{"id":557,"date":"2024-09-27T10:27:13","date_gmt":"2024-09-27T02:27:13","guid":{"rendered":"http:\/\/114.55.108.251\/?p=557"},"modified":"2025-01-23T20:30:26","modified_gmt":"2025-01-23T12:30:26","slug":"c%e7%9f%a5%e8%af%86%e9%80%9f%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/guapicoding.com\/?p=557","title":{"rendered":"C++\u77e5\u8bc6\u901f\u8bb0"},"content":{"rendered":"\n<h3 class=\"wp-block-heading has-text-align-left\">\u9762\u5411\u5bf9\u8c61<\/h3>\n\n\n\n<p>\u5728C++\u4e2d\uff0c\u521b\u5efa\u5bf9\u8c61\u7684\u4e24\u79cd\u65b9\u5f0f\u6709\u672c\u8d28\u7684\u4e0d\u540c\uff0c\u5206\u522b\u4ee3\u8868\u4e86\u5728\u6808\u4e0a\u548c\u5728\u5806\u4e0a\u521b\u5efa\u5bf9\u8c61 <\/p>\n\n\n\n<p><strong>1. <code>SpeechManager* sm = new SpeechManager();<\/code><\/strong><\/p>\n\n\n\n<p>\u5806\u4e0a\u521b\u5efa\u5bf9\u8c61\uff08\u52a8\u6001\u5206\u914d\u5185\u5b58\uff09\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528<code>new<\/code>\u8fd0\u7b97\u7b26\uff0c\u610f\u5473\u7740<code>SpeechManager<\/code>\u5bf9\u8c61\u662f\u5728\u5806\u4e0a\u5206\u914d\u7684<\/li>\n\n\n\n<li>\u8fd4\u56de\u7c7b\u578b\u662f<code>SpeechManager*<\/code>\uff0c\u5373\u6307\u5411<code>SpeechManager<\/code>\u5bf9\u8c61\u7684\u6307\u9488<\/li>\n\n\n\n<li>\u9700\u8981\u663e\u5f0f\u5730\u91ca\u653e\u5185\u5b58\uff0c\u4ee5\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\uff0c\u901a\u5e38\u4f7f\u7528<code>delete sm;<\/code><\/li>\n<\/ul>\n\n\n\n<p><strong>2. <code>SpeechManager sm;<\/code><\/strong><\/p>\n\n\n\n<p>\u6808\u4e0a\u521b\u5efa\u5bf9\u8c61\uff08\u81ea\u52a8\u5206\u914d\u5185\u5b58\uff09\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>sm<\/code>\u662f\u4e00\u4e2a<code>SpeechManager<\/code>\u7c7b\u578b\u7684\u5bf9\u8c61\uff0c\u4e0d\u662f\u6307\u9488<\/li>\n\n\n\n<li>\u4e0d\u9700\u8981\u624b\u52a8\u91ca\u653e\u5185\u5b58\uff0c\u81ea\u52a8\u7ba1\u7406\u5185\u5b58\u51cf\u5c11\u4e86\u5185\u5b58\u6cc4\u6f0f\u7684\u98ce\u9669<\/li>\n\n\n\n<li>\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u53d7\u9650\u4e8e\u5176\u4f5c\u7528\u57df\uff0c\u5f53\u8be5\u4f5c\u7528\u57df\u7ed3\u675f\u65f6\uff08\u6bd4\u5982\u51fd\u6570\u8fd4\u56de\u65f6\uff09\uff0c\u5bf9\u8c61\u4f1a\u88ab\u81ea\u52a8\u9500\u6bc1\uff0c\u5185\u5b58\u4f1a\u88ab\u81ea\u52a8\u91ca\u653e<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u5168\u5c40\u53d8\u91cf\\\u5c40\u90e8\u53d8\u91cf\\\u9759\u6001\u5c40\u90e8\u53d8\u91cf<\/h3>\n\n\n\n<p><strong>\u5168\u5c40\u53d