">&amp;&amp;<\/span> p <span class=\"token operator\">-&gt;<\/span> Data<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">!=<\/span> X<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n     <!-- --><\/span> p <span class=\"token operator\">=<\/span> p <span class=\"token operator\">-&gt;<\/span> Next<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">return<\/span> p<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u8fd4\u56de\u503c\u6240\u5728\u7684\u5730\u5740<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<\/li>\n<li>\n<p>\u63d2\u5165\uff08\u5728\u7b2c i - 1 \u4e2a\u7ed3\u70b9\u540e\u63d2\u5165\u4e00\u4e2a\u503c\u4e3aX\u7684\u65b0\u7ed3\u70b9\uff09<\/p>\n<\/li>\n<\/ol>\n<p>\u6b65\u9aa4\uff1a<\/p>\n<ul>\n<li>\u200b \u5148\u6784\u9020\u4e00\u4e2a\u65b0\u7684\u7ed3\u70b9\uff0c\u7528s\u6307\u5411\uff1b\uff08malloc)<\/li>\n<li>\u200b \u627e\u5230\u94fe\u8868\u7684\u7b2c i - 1\u4e2a\u7ed3\u70b9\uff0c\u7528p\u6307\u5411\uff1b<\/li>\n<li>\u200b \u4fee\u6539\u6307\u9488\uff0c\u63d2\u5165\u8282\u70b9<\/li>\n<\/ul>\n<pre><code class=\"prism language-c\">List <span class=\"token function\">Insert<\/span><span class=\"token punctuation\">(<\/span>ElementType X<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> i<span class=\"token punctuation\">,<\/span> List PtrL<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> List s<span class=\"token punctuation\">,<\/span> p<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u60c5\u51b5\u4e00\uff1a\u65b0\u7ed3\u70b9\u63d2\u5728\u6807\u5934<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>i <span class=\"token operator\">==<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/\u7533\u8bf7\u586b\u88c5\u7ed3\u70b9<\/span> s <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span>List<span class=\"token punctuation\">)<\/span><span class=\"token function\">malloc<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> LNode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> s <span class=\"token operator\">-&gt;<\/span> Data <span class=\"token operator\">=<\/span> X<span class=\"token punctuation\">;<\/span> s <span class=\"token operator\">-&gt;<\/span> Next <span class=\"token operator\">=<\/span> PtrL<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> s<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u8fd4\u56de\u65b0\u94fe\u8868\u5934\u6307\u9488<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/\/\u67e5\u627e\u7b2ci-1\u4e2a\u7ed3\u70b9\u7684\u4f4d\u7f6e<\/span> p <span class=\"token operator\">=<\/span> <span class=\"token function\">FindKth<\/span><span class=\"token punctuation\">(<\/span>i <span class=\"token operator\">-<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> PtrL<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u7b2ci - 1 \u4e0d\u5b58\u5728\uff0c \u4e0d\u80fd\u63d2\u5165<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>p <span class=\"token operator\">==<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u53c2\u6570 i \u9519\u8bef\"<\/span><span class=\"token punctuation\">)<\/span>\uff1b <span class=\"token keyword\">return<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> s <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span>List<span class=\"token punctuation\">)<\/span><span class=\"token function\">malloc<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> LNode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> s <span class=\"token operator\">-&gt;<\/span> Data <span class=\"token operator\">=<\/span> X<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u8fd9\u91cc\u4e0d\u80fd\u8c03\u6362 \u4e4b\u524d\u7684\u5730\u5740\u4f1a\u4e22\u5931\u6389<\/span> s <span class=\"token operator\">-&gt;<\/span> Next <span class=\"token operator\">=<\/span> p <span class=\"token operator\">-&gt;<\/span> Next<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/s\u7684\u7ed3\u70b9\u6307\u5411p\u7684\u4e0b\u4e00\u4e2a\u7ed3\u70b9<\/span> p <span class=\"token operator\">-&gt;<\/span> Next <span class=\"token operator\">=<\/span> s<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/p\u7684\u7ed3\u70b9\u6307\u5411s<\/span> <span class=\"token keyword\">return<\/span> PtrL<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u8fd4\u56de\u65b0\u94fe\u8868\u5934\u6307\u9488<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<ol start=\"4\">\n<li>\u5220\u9664\uff08\u5220\u9664\u94fe\u8868\u7b2c i \u4e2a\u4f4d\u7f6e\u4e0a\u7684\u7ed3\u70b9\uff09<\/li>\n<\/ol>\n<p>\u524d\u9762\u7684\u7ed3\u70b9\u63a5\u5230\u7b2c i \u4e2a\u7ed3\u70b9\u7684\u540e\u9762<\/p>\n<p>\u6b65\u9aa4\uff1a<\/p>\n<ul>\n<li>\u627e\u5230\u7b2c i - 1\u4e2a\u7ed3\u70b9\uff0c\u7528 p \u6307\u5411\uff1b<\/li>\n<li>\u518d\u7528\u6307\u9488 s \u6307\u5411\u88ab\u5220\u9664\u7684\u7ed3\u70b9\uff08 p \u7684\u4e0b\u4e00\u4e2a\u7ed3\u70b9\uff09\uff1b<\/li>\n<li>\u4fee\u6539 \u6307\u9488(p\u7684\u6307\u9488\u6307\u5411i \u540e\u9762\u7684\u4f4d\u7f6e)\uff0c \u5220\u9664 s \u7ed3\u70b9\uff1b<\/li>\n<li>\u91ca\u653es\u6240\u6307\u7684\u7a7a\u95f4\uff1b<\/li>\n<\/ul>\n<pre><code class=\"prism language-c\">List <span class=\"token function\">Delete<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i<span class=\"token punctuation\">,<\/span> List PtrL<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> List s<span class=\"token punctuation\">,<\/span> p<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u82e5\u5220\u9664\u7684\u5934\u8282\u70b9<\/span> <span class=\"token comment\">\/\/\u4e24\u79cd\u53ef\u80fd PtrL \u672c\u8eab\u5c31\u662f\u7a7a\u7684 \u8fd4\u56deNULL<\/span> <span class=\"token comment\">\/\/ \u4e0d\u4e3a\u7a7a \uff0c\u7ed3\u70b9\u632a\u5230\u4e0b\u4e00\u4e2a\u4f4d\u7f6e<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>i <span class=\"token operator\">==<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> s <span class=\"token operator\">=<\/span> PtrL<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u88ab\u5220\u9664\u7684\u662f\u5934\u7ed3\u70b9<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>PtrL <span class=\"token operator\">!=<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> PtrL <span class=\"token operator\">=<\/span> PtrL <span class=\"token operator\">-&gt;<\/span> Next<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">return<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token function\">free<\/span><span class=\"token punctuation\">(<\/span>s<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> PtrL<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> p <span class=\"token operator\">=<\/span> <span class=\"token function\">FindKth<\/span><span class=\"token punctuation\">(<\/span>i <span class=\"token operator\">-<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> PtrL<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>p <span class=\"token operator\">==<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u53c2\u6570 i \u9519\u8bef, \u7ed3\u70b9\"<\/span><span class=\"token operator\">%<\/span>d<span class=\"token string\">\"\u4e0d\u5b58\u5728\"<\/span><span class=\"token punctuation\">,<\/span> i <span class=\"token