{"id":38477,"date":"2025-05-20T16:32:52","date_gmt":"2025-05-20T08:32:52","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/38477.html"},"modified":"2025-05-20T16:32:52","modified_gmt":"2025-05-20T08:32:52","slug":"c%e8%af%ad%e8%a8%80%e6%97%a5%e5%af%84%e6%95%b0%e6%8d%ae%e7%bb%93%e6%9e%84%ef%bc%9a%e6%a0%88","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/38477.html","title":{"rendered":"[c\u8bed\u8a00\u65e5\u5bc4]\u6570\u636e\u7ed3\u6784\uff1a\u6808"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250520083251-682c3e330fc87.gif\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u3010\u4f5c\u8005\u4e3b\u9875\u3011siy2333 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\/>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\n<ul>\n<li>\u524d\u8a00&#xff1a;<\/li>\n<li>\u6808\u7684\u57fa\u672c\u6982\u5ff5<\/li>\n<li>\u6808\u7684\u5b9e\u73b0<\/li>\n<li>\n<ul>\n<li>\u521d\u59cb\u5316<\/li>\n<li>\u5165\u6808<\/li>\n<li>\u51fa\u6808<\/li>\n<li>\u67e5\u770b\u6808\u9876\u5143\u7d20<\/li>\n<li>\u68c0\u67e5\u6808\u662f\u5426\u4e3a\u7a7a<\/li>\n<li>\u83b7\u53d6\u6808\u7684\u5927\u5c0f<\/li>\n<li>\u9500\u6bc1\u6808<\/li>\n<\/ul>\n<\/li>\n<li>\u6808\u7684\u5e94\u7528\u573a\u666f<\/li>\n<li>\n<ul>\n<li>\u51fd\u6570\u8c03\u7528<\/li>\n<li>\u8868\u8fbe\u5f0f\u6c42\u503c<\/li>\n<li>\u62ec\u53f7\u5339\u914d<\/li>\n<li>\u6d4f\u89c8\u5668\u7684\u524d\u8fdb\u548c\u540e\u9000\u529f\u80fd<\/li>\n<\/ul>\n<\/li>\n<li>\u6808\u7684\u4f18\u7f3a\u70b9<\/li>\n<li>\u6808\u7684\u4f18\u5316<\/li>\n<li>\n<ul>\n<li>\u9884\u5206\u914d\u5185\u5b58<\/li>\n<li>\u4f7f\u7528\u5faa\u73af\u7f13\u51b2\u533a<\/li>\n<\/ul>\n<\/li>\n<li>\u6808\u7684\u6d4b\u8bd5<\/li>\n<li>\u5b8c\u6574\u4ee3\u7801<\/li>\n<li>\n<ul>\n<li>\u5934\u6587\u4ef6<\/li>\n<li>\u6e90\u6587\u4ef6<\/li>\n<\/ul>\n<\/li>\n<li>\u6808\u7684\u603b\u7ed3<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<h3>\u524d\u8a00&#xff1a;<\/h3>\n<p>\u5728\u8ba1\u7b97\u673a\u79d1\u5b66\u4e2d&#xff0c;\u6570\u636e\u7ed3\u6784\u662f\u7ec4\u7ec7\u548c\u5b58\u50a8\u6570\u636e\u7684\u65b9\u5f0f&#xff0c;\u800c\u6808&#xff08;Stack&#xff09;\u662f\u5176\u4e2d\u4e00\u79cd\u975e\u5e38\u57fa\u7840\u4e14\u91cd\u8981\u7684\u6570\u636e\u7ed3\u6784\u3002\u5b83\u9075\u5faa\u540e\u8fdb\u5148\u51fa&#xff08;Last In First Out&#xff0c;LIFO&#xff09;\u7684\u539f\u5219&#xff0c;\u5c31\u50cf\u4e00\u53e0\u76d8\u5b50&#xff0c;\u4f60\u53ea\u80fd\u5728\u6700\u4e0a\u9762\u6dfb\u52a0\u6216\u79fb\u9664\u76d8\u5b50\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u6808\u7684\u539f\u7406\u3001\u5b9e\u73b0\u65b9\u5f0f\u4ee5\u53ca\u5e94\u7528\u573a\u666f&#xff0c;\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u8fd0\u7528\u8fd9\u4e00\u6570\u636e\u7ed3\u6784\u3002<\/p>\n<p>\u6587\u672b\u9644\u5e26\u5b8c\u6574\u7684\u5e26\u6709\u6807\u51c6\u6ce8\u91ca\u7684c\u8bed\u8a00\u5934\u6587\u4ef6\u4ee5\u53ca\u6e90\u6587\u4ef6\u3002<\/p>\n<hr \/>\n<h3>\u6808\u7684\u57fa\u672c\u6982\u5ff5<\/h3>\n<p>\u6808\u662f\u4e00\u79cd\u7ebf\u6027\u6570\u636e\u7ed3\u6784&#xff0c;\u5b83\u53ea\u5141\u8bb8\u5728\u8868\u7684\u4e00\u7aef\u8fdb\u884c\u63d2\u5165\u548c\u5220\u9664\u64cd\u4f5c\u3002\u8fd9\u4e00\u7aef\u88ab\u79f0\u4e3a\u6808\u9876&#xff08;Top&#xff09;&#xff0c;\u800c\u53e6\u4e00\u7aef\u88ab\u79f0\u4e3a\u6808\u5e95&#xff08;Bottom&#xff09;\u3002\u6808\u7684\u57fa\u672c\u64cd\u4f5c\u5305\u62ec&#xff1a;<\/p>\n<li>\u5165\u6808&#xff08;Push&#xff09;&#xff1a;\u5c06\u4e00\u4e2a\u5143\u7d20\u6dfb\u52a0\u5230\u6808\u9876\u3002<\/li>\n<li>\u51fa\u6808&#xff08;Pop&#xff09;&#xff1a;\u79fb\u9664\u6808\u9876\u7684\u5143\u7d20\u3002<\/li>\n<li>\u67e5\u770b\u6808\u9876\u5143\u7d20&#xff08;Top&#xff09;&#xff1a;\u83b7\u53d6\u6808\u9876\u5143\u7d20\u7684\u503c&#xff0c;\u4f46\u4e0d\u79fb\u9664\u5b83\u3002<\/li>\n<li>\u68c0\u67e5\u6808\u662f\u5426\u4e3a\u7a7a&#xff08;Empty&#xff09;&#xff1a;\u5224\u65ad\u6808\u4e2d\u662f\u5426\u8fd8\u6709\u5143\u7d20\u3002<\/li>\n<li>\u83b7\u53d6\u6808\u7684\u5927\u5c0f&#xff08;Size&#xff09;&#xff1a;\u8fd4\u56de\u6808\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002<\/li>\n<p>\u8fd9\u4e9b\u64cd\u4f5c\u7684\u5b9e\u73b0\u65b9\u5f0f\u4f1a\u56e0\u5177\