8\u91cf\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f5c\u2f64\u57df\uff1a\u6574\u4e2a\u7a0b\u5e8f<\/li>\n\n\n\n<li>\u2f63\u547d\u5468\u671f\uff1a\u4e0e\u7a0b\u5e8f\u7684\u2f63\u547d\u5468\u671f\u76f8\u540c<\/li>\n\n\n\n<li>\u4f7f\u7528\u573a\u666f\uff1a\u5f53\u591a\u4e2a\u51fd\u6570\u9700\u8981\u5171\u4eab\u76f8\u540c\u7684\u6570\u636e\u65f6\uff0c\u53ef\u4ee5\u4f7f\u2f64\u5168\u5c40\u53d8\u91cf<\/li>\n<\/ul>\n\n\n\n<p><strong>\u5c40\u90e8\u53d8\u91cf\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f5c\u2f64\u57df\uff1a\u9650\u5b9a\u5728\u5b9a\u4e49\u5b83\u7684\u5757\uff08\u2f24\u62ec\u53f7\u5185\uff09<\/li>\n\n\n\n<li>\u2f63\u547d\u5468\u671f\uff1a\u5728\u5757\u7ed3\u675f\u65f6\u9500\u6bc1<\/li>\n\n\n\n<li>\u4f7f\u7528\u573a\u666f\uff1a\u5f53\u53d8\u91cf\u53ea\u5728\u67d0\u4e2a\u7279\u5b9a\u4f5c\u2f64\u57df\u5185\u6709\u6548\uff0c\u5e76\u4e14\u4e0d\u9700\u8981\u5176\u4ed6\u4f5c\u2f64\u57df\u8bbf\u95ee\u65f6\uff0c\u53ef\u4ee5\u4f7f\u2f64\u5c40\u90e8\u53d8\u91cf<\/li>\n<\/ul>\n\n\n\n<p><strong>\u9759\u6001\u5c40\u90e8\u53d8\u91cf\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f5c\u2f64\u57df\uff1a\u9650\u5b9a\u5728\u5b9a\u4e49\u5b83\u7684\u51fd\u6570\u5185<\/li>\n\n\n\n<li>\u2f63\u547d\u5468\u671f\uff1a\u4e0e\u7a0b\u5e8f\u7684\u2f63\u547d\u5468\u671f\u76f8\u540c\uff0c\u4f46\u53ea\u80fd\u5728\u5b9a\u4e49\u5b83\u7684\u51fd\u6570\u5185\u90e8\u8bbf\u95ee<\/li>\n\n\n\n<li>\u5173\u952e\u5b57\uff1a\u4f7f\u2f64<code>static<\/code>\u5173\u952e\u5b57\u4fee\u9970<\/li>\n\n\n\n<li>\u521d\u59cb\u5316\uff1a<strong>\u4ec5\u5728\u7b2c\u2f00\u6b21\u8c03\u2f64\u51fd\u6570\u65f6\u521d\u59cb\u5316\uff0c\u4e4b\u540e\u4fdd\u6301\u5176\u503c<\/strong><\/li>\n\n\n\n<li>\u4f7f\u7528\u573a\u666f\uff1a\u5f53\u5e0c\u671b\u5728\u51fd\u6570\u8c03\u2f64\u4e4b\u95f4\u4fdd\u7559\u53d8\u91cf\u7684\u503c\uff08\u5373\u201c<strong>\u9759\u6001<\/strong>\u201d\uff09\uff0c\u5e76\u4e14\u4e0d\u5e0c\u671b\u5176\u4ed6\u51fd\u6570\u8bbf\u95ee\u8fd9\u4e2a\u53d8\u91cf\u65f6\uff08\u5373\u201c<strong>\u5c40\u90e8<\/strong>\u201d\uff09\uff0c\u53ef\u4ee5\u4f7f\u2f64\u9759\u6001\u5c40\u90e8\u53d8\u91cf<\/li>\n<\/ul>\n\n\n\n<p><strong>\u5c40\u90e8\u53d8\u91cf\u4e0e\u9759\u6001\u5c40\u90e8\u53d8\u91cf\u7684\u533a\u522b\uff1a<\/strong><\/p>\n\n\n\n<p>\u5c40\u90e8\u53d8\u91cf\u5728\u6bcf\u6b21\u51fd\u6570\u8c03\u7528\u65f6\u90fd\u4f1a\u91cd\u65b0\u521b\u5efa\uff0c\u5e76\u4e14\u521d\u59cb\u5316\u4e3a\u6307\u5b9a\u7684\u521d\u503c\u3002\u4f46\u662f\uff0c\u9759