operator\">-<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>p <span class=\"token operator\">-&gt;<\/span> Next <span class=\"token operator\">==<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"\u53c2\u6570 i \u9519\u8bef, \u7ed3\u70b9\"<\/span><span class=\"token operator\">%<\/span>d<span class=\"token string\">\"\u4e0d\u5b58\u5728\"<\/span><span class=\"token punctuation\">,<\/span> i <span class=\"token operator\">-<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> s <span class=\"token operator\">=<\/span> p <span class=\"token operator\">-&gt;<\/span> Next<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u7b2c\u4e00\u6b65 s \u6307\u9488\u6307\u5411\u88ab\u5220\u9664\u7684\u7ed3\u70b9<\/span> p <span class=\"token operator\">-&gt;<\/span> Next <span class=\"token operator\">=<\/span> s <span class=\"token operator\">-&gt;<\/span> Next<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u4fee\u6539\u6307\u9488\uff0c p\u7684\u7ed3\u70b9\u6307\u5411s\u6307\u9488\u540e\u9762\u8fd9\u4e2a\u7ed3\u70b9<\/span> <span class=\"token function\">free<\/span><span class=\"token punctuation\">(<\/span>s<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> PtrL<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<h3>\u5e7f\u4e49\u8868\uff08Generalized List)<\/h3>\n<ul>\n<li>\u5e7f\u4e49\u8868\u662f\u7ebf\u6027\u8868\u7684\u63a8\u5e7f<\/li>\n<li>\u5bf9\u7ebf\u6027\u8868\u800c\u8a00\uff0cn\u4e2a\u5143\u7d20\u90fd\u662f\u57fa\u672c\u7684\u5355\u5143\u7d20<\/li>\n<li>\u5bf9\u5e7f\u4e49\u8868\uff0c\u8fd9\u4e9b\u5143\u7d20\u4e0d\u4ec5\u53ef\u4ee5\u662f\u5355\u5143\u7d20\u4e5f\u53ef\u4f7f\u662f\u53e6\u4e00\u4e2a\u5e7f\u4e49\u8868<\/li>\n<\/ul>\n<pre><code class=\"prism language-c\"><span class=\"token comment\">\/\/union \u53ef\u4ee5\u628a\u4e0d\u540c\u7c7b\u578b\u7684\u5143\u7d20\u7ec4\u7ec7\u5728\u4e00\u8d77<\/span> <span class=\"token comment\">\/\/\u53ef\u4ee5\u628a\u4e00\u4e2a\u7a7a\u95f4\u7406\u89e3\u4e3a\u4e00\u4e2a\u7c7b\u578b\uff0c\u4e5f\u53ef\u4ee5\u7406\u89e3\u4e3a\u53e6\u5916\u4e00\u4e2a\u7c7b\u578b<\/span> <span class=\"token comment\">\/\/\u4f7f\u7528\u6807\u8bb0\u6765\u533a\u5206\u4e0d\u540c\u7684\u7c7b\u578b<\/span> <span class=\"token keyword\">typedef<\/span> <span class=\"token keyword\">struct<\/span> GNode <span class=\"token operator\">*<\/span>GList<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">struct<\/span> GNode<span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">int<\/span> Tag<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u6807\u5fd7\u57df\uff1a0\u8868\u793a\u7ed3\u70b9\u662f\u5355\u5143\u7d20\uff1b1\u8868\u793a\u7ed3\u70b9\u65f6\u5e7f\u4e49\u8868<\/span> <span class=\"token comment\">\/\/\u5b50\u8868 \u6307\u9488\u57dfSubList\u548c\u5355\u5143\u7d20\u6570\u636e\u57dfData\u590d\u7528\uff0c\u5171\u7528\u5b58\u50a8\u7a7a\u95f4<\/span> <span class=\"token keyword\">union<\/span><span class=\"token punctuation\">{ \n   <!-- --><\/span> ElementType Data<span class=\"token punctuation\">;<\/span> GList SubList<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span>URegion<span class=\"token punctuation\">;<\/span> GList Next<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u6307\u5411\u540e\u9762\u7ed3\u70b9<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<h3>\u591a\u91cd\u94fe\u8868<\/h3>\n<p>\u5b9a\u4e49: \u94fe\u8868\u4e2d\u7684\u7ed3\u70b9\u53ef\u80fd\u96b6\u5c5e\u4e8e\u591a\u4e2a\u94fe<\/p>\n<p><strong>\u5341\u5b57\u94fe\u8868<\/strong>\u6765\u5b58\u50a8\u7a00\u758f\u77e9\u9635<\/p>\n<ul>\n<li>\n<p>\u53ea\u5b58\u50a8\u77e9\u9635\u975e0\u5143\u7d20\u9879<\/p>\n<p>\u7ed3\u70b9\u7684\u6570\u636e\u57df\uff1aRow