u4f53\u7684\u7f16\u7a0b\u8bed\u8a00\u548c\u6570\u636e\u7ed3\u6784\u8bbe\u8ba1\u800c\u6709\u6240\u4e0d\u540c&#xff0c;\u4f46\u57fa\u672c\u539f\u7406\u662f\u4e00\u81f4\u7684\u3002<\/p>\n<h3>\u6808\u7684\u5b9e\u73b0<\/h3>\n<p>\u6808\u53ef\u4ee5\u901a\u8fc7\u6570\u7ec4\u6216\u94fe\u8868\u6765\u5b9e\u73b0\u3002\u5728\u672c\u6587\u4e2d&#xff0c;\u6211\u4eec\u5c06\u91cd\u70b9\u4ecb\u7ecd\u57fa\u4e8e\u6570\u7ec4\u7684\u6808\u5b9e\u73b0&#xff0c;\u56e0\u4e3a\u5b83\u66f4\u7b80\u5355\u4e14\u6613\u4e8e\u7406\u89e3\u3002\u4ee5\u4e0b\u662f\u57fa\u4e8e\u6570\u7ec4\u7684\u6808\u5b9e\u73b0\u7684\u5173\u952e\u70b9&#xff1a;<\/p>\n<h4>\u521d\u59cb\u5316<\/h4>\n<p>\u5728\u4f7f\u7528\u6808\u4e4b\u524d&#xff0c;\u9700\u8981\u5bf9\u5176\u8fdb\u884c\u521d\u59cb\u5316\u3002\u8fd9\u901a\u5e38\u5305\u62ec\u5206\u914d\u5185\u5b58\u7a7a\u95f4\u3001\u8bbe\u7f6e\u6808\u9876\u6307\u9488\u548c\u6808\u7684\u5bb9\u91cf\u3002\u5728\u6211\u4eec\u7684\u4ee3\u7801\u793a\u4f8b\u4e2d&#xff0c;\u6808\u7684\u521d\u59cb\u5316\u51fd\u6570STInit\u4f1a\u4e3a\u6808\u5206\u914d\u521d\u59cb\u5bb9\u91cf\u4e3a4\u7684\u5185\u5b58\u7a7a\u95f4&#xff0c;\u5e76\u5c06\u6808\u9876\u6307\u9488\u8bbe\u7f6e\u4e3a0\u3002<\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">STInit<\/span><span class=\"token punctuation\">(<\/span>ST<span class=\"token operator\">*<\/span> ps<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>ps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    ps<span class=\"token operator\">-&gt;<\/span>a <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>STDataType<span class=\"token operator\">*<\/span><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>STDataType<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ps<span class=\"token operator\">-&gt;<\/span>a <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">perror<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;malloc fail&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    ps<span class=\"token operator\">-&gt;<\/span>capacity <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    ps<span class=\"token operator\">-&gt;<\/span>top <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ The next position of the current stack top element<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>\u5165\u6808<\/h4>\n<p>\u5f53\u5411\u6808\u4e2d\u6dfb\u52a0\u5143\u7d20\u65f6&#xff0c;\u9700\u8981\u68c0\u67e5\u6808\u662f\u5426\u5df2\u6ee1\u3002\u5982\u679c\u6808\u5df2\u6ee1&#xff0c;\u5219\u9700\u8981\u6269\u5bb9\u3002\u6269\u5bb9\u901a\u5e38\u662f\u901a\u8fc7\u5206\u914d\u66f4\u5927\u7684\u5185\u5b58\u7a7a\u95f4\u6765\u5b9e\u73b0\u7684\u3002\u5728\u6211\u4eec\u7684\u4ee3\u7801\u4e2d&#xff0c;\u5f53\u6808\u6ee1\u65f6&#xff0c;\u4f1a\u5c06\u6808\u7684\u5bb9\u91cf\u52a0\u500d\u3002<\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">STPush<\/span><span class=\"token punctuation\">(<\/span>ST<span class=\"token operator\">*<\/span> ps<span class=\"token punctuation\">,<\/span> STDataType x<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>ps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ps<span class=\"token operator\">-&gt;<\/span>capacity <span class=\"token operator\">&#061;&#061;<\/span> ps<span class=\"token operator\">-&gt;<\/span>top<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        STDataType<span class=\"token operator\">*<\/span> point <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>STDataType<span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token function\">realloc<\/span><span class=\"token punctuation\">(<\/span>ps<span class=\"token operator\">-&gt;<\/span>a<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>STDataType<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> ps<span class=\"token operator\">-&gt;<\/span>capacity <span class=\"token operator\">*<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>point <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">perror<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;realloc fail&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        ps<span class=\"token operator\">-&gt;<\/span>a <span class=\"token operator\">&#061;<\/span> point<span class=\"token punctuation\">;<\/span><br \/>\n        ps<span class=\"token operator\">-&gt;<\/span>capacity <span class=\"token operator\">*&#061;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    ps<span class=\"token operator\">-&gt;<\/span>a<span class=\"token punctuation\">[<\/span>ps<span class=\"token operator\">-&gt;<\/span>top<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> x<span class=\"token punctuation\">;<\/span><br \/>\n    ps<span class=\"token operator\">-&gt;<\/span>top<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>\u51fa\u6808<\/h4>\n<p>\u51fa\u6808\u64cd\u4f5c\u76f8\u5bf9\u7b80\u5355&#xff0c;\u53ea\u9700\u8981\u5c06\u6808\u9876\u6307\u9488\u51cf1\u5373\u53ef\u3002\u4f46\u5728\u51fa\u6808\u4e4b\u524d&#xff0c;\u9700\u8981\u68c0\u67e5\u6808\u662f\u5426\u4e3a\u7a7a&#xff0c;\u4ee5\u907f\u514d\u51fa\u73b0\u9519\u8bef\u3002<\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">STPop<\/span><span class=\"token punctuation\">(<\/span>ST<span class=\"token operator\">*<\/span> ps<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>ps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">STEmpty<\/span><span class=\"token punctuation\">(<\/span>ps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    ps<span class=\"token operator\">-&gt;<\/span>top<span class=\"token operator\">&#8212;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>\u67e5\u770b\u6808\u9876\u5143\u7d20<\/h4>\n<p>\u67e5\u770b\u6808\u9876\u5143\u7d20\u7684\u64cd\u4f5c\u4e5f\u5f88\u7b80\u5355&#xff0c;\u53ea\u9700\u8981\u8fd4\u56de\u6808\u9876\u6307\u9488\u6240\u6307\u5411\u7684\u5143\u7d20\u5373\u53ef\u3002\u540c\u6837&#xff0c;\u5728\u6267\u884c\u6b64\u64cd\u4f5c\u4e4b\u524d&#xff0c;\u9700\u8981\u68c0\u67e5\u6808\u662f\u5426\u4e3a\u7a7a\u3002<\/p>\n<p>STDataType <span class=\"token function\">STTop<\/span><span class=\"token punctuation\">(<\/span>ST<span class=\"token operator\">*<\/span> ps<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>ps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">STEmpty<\/span><span class=\"token punctuation\">(<\/span>ps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> ps<span class=\"token operator\">-&gt;<\/span>a<span class=\"token punctuation\">[<\/span>ps<span class=\"token operator\">-&gt;<\/span>top <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>\u68c0\u67e5\u6808\u662f\u5426\u4e3a\u7a7a<\/h4>\n<p>\u68c0\u67e5\u6808\u662f\u5426\u4e3a\u7a7a\u7684\u64cd\u4f5c\u53ef\u4ee5\u901a\u8fc7\u6bd4\u8f83\u6808\u9876\u6307\u9488\u662f\u5426\u4e3a0\u6765\u5b9e\u73b0\u3002<\/p>\n<p>bool <span class=\"token function\">STEmpty<\/span><span class=\"token punctuation\">(<\/span>ST<span class=\"token operator\">*<\/span> ps<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>ps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> ps<span class=\"token operator\">-&gt;<\/span>top <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>\u83b7\u53d6\u6808\u7684\u5927\u5c0f<\/h4>\n<p>\u83b7\u53d6\u6808\u7684\u5927\u5c0f\u7684\u64cd\u4f5c\u53ef\u4ee5\u901a\u8fc7\u8fd4\u56de\u6808\u9876\u6307\u9488\u7684\u503c\u6765\u5b9e\u73b0\u3002<\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">STSize<\/span><span class=\"token punctuation\">(<\/span>ST<span class=\"token operator\">*<\/span> ps<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>ps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> ps<span class=\"token operator\">-&gt;<\/span>top<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>\u9500\u6bc1\u6808<\/h4>\n<p>\u5728\u4f7f\u7528\u5b8c\u6808\u540e&#xff0c;\u9700\u8981\u5bf9\u5176\u8fdb\u884c\u9500\u6bc1&#xff0c;\u4ee5\u91ca\u653e\u5206\u914d\u7684\u5185\u5b58\u7a7a\u95f4\u3002\u9500\u6bc1\u6808\u7684\u64cd\u4f5c\u5305\u62ec\u91ca\u653e\u5185\u5b58\u7a7a\u95f4\u3001\u5c06\u6808\u9876\u6307\u9488\u548c\u5bb9\u91cf\u8bbe\u7f6e\u4e3a0\u3002<\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">STDestory<\/span><span class=\"token punctuation\">(<\/span>ST<span class=\"token