Col Value<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u77e9\u9635\u884c\u8ddf\u884c\uff0c\u5217\u8ddf\u5217\u4e4b\u95f4\u7684\u5173\u7cfb\u901a\u8fc7\u7ed3\u70b9\u95f4\u7684\u6307\u9488\u6765\u5efa\u7acb\u5173\u7cfb<\/strong><\/p>\n<ul>\n<li>\u6bcf\u4e2a\u7ed3\u70b9\u901a\u8fc7\u4e24\u4e2a\u6307\u9488\u57df\uff0c\u628a\u540c\u884c\uff0c\u540c\u5217\u4e32\u8d77\u6765**[\u8fd9\u91cc\u7528\u5230\u591a\u91cd\u94fe\u8868]**\n<ul>\n<li>\u884c\u6307\u9488 Right<\/li>\n<li>\u5217\u6307\u9488 Down<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\u5806\u6808\uff08stack\uff09<\/h2>\n<p><strong>a pile of dishes<\/strong><\/p>\n<p>\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u7ebf\u6027\u8868<\/p>\n<p>\u8ba1\u7b97\u673a\u5982\u4f55\u8fdb\u884c\u8868\u8fbe\u5f0f\u6c42\u503c\uff1f<\/p>\n<h4>\u540e\u7f00\u8868\u8fbe\u5f0f<\/h4>\n<p><code>a + b * c - d \/ e<\/code><\/p>\n<p><code>a b c * + d e \/ -<\/code><\/p>\n<h4>\u5806\u6808\u7684\u62bd\u8c61\u6570\u636e\u7c7b\u578b\u63cf\u8ff0<\/h4>\n<p>\u5806\u6808\uff1a\u5177\u6709\u4e00\u5b9a\u64cd\u4f5c\u7ea6\u675f\u7684\u7ebf\u6027\u8868 <strong>[\u53ea\u5728\u4e00\u6bb5\uff08\u6808\u9876\uff0cTop\uff09\u505a\u63d2\u5165\u3001\u5220\u9664]<\/strong><\/p>\n<ul>\n<li>\u63d2\u5165\u6570\u636e\uff1a\u5165\u6808(Push)<\/li>\n<li>\u5220\u9664\u6570\u636e\uff1a\u51fa\u6808(Pop)<\/li>\n<li>\u540e\u5165\u5148\u51fa\uff1aLast In First Out (LIFO)<\/li>\n<\/ul>\n<p><strong>\u7c7b\u578b\u540d\u79f0<\/strong>\uff1a\u5806\u6808(stack)<\/p>\n<p>\u6570\u636e\u5bf9\u8c61\u96c6\uff1a\u4e00\u4e2a\u67090\u6216\u591a\u4e2a\u5143\u7d20\u7684\u6709\u7a77\u7ebf\u6027\u8868<\/p>\n<p>\u64cd\u4f5c\u96c6\uff1a<\/p>\n<h4>\u5806\u6808\u7684\u987a\u5e8f\u5b58\u50a8\u5b9e\u73b0<\/h4>\n<p>\u6808\u7684\u987a\u5e8f\u5b58\u50a8\u7ed3\u6784\u901a\u5e38\u7531\u4e00\u4e2a<strong>\u4e00\u7ef4\u6570\u7ec4<\/strong>\u548c\u4e00\u4e2a\u8bb0\u5f55<strong>\u6808\u9876<\/strong>\u5143\u7d20\u4f4d\u7f6e\u7684\u53d8\u91cf\u7ec4\u6210<\/p>\n<pre><code class=\"prism language-c\"><span class=\"token macro property\">#<span class=\"token directive keyword\">define<\/span> MaxSize &lt;\u5b58\u50a8\u6570\u636e\u5143\u7d20\u7684\u6700\u5927\u4e2a\u6570&gt;<\/span> <span class=\"token keyword\">typedef<\/span> <span class=\"token keyword\">struct<\/span> SNode <span class=\"token operator\">*<\/span>Stack<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u7ed3\u6784\u6307\u9488<\/span> <span class=\"token keyword\">struct<\/span> SNode<span class=\"token punctuation\">{ \n   <!-- --><\/span> ElementType Data<span class=\"token punctuation\">[<\/span>MaxSize<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u6570\u7ec4<\/span> <span class=\"token keyword\">int<\/span> Top<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u6808\u9876\u4f4d\u7f6e\u6570\u7ec4\u4e0b\u6807<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> <\/code><\/pre>\n<ol>\n<li>\u5165\u6808<\/li>\n<\/ol>\n<pre><code class=\"prism language-c\"><span class=\"token comment\">\/\/\u7528\u6570\u7ec4\u8868\u793a\u5806\u6808\u7684\u65f6\u5019 <\/span> <span class=\"token comment\">\/\/Top[-1] \u8868\u793a\u5806\u6808\u7a7a<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">Push<\/span><span class=\"token punctuation\">(<\/span>Stack PtrS<span class=\"token punctuation\">,<\/span> ElementType item<span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u5806\u6808\u672c\u8eab<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/\u5224\u65ad\u5806\u6808\u6709\u6ca1\u6709\u6ee1 \u6570\u7ec4\u8303\u56f4 [0, MaxSize - 1]<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>PtrS <span class=\"token operator\">-&gt;<\/span> Top <span class=\"token operator\">==<\/span> MaxSize <span class=\"token operator\">-<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token comment\">\/\/\u8868\u793a\u5806\u6808\u5168\u90e8\u653e\u6ee1\u4e86<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"full\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/item \u653e Top \u4e0a\u9762\u90a3\u4e2a\u4f4d\u7f6e<\/span> PtrS <span class=\"token operator\">-&gt;<\/span> Data<span class=\"token punctuation\">[<\/span><span class=\"token operator\">++<\/span><span class=\"token punctuation\">(<\/span>PtrS <span class=\"token operator\">-&gt;<\/span> Top<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">=<\/span> item<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/(PtrS -&gt; Top)++;<\/span> <span class=\"token comment\">\/\/PtrS -&gt; Data[PtrS -&gt; Top] = item;<\/span> <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<ol start=\"2\">\n<li>\u51fa\u6808<\/li>\n<\/ol>\n<pre><code class=\"prism language-c\">ElementType <span class=\"token function\">Pop<\/span><span class=\"token punctuation\">(<\/span>Stack PtrS<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>PtrS<span class=\"token operator\">-&gt;<\/span>Top <span class=\"token operator\">==<\/span> <span class=\"token operator\">-<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"empty\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> ERROR<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token comment\">\/\/1 \u5148\u8fd4\u56de\u4e0b\u6807\u4e3aPop\u7684\u8fd9\u4e2a\u503c<\/span> <span class=\"token comment\">\/\/2 Pop\u51cf\u4e00<\/span> <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">(<\/span>PtrS<span class=\"token operator\">-&gt;<\/span>Data<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>PtrS<span class=\"token operator\">-&gt;<\/span>Pop<span class=\"token punctuation\">)<\/span><span class=\"token operator\">--<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<p>\u7528\u4e00\u4e2a\u6570\u7ec4\u5b9e\u73b0\u4e24\u4e2a\u5806\u6808\uff0c\u8981\u6c42\u6700\u5927\u5229\u7528\u6570\u7ec4\u7a7a\u95f4\uff0c\u53ea\u8981\u6570\u7ec4\u6709\u7a7a\u4f59\u7a7a\u95f4\u5c31\u80fd\u8fdb\u884c\u5165\u6808\u64cd\u4f5c\u3002<\/p>\n<p>\u5206\u6790\uff1a\u4f7f\u4e24\u4e2a\u6808\u5206\u522b\u4ece\u6570\u7ec4\u7684\u4e24\u5934\u5f00\u59cb\u5411\u4e2d\u95f4\u751f\u957f\uff1b\u5f53\u4e24\u4e2a\u6808\u7684\u6808\u9876\u6307\u9488\u76f8\u9047\u65f6\u5019\uff0c\u5c31\u8868\u793a\u4e24\u4e2a\u6808\u5c31\u6ee1\u4e86<\/p>\n<pre><code class=\"prism language-c\"><span class=\"token macro property\">#<span class=\"token directive keyword\">define<\/span> MaxSize &lt;\u5b58\u50a8\u6570\u636e\u5143\u7d20\u7684\u6700\u5927\u4e2a\u6570&gt;<\/span> <span class=\"token keyword\">struct<\/span> DStack<span class=\"token punctuation\">{ \n   <!-- --><\/span> ElementType Data<span class=\"token punctuation\">[<\/span>MaxSize<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">int<\/span> Top1<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">int<\/span> Top2<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span>S<span class=\"token punctuation\">;<\/span> S<span class=\"token punctuation\">.<\/span>Top1 <span class=\"token operator\">=<\/span> <span class=\"token operator\">-<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u7b2c\u4e00\u4e2a\u5806\u6808\u4e3a\u7a7a\u7684\u6761\u4ef6<\/span> S<span class=\"token punctuation\">.