operator\">*<\/span> ps<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>ps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">free<\/span><span class=\"token punctuation\">(<\/span>ps<span class=\"token operator\">-&gt;<\/span>a<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    ps<span class=\"token operator\">-&gt;<\/span>a <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    ps<span class=\"token operator\">-&gt;<\/span>top <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    ps<span class=\"token operator\">-&gt;<\/span>capacity <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>\u6808\u7684\u5e94\u7528\u573a\u666f<\/h3>\n<p>\u6808\u5728\u8ba1\u7b97\u673a\u79d1\u5b66\u4e2d\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528&#xff0c;\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u5e94\u7528\u573a\u666f&#xff1a;<\/p>\n<h4>\u51fd\u6570\u8c03\u7528<\/h4>\n<p>\u5728\u7f16\u7a0b\u8bed\u8a00\u4e2d&#xff0c;\u51fd\u6570\u8c03\u7528\u662f\u901a\u8fc7\u6808\u6765\u5b9e\u73b0\u7684\u3002\u5f53\u4e00\u4e2a\u51fd\u6570\u88ab\u8c03\u7528\u65f6&#xff0c;\u5b83\u7684\u53c2\u6570\u3001\u8fd4\u56de\u5730\u5740\u548c\u5c40\u90e8\u53d8\u91cf\u7b49\u4fe1\u606f\u4f1a\u88ab\u538b\u5165\u8c03\u7528\u6808\u4e2d\u3002\u5f53\u51fd\u6570\u6267\u884c\u5b8c\u6bd5\u540e&#xff0c;\u8fd9\u4e9b\u4fe1\u606f\u4f1a\u88ab\u5f39\u51fa\u6808&#xff0c;\u7a0b\u5e8f\u4f1a\u8fd4\u56de\u5230\u8c03\u7528\u51fd\u6570\u7684\u4f4d\u7f6e\u7ee7\u7eed\u6267\u884c\u3002<\/p>\n<h4>\u8868\u8fbe\u5f0f\u6c42\u503c<\/h4>\n<p>\u6808\u53ef\u4ee5\u7528\u4e8e\u8868\u8fbe\u5f0f\u7684\u6c42\u503c\u3002\u4f8b\u5982&#xff0c;\u5728\u8ba1\u7b97\u540e\u7f00\u8868\u8fbe\u5f0f\u65f6&#xff0c;\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2a\u6808\u6765\u5b58\u50a8\u64cd\u4f5c\u6570\u3002\u5f53\u9047\u5230\u4e00\u4e2a\u64cd\u4f5c\u7b26\u65f6&#xff0c;\u4ece\u6808\u4e2d\u5f39\u51fa\u4e24\u4e2a\u64cd\u4f5c\u6570&#xff0c;\u8fdb\u884c\u76f8\u5e94\u7684\u8fd0\u7b97&#xff0c;\u7136\u540e\u5c06\u7ed3\u679c\u538b\u5165\u6808\u4e2d\u3002\u5f53\u8868\u8fbe\u5f0f\u8ba1\u7b97\u5b8c\u6bd5\u65f6&#xff0c;\u6808\u9876\u7684\u5143\u7d20\u5c31\u662f\u8868\u8fbe\u5f0f\u7684\u503c\u3002<\/p>\n<h4>\u62ec\u53f7\u5339\u914d<\/h4>\n<p>\u6808\u53ef\u4ee5\u7528\u4e8e\u68c0\u67e5\u62ec\u53f7\u662f\u5426\u5339\u914d\u3002\u5f53\u9047\u5230\u4e00\u4e2a\u5de6\u62ec\u53f7\u65f6&#xff0c;\u5c06\u5176\u538b\u5165\u6808\u4e2d&#xff1b;\u5f53\u9047\u5230\u4e00\u4e2a\u53f3\u62ec\u53f7\u65f6&#xff0c;\u4ece\u6808\u4e2d\u5f39\u51fa\u4e00\u4e2a\u5de6\u62ec\u53f7\u3002\u5982\u679c\u5728\u5f39\u51fa\u5de6\u62ec\u53f7\u65f6\u6808\u4e3a\u7a7a&#xff0c;\u6216\u8005\u5f39\u51fa\u7684\u5de6\u62ec\u53f7\u4e0e\u53f3\u62ec\u53f7\u4e0d\u5339\u914d&#xff0c;\u5219\u8bf4\u660e\u62ec\u53f7\u4e0d\u5339\u914d\u3002<\/p>\n<h4>\u6d4f\u89c8\u5668\u7684\u524d\u8fdb\u548c\u540e\u9000\u529f\u80fd<\/h4>\n<p>\u6d4f\u89c8\u5668\u7684\u524d\u8fdb\u548c\u540e\u9000\u529f\u80fd\u4e5f\u53ef\u4ee5\u901a\u8fc7\u6808\u6765\u5b9e\u73b0\u3002\u5f53\u7528\u6237\u8bbf\u95ee\u4e00\u4e2a\u7f51\u9875\u65f6&#xff0c;\u5c06\u8be5\u7f51\u9875\u7684\u5730\u5740\u538b\u5165\u4e00\u4e2a\u6808\u4e2d&#xff1b;\u5f53\u7528\u6237\u70b9\u51fb\u540e\u9000\u6309\u94ae\u65f6&#xff0c;\u4ece\u6808\u4e2d\u5f39\u51fa\u4e00\u4e2a\u7f51\u9875\u5730\u5740\u5e76\u8df3\u8f6c\u5230\u8be5\u7f51\u9875&#xff1b;\u5f53\u7528\u6237\u70b9\u51fb\u524d\u8fdb\u6309\u94ae\u65f6&#xff0c;\u5c06\u5f39\u51fa\u7684\u7f51\u9875\u5730\u5740\u538b\u5165\u53e6\u4e00\u4e2a\u6808\u4e2d\u3002<\/p>\n<h3>\u6808\u7684\u4f18\u7f3a\u70b9<\/h3>\n<p>\u6808\u7684\u4f18\u70b9\u5305\u62ec&#xff1a;<\/p>\n<li>\u7b80\u5355\u6613\u7528&#xff1a;\u6808\u7684\u5b9e\u73b0\u76f8\u5bf9\u7b80\u5355&#xff0c;\u64cd\u4f5c\u4e5f\u5bb9\u6613\u7406\u89e3\u3002<\/li>\n<li>\u9ad8\u6548&#xff1a;\u6808\u7684\u57fa\u672c\u64cd\u4f5c&#xff08;\u5982\u5165\u6808\u3001\u51fa\u6808\u3001\u67e5\u770b\u6808\u9876\u5143\u7d20\u7b49&#xff09;\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(1)\u3002<\/li>\n<li>\u9002\u7528\u8303\u56f4\u5e7f&#xff1a;\u6808\u5728\u8ba1\u7b97\u673a\u79d1\u5b66\u4e2d\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528&#xff0c