<\/span>Top2 <span class=\"token operator\">=<\/span> MaxSize<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u7b2cer\u4e2a\u5806\u6808\u4e3a\u7a7a\u7684\u6761\u4ef6<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">Push<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> DStack <span class=\"token operator\">*<\/span>PtrS<span class=\"token punctuation\">,<\/span> ElementType item<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> Tag<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/tag \u662f\u533a\u5206\u5806\u68081\u548c\u5806\u68082 \u7684\u6807\u5fd7\uff0c \u53d6\u503c 1\u548c2<\/span> <span class=\"token comment\">\/\/\u5806\u6808\u6ee1<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>PtrS<span class=\"token operator\">-&gt;<\/span>Top2 <span class=\"token operator\">-<\/span> PtrS<span class=\"token operator\">-&gt;<\/span>Top1 <span class=\"token operator\">==<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"full\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/\/\u7b2c\u4e00\u4e2a\u5806\u6808\u7684\u64cd\u4f5c<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>Tag <span class=\"token operator\">==<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> PtrS<span class=\"token operator\">-&gt;<\/span>Data<span class=\"token punctuation\">[<\/span><span class=\"token operator\">++<\/span><span class=\"token punctuation\">(<\/span>PtrS<span class=\"token operator\">-&gt;<\/span>Top1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">=<\/span> item<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token comment\">\/\/\u7b2c\u4e8c\u4e2a\u5806\u6808\u64cd\u4f5c<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> PtrS<span class=\"token operator\">-&gt;<\/span>Data<span class=\"token punctuation\">[<\/span><span class=\"token operator\">--<\/span><span class=\"token punctuation\">(<\/span>PtrS<span class=\"token operator\">-&gt;<\/span>Top2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">=<\/span> item<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">Pop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> DStruct <span class=\"token operator\">*<\/span>PtrS<span class=\"token punctuation\">,<\/span> ElementType item<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> Tag<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>Tag <span class=\"token operator\">==<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/\u7b2c\u4e00\u4e2a\u5806\u6808\u4e3a\u7a7a<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>PtrS<span class=\"token operator\">-&gt;<\/span>Top <span class=\"token operator\">==<\/span> <span class=\"token operator\">-<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"full\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">return<\/span> PtrS<span class=\"token operator\">-&gt;<\/span>Data<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">(<\/span>PtrS<span class=\"token operator\">-&gt;<\/span>Top1<span class=\"token punctuation\">)<\/span><span class=\"token operator\">--<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span>PtrS<span class=\"token operator\">-&gt;<\/span>Top2 <span class=\"token operator\">==<\/span> MaxSize<span class=\"token punctuation\">)<\/span> <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"full\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">return<\/span> PtrS<span class=\"token operator\">-&gt;<\/span>Data<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">(<\/span>PtrS<span class=\"token operator\">-&gt;<\/span>Top2<span class=\"token