;\u5982\u51fd\u6570\u8c03\u7528\u3001\u8868\u8fbe\u5f0f\u6c42\u503c\u3001\u56de\u6eaf\u7b97\u6cd5\u7b49\u3002<\/li>\n<p>\u7136\u800c&#xff0c;\u6808\u4e5f\u6709\u4e00\u4e9b\u7f3a\u70b9&#xff1a;<\/p>\n<li>\u5bb9\u91cf\u9650\u5236&#xff1a;\u5982\u679c\u6808\u7684\u5bb9\u91cf\u6709\u9650&#xff0c;\u53ef\u80fd\u4f1a\u51fa\u73b0\u6808\u6ea2\u51fa\u7684\u60c5\u51b5\u3002\u867d\u7136\u53ef\u4ee5\u901a\u8fc7\u52a8\u6001\u6269\u5bb9\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898&#xff0c;\u4f46\u52a8\u6001\u6269\u5bb9\u4f1a\u589e\u52a0\u65f6\u95f4\u548c\u7a7a\u95f4\u7684\u5f00\u9500\u3002<\/li>\n<li>\u53ea\u80fd\u5728\u4e00\u7aef\u64cd\u4f5c&#xff1a;\u6808\u53ea\u80fd\u5728\u6808\u9876\u8fdb\u884c\u63d2\u5165\u548c\u5220\u9664\u64cd\u4f5c&#xff0c;\u4e0d\u80fd\u5728\u5176\u4ed6\u4f4d\u7f6e\u8fdb\u884c\u64cd\u4f5c\u3002<\/li>\n<h3>\u6808\u7684\u4f18\u5316<\/h3>\n<p>\u867d\u7136\u6808\u7684\u57fa\u672c\u64cd\u4f5c\u5df2\u7ecf\u975e\u5e38\u9ad8\u6548&#xff0c;\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b&#xff0c;\u6211\u4eec\u4ecd\u7136\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e9b\u4f18\u5316\u624b\u6bb5\u6765\u63d0\u9ad8\u6808\u7684\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u4f18\u5316\u65b9\u6cd5&#xff1a;<\/p>\n<h4>\u9884\u5206\u914d\u5185\u5b58<\/h4>\n<p>\u5728\u521d\u59cb\u5316\u6808\u65f6&#xff0c;\u53ef\u4ee5\u9884\u5206\u914d\u4e00\u5b9a\u91cf\u7684\u5185\u5b58\u7a7a\u95f4&#xff0c;\u4ee5\u51cf\u5c11\u52a8\u6001\u6269\u5bb9\u7684\u6b21\u6570\u3002\u8fd9\u53ef\u4ee5\u63d0\u9ad8\u6808\u7684\u6027\u80fd&#xff0c;\u4f46\u4f1a\u589e\u52a0\u5185\u5b58\u7684\u4f7f\u7528\u91cf\u3002<\/p>\n<h4>\u4f7f\u7528\u5faa\u73af\u7f13\u51b2\u533a<\/h4>\n<p>\u5faa\u73af\u7f13\u51b2\u533a\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u6570\u7ec4\u7ed3\u6784&#xff0c;\u5b83\u53ef\u4ee5\u5faa\u73af\u4f7f\u7528\u5185\u5b58\u7a7a\u95f4\u3002\u901a\u8fc7\u4f7f\u7528\u5faa\u73af\u7f13\u51b2\u533a&#xff0c;\u53ef\u4ee5\u51cf\u5c11\u5185\u5b58\u7684\u5206\u914d\u548c\u91ca\u653e\u6b21\u6570&#xff0c;\u4ece\u800c\u63d0\u9ad8\u6808\u7684\u6027\u80fd\u3002<\/p>\n<h3>\u6808\u7684\u6d4b\u8bd5<\/h3>\n<p>\u4e3a\u4e86\u9a8c\u8bc1\u6808\u7684\u6b63\u786e\u6027\u548c\u6027\u80fd&#xff0c;\u6211\u4eec\u9700\u8981\u5bf9\u5176\u8fdb\u884c\u6d4b\u8bd5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u6d4b\u8bd5\u7a0b\u5e8f&#xff0c;\u7528\u4e8e\u6d4b\u8bd5\u6808\u7684\u57fa\u672c\u64cd\u4f5c&#xff1a;<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&#034;Stack.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">Test1<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    ST head<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">STInit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>head<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token function\">STPush<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>head<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">STPush<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>head<span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">STPush<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>head<span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">STPush<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>head<span class=\"token punctuation\">,<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">STPush<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>head<span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">STEmpty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>head<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;%d &#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">STTop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>head<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">STPop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&amp;<\/span>head<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token function\">printf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">Test1<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u5728\u8fd9\u4e2a\u6d4b\u8bd5\u7a0b\u5e8f\u4e2d&#xff0c;\u6211\u4eec\u9996\u5148\u521d\u59cb\u5316\u4e86\u4e00\u4e2a\u6808&#xff0c;\u7136\u540e\u4f9d\u6b21\u5411\u6808\u4e2d\u6dfb\u52a0\u4e865\u4e2a\u5143\u7d20\u3002\u63a5\u7740&#xff0c;\u6211\u4eec\u4f9d\u6b21\u4ece\u6808\u4e2d\u5f39\u51fa\u5143\u7d20&#xff0c;\u5e76\u6253\u5370\u51fa\u6bcf\u4e2a\u5143\u7d20\u7684\u503c\u3002\u6700\u540e&#xff0c;\u6211\u4eec\u9500\u6bc1\u4e86\u6808\u3002<\/p>\n<h3>\u5b8c\u6574\u4ee3\u7801<\/h3>\n<h4>\u5934\u6587\u4ef6<\/h4>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">pragma<\/span> <span class=\"token expression\">once<\/span><\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n* &#064;file Stack.h<br \/>\n* &#064;brief The header file of the Stack.<br \/>\n* &#064;author siy2333<br \/>\n* &#064;date 2025.5.11<br \/>\n*<br \/>\n* This header file defines the data structure and related operation functions of a Stack.<br \/>\n* Stack is a Last-In-First-Out (LIFO) data structure used for storing and managing data elements,<br \/>\nsupporting operations to add (push) and remove (pop) elements at the top,<br \/>\nand is widely applied in program calling, expression evaluation, and other scenarios.<br \/>\n* Provides basic operations for adding, deleting, querying, and modifying.<br \/>\n*\/<\/span><\/p>\n<p><span class=\"token comment\">\/\/Standard library header files included.<\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;stdio.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;stdlib.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;stdbool.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;assert.h&gt;<\/span><\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n* &#064;brief The data types stored in the Stack.<br \/>\n*\/<\/span><br \/>\n<span class=\"token keyword\">typedef<\/span> <span class=\"token keyword\">int<\/span> STDataType<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n* &#064;typedef struct Stack.<br \/>\n* &#064;brief Structure definition of Stack.<br \/>\n*\/<\/span><br \/>\n<span class=\"token keyword\">typedef<\/span> <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">Stack<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\nSTDataType<span class=\"token operator\">*<\/span> a<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\/&lt; The pointer to the memory for the Stack.<\/span><br \/>\n<span class=\"token keyword\">int<\/span> top<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\/&lt; The next position of the current Stack top element.<\/span><br \/>\n<span class=\"token keyword\">int<\/span> capacity<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\/&lt; The size of capacity.<\/span><br \/>\n<span class=\"token punctuation\">}<\/span>ST<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n* &#064;brief Initialize Stack.<br \/>\n*\/<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">STInit<\/span><span class=\"token punctuation\">(<\/span>ST<span class=\"token operator\">*<\/span> ps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n* &#064;brief Destory the Stack.<br \/>\n*\/<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">STDestory<\/span><span class=\"token punctuation\">(<\/span>ST<span class=\"token operator\">*<\/span> ps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n* &#064;brief Store x in the top of the Stack.<br \/>\n*\/<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">STPush<\/span><span class=\"token punctuation\">(<\/span>ST<span class=\"token operator\">*<\/span> ps<span class=\"token punctuation\">,<\/span> STDataType x<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n* &#064;brief Delete x at the top of the Stack.<br \/>\n*\/<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">STPop<\/span><span class=\"token punctuation\">(<\/span>ST<span class=\"token operator\">*<\/span> ps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n* &#064;brief return the capacity size of the Stack.<br \/>\n*\/<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">STSize<\/span><span class=\"token punctuation\">(<\/span>ST<span class=\"token operator\">*<\/span> ps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n* &#064;brief Check whether the Stack is empty.