punctuation\">)<\/span><span class=\"token operator\">++<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<h3>\u5806\u6808\u7684\u94fe\u5f0f\u5b58\u50a8\u5b9e\u73b0<\/h3>\n<p>\u4e0d\u50cf\u6570\u7ec4\uff0c\u5728\u64cd\u4f5c\u4f7f\u8981\u5224\u65ad\u6ee1\u4e0d\u6ee1\u3002\u94fe\u8868\u53ea\u9700\u8981\u5224\u65ad\u662f\u5426\u4e3a\u7a7a<\/p>\n<p>Top\u5728\u94fe\u8868\u5934\u4e0a<\/p>\n<pre><code class=\"prism language-c\"><span class=\"token keyword\">typedef<\/span> <span class=\"token keyword\">struct<\/span> SNode <span class=\"token operator\">*<\/span>Stack<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">struct<\/span> SNode<span class=\"token punctuation\">{ \n   <!-- --><\/span> ElementType Data<span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">struct<\/span> SNode <span class=\"token operator\">*<\/span>Next<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> <\/code><\/pre>\n<p>1\uff09 \u5806\u6808\u521d\u59cb\u5316\uff08\u521b\u5efa\u7a7a\u6808\uff09<\/p>\n<p>2\uff09 \u5224\u65ad\u5806\u6808S\u662f\u5426\u4e3a\u7a7a<\/p>\n<pre><code class=\"prism language-c\">Stack <span class=\"token function\">CreateStack<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/\u521b\u5efa\u5806\u6808\u7684\u5934\u7ed3\u70b9\uff0c\u8fd4\u56de\u6307\u9488<\/span> <span class=\"token comment\">\/\/\u4e0d\u4ee3\u8868\u5806\u6808\u91cc\u7684\u4efb\u4f55\u5143\u7d20\uff1b\u4e3b\u8981\u662f\u65b9\u4fbf\u627e\u5230\u5806\u6808\u91cc\u7684\u5143\u7d20<\/span> Stack S<span class=\"token punctuation\">;<\/span> S <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span>Stack<span class=\"token punctuation\">)<\/span><span class=\"token function\">malloc<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> SNode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> S<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">IsEmpty<\/span><span class=\"token punctuation\">(<\/span>Stack S<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/\u5224\u65adS\u662f\u5426\u4e3a\u7a7a\uff0c\u662f\u7a7a \u8fd4\u56de1\uff1b \u5426\u5219\u8fd4\u56de0<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">(<\/span>S<span class=\"token operator\">-&gt;<\/span>Next <span class=\"token operator\">==<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<ol>\n<li>Push<\/li>\n<\/ol>\n<p><strong>\u5c31\u662f\u5f80\u5806\u6808\u7684\u5934\u4e0a\u63d2\u5165\u7ed3\u70b9<\/strong><\/p>\n<pre><code class=\"prism language-c\"><span class=\"token keyword\">void<\/span> <span class=\"token function\">Push<\/span><span class=\"token punctuation\">(<\/span>ElementType item<span class=\"token punctuation\">,<\/span> Stack S<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/\u5c06\u5143\u7d20item\u538b\u5165\u5806\u6808<\/span> <span class=\"token keyword\">struct<\/span> SNode <span class=\"token operator\">*<\/span>TmpCell<span class=\"token punctuation\">;<\/span> TmpCell <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">struct<\/span> SNode<span class=\"token punctuation\">)<\/span><span class=\"token function\">malloc<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>stuct SNode<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> TmpCell<span class=\"token operator\">-&gt;<\/span>Element <span class=\"token operator\">=<\/span> item<span class=\"token punctuation\">;<\/span> TmpCell<span class=\"token operator\">-&gt;<\/span>Next <span class=\"token operator\">=<\/span> S<span class=\"token operator\">-&gt;<\/span>Next<span class=\"token punctuation\">;<\/span> S<span class=\"token operator\">-&gt;<\/span>Next <span class=\"token operator\">=<\/span> TmpCell<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<ol start=\"2\">\n<li>Pop<\/li>\n<\/ol>\n<pre><code class=\"prism language-c\">ElementType <span class=\"token function\">Pop<\/span><span class=\"token punctuation\">(<\/span>Stack S<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/\u5220\u9664\u5e76\u8fd4\u56de\u5806\u6808S\u7684\u6808\u9876\u5143\u7d20<\/span> <span class=\"token keyword\">struct<\/span> SNode <span class=\"token operator\">*<\/span>FirstCell<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u5806\u6808\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20;\u5806\u6808\u7684Top<\/span> ElementType TopElem<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u5806\u6808\u8981\u5220\u9664\u7684\u90a3\u4e2a\u5143\u7d20\uff0c \u5f85\u4f1a\u8981\u8fd4\u56de<\/span> <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">IsEmpty<\/span><span class=\"token punctuation\">(<\/span>S<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">\"stack is empty\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{ \n   <!-- --><\/span> <span class=\"token comment\">\/\/\u4e3a\u4e86\u91ca\u653e\u8fd9\u4e2a\u7a7a\u95f4<\/span> <span class=\"token comment\">\/\/\u5148\u628a\u8981\u5220\u6389\u7684\u7ed3\u70b9\u8d4b\u503c\u7ed9\u4e00\u4e2a\u53d8\u91cf ---\u300b FirstCell<\/span> FirstCell <span class=\"token operator\">=<\/span> S<span class=\"token operator\">-&gt;<\/span>Next<span class=\"token punctuation\">;<\/span> S<span class=\"token operator\">-&gt;<\/span>Next <span class=\"token operator\">=<\/span> FirstCell<span class=\"token operator\">-&gt;<\/span>Next<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u628a\u8981\u5220\u9664\u7684\u7ed3\u70b9(FirstCell)\u7684\u4e0b\u4e00\u4e2a\u7ed3\u70b9\u7ed9S<\/span> TopElem <span class=\"token operator\">=<\/span> FirstCell<span class=\"token operator\">-&gt;<\/span>Element<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/\u4fdd\u5b58\u8981\u5220\u9664\u7684\u5143\u7d20\uff0c\u628a\u5b83\u8d4b\u503c\u7ed9\u4e00\u4e2a\u53d8\u91cf ---\u300bTopElem<\/span> <span class=\"token function\">free<\/span><span class=\"token punctuation\">(<\/span>FirstCell<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token keyword\">return<\/span> TopElem<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u8fd4\u56de\u5220\u9664\u7684\u5143\u7d20<\/span> <span class=\"token punctuation\">}<\/span> <span class=\"token punctuation\">}<\/span> <\/code><\/pre>\n<h3>\u5806\u6808\u5e94\u7528\uff1a\u8868\u8fbe\u5f0f\u6c42\u503c<\/h3>\n","protected":false},"excerpt":{"rendered":"\u6570\u636e\u7ed3\u6784 \u6d59\u5927\u9648\u59e5\u59e5\u7248 \u7b2c\u4e8c\u7ae0\u6587\u7ae0\u76ee\u5f55\u5f15\u5b50\u591a\u9879\u5f0f\u7684\u8868\u793a\u7ebf\u6027\u8868(LinearList)\u7ebf\u6027\u8868\u7684\u5b9a\u4e49\u7ebf\u6027\u8868\u7684\u987a\u5e8f\u5b58\u50a8\u5b9e\u73b0\u4e3b\u8981\u64cd\u4f5c\u7684\u5b9e\u73b0...","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"_links":{"self":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/7031"}],"collection":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/comments?post=7031"}],"version-history":[{"count":0,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/7031\/revisions"}],"wp:attachment":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/media?parent=7031"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/categories?post=7031"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/tags?post=7031"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}