<br \/>\n* &#064;return If the Stack is empty, return 1; Otherwise, return 0.<br \/>\n*\/<\/span><br \/>\nbool <span class=\"token function\">STEmpty<\/span><span class=\"token punctuation\">(<\/span>ST<span class=\"token operator\">*<\/span> ps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n* &#064;brief Return the data at the top of the Stack.<br \/>\n* &#064;return the data at the top of the Stack.<br \/>\n*\/<\/span><br \/>\nSTDataType <span class=\"token function\">STTop<\/span><span class=\"token punctuation\">(<\/span>ST<span class=\"token operator\">*<\/span> ps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h4>\u6e90\u6587\u4ef6<\/h4>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&#034;Stack.h&#034;<\/span><\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n* &#064;details<br \/>\nThe faction use malloc to apply for 4 copies of memory for the Stack.<br \/>\nThe 0 will be store int the ps-&gt;top, it mean the next position of the current stack top element.<br \/>\nThe capacity will be set to 4.<br \/>\n* &#064;warning ps mustn&#039;t be NULL.<br \/>\n*\/<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">STInit<\/span><span class=\"token punctuation\">(<\/span>ST<span class=\"token operator\">*<\/span> ps<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>ps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>ps<span class=\"token operator\">-&gt;<\/span>a <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>STDataType<span class=\"token operator\">*<\/span><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>STDataType<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ps<span class=\"token operator\">-&gt;<\/span>a <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">perror<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;malloc fail&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>ps<span class=\"token operator\">-&gt;<\/span>capacity <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">;<\/span><br \/>\nps<span class=\"token operator\">-&gt;<\/span>top <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/The next position of the current stack top element<\/span><\/p>\n<p><span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n* &#064;details<br \/>\nThe faction will free the memory for the Stack;<br \/>\nThe top will be set to 0;<br \/>\nThe capacity will be set to 0.<br \/>\n* &#064;warning ps mustn&#039;t be NULL.<br \/>\n*\/<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">STDestory<\/span><span class=\"token punctuation\">(<\/span>ST<span class=\"token operator\">*<\/span> ps<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>ps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token function\">free<\/span><span class=\"token punctuation\">(<\/span>ps<span class=\"token operator\">-&gt;<\/span>a<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nps<span class=\"token operator\">-&gt;<\/span>a <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">;<\/span><br \/>\nps<span class=\"token operator\">-&gt;<\/span>top <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\nps<span class=\"token operator\">-&gt;<\/span>capacity <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n* &#064;details<br \/>\nThe faction will check whether the Stack is full;<br \/>\nIf the Stack is full, it will use realloc() to double the capacity, and refresh the ps-&gt;capacity.<br \/>\nIt will store the x in the ps-&gt;a[top], and refresh the ps-&gt;top.<br \/>\n* &#064;warning ps mustn&#039;t be NULL.<br \/>\n*\/<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">STPush<\/span><span class=\"token punctuation\">(<\/span>ST<span class=\"token operator\">*<\/span> ps<span class=\"token punctuation\">,<\/span> STDataType x<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>ps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ps<span class=\"token operator\">-&gt;<\/span>capacity <span class=\"token operator\">&#061;&#061;<\/span> ps<span class=\"token operator\">-&gt;<\/span>top<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\nSTDataType<span class=\"token operator\">*<\/span> point <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>STDataType<span class=\"token operator\">*<\/span><span class=\"token punctuation\">)<\/span><span class=\"token function\">realloc<\/span><span class=\"token punctuation\">(<\/span>ps<span class=\"token operator\">-&gt;<\/span>a<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">sizeof<\/span><span class=\"token punctuation\">(<\/span>STDataType<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> ps<span class=\"token operator\">-&gt;<\/span>capacity <span class=\"token operator\">*<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>point <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">perror<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;realloc fail&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\nps<span class=\"token operator\">-&gt;<\/span>a <span class=\"token operator\">&#061;<\/span> point<span class=\"token punctuation\">;<\/span><br \/>\nps<span class=\"token operator\">-&gt;<\/span>capacity <span class=\"token operator\">*&#061;<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>ps<span class=\"token operator\">-&gt;<\/span>a<span class=\"token punctuation\">[<\/span>ps<span class=\"token operator\">-&gt;<\/span>top<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> x<span class=\"token punctuation\">;<\/span><br \/>\nps<span class=\"token operator\">-&gt;<\/span>top<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n* &#064;details<br \/>\nThe function will refresh the ps-&gt;top.<br \/>\n* &#064;warning ps musn&#039;t be NULL;<br \/>\n* &#064;warning The Stack mustn&#039;t be empty.<br \/>\n*\/<\/span><br \/>\n<span class=\"token keyword\">void<\/span> <span class=\"token function\">STPop<\/span><span class=\"token punctuation\">(<\/span>ST<span class=\"token operator\">*<\/span> ps<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>ps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">STEmpty<\/span><span class=\"token punctuation\">(<\/span>ps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>ps<span class=\"token operator\">-&gt;<\/span>top<span class=\"token operator\">&#8212;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n* &#064;warning ps mustn&#039;t be NULL;<br \/>\n*\/<\/span><br \/>\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">STSize<\/span><span class=\"token punctuation\">(<\/span>ST<span class=\"token operator\">*<\/span> ps<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>ps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">return<\/span> ps<span class=\"token operator\">-&gt;<\/span>top<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n* &#064;warning ps mustn&#039;t be NULL;<br \/>\n*\/<\/span><br \/>\nbool <span class=\"token function\">STEmpty<\/span><span class=\"token punctuation\">(<\/span>ST<span class=\"token operator\">*<\/span> ps<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>ps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">return<\/span> ps<span class=\"token operator\">-&gt;<\/span>top <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n* &#064;warning ps musn&#039;t be NULL;<br \/>\n* &#064;warning The Stack mustn&#039;t be empty.<br \/>\n*\/<\/span><br \/>\nSTDataType <span class=\"token function\">STTop<\/span><span class=\"token punctuation\">(<\/span>ST<span class=\"token operator\">*<\/span> ps<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n<span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span>ps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">assert<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">STEmpty<\/span><span class=\"token punctuation\">(<\/span>ps<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">return<\/span> ps<span class=\"token operator\">-&gt;<\/span>a<span class=\"token punctuation\">[<\/span>ps<span class=\"token operator\">-&gt;<\/span>top <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token 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