\u6001\u5c40\u90e8\u53d8\u91cf\u53ea\u4f1a\u5728\u7b2c\u4e00\u6b21\u8c03\u7528\u51fd\u6570\u65f6\u521d\u59cb\u5316\u4e00\u6b21\uff0c\u4e4b\u540e\u5b83\u7684\u503c\u4f1a\u4fdd\u7559\u4e0b\u6765\uff0c\u76f4\u5230\u7a0b\u5e8f\u7ed3\u675f\u3002<\/p>\n\n\n\n<p><em>\u9759\u6001\u5c40\u90e8\u53d8\u91cf\uff1a<\/em> \u53ea\u521d\u59cb\u5316\u4e00\u6b21\uff0c\u4e4b\u540e\u4fdd\u6301\u5176\u503c\uff0c\u56e0\u6b64\u8f93\u51fa\u4e3a 1 2<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;iostream>\nusing namespace std;\n\nvoid test01() {\n    static int count = 0;  \/\/ \u9759\u6001\u5c40\u90e8\u53d8\u91cf\n    count++;\n    cout &lt;&lt; \"Count: \" &lt;&lt; count &lt;&lt; endl;\n}\n\nint main() {\n    test01();\n    test01();\n\n    return 0;\n}<\/code><\/pre>\n\n\n\n<p><em>\u5c40\u90e8\u53d8\u91cf\uff1a<\/em> \u6bcf\u6b21\u8c03\u7528\u51fd\u6570\u90fd\u8981\u521d\u59cb\u5316\uff0c\u56e0\u6b64\u8f93\u51fa\u4e3a 1 1<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;iostream>\nusing namespace std;\n\nvoid test01() {\n    int count = 0;  \/\/ \u5c40\u90e8\u53d8\u91cf\n    count++;\n    cout &lt;&lt; count &lt;&lt; endl;\n}\n\nint main() {\n    test01();\n    test01();\n\n    return 0;\n}\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">&amp;\u7684\u7279\u6027<\/h3>\n\n\n\n<p>\u5728C++\u4e2d\uff0c\u53d6\u5730\u5740\u7b26&amp;\u548c\u5f15\u7528\u7b26&amp;\u770b\u4f3c\u76f8\u540c\uff0c\u4f46\u5b83\u4eec\u5728\u4e0d\u540c\u7684\u4e0a\u4e0b\u6587\u4e2d\u6709\u4e0d\u540c\u7684\u542b\u4e49<\/p>\n\n\n\n<p>1.\u53d6\u5730\u5740\u7b26\uff1a\u5f53\u4f60\u5728\u4e00\u4e2a\u53d8\u91cf\u524d\u9762\u4f7f\u7528&amp;\u65f6\uff0c\u5b83\u8868\u793a\u83b7\u53d6\u8be5\u53d8\u91cf\u7684\u5185\u5b58\u5730\u5740\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<p><code>int a = 10;<br>int* ptr = &amp;a; \/\/ ptr \u73b0\u5728\u6307\u5411 a \u7684\u5730\u5740<\/code><\/p>\n\n\n\n<p>2.\u5f15\u7528\u7b26\uff1a\u5f53\u4f60\u5728\u4e00\u4e2a\u53d8\u91cf\u524d\u9762\u4f7f\u7528&amp;\u65f6\uff0c\u5b83\u8868\u793a\u83b7\u53d6\u8be5\u53d8\u91cf\u7684\u5185\u5b58\u5730\u5740\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<p><code>int b = 20;<br>int &amp;ref = b; \/\/ ref \u662f b \u7684\u5f15\u7528\uff0c\u73b0\u5728 ref \u548c b \u6307\u5411\u540c\u4e00\u4e2a\u5185\u5b58<\/code><\/p>\n\n\n\n<p>\u6216\u8005\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>void increment2(int &amp;value) { \n    value += 1;\n}<\/code><\/pre>\n\n\n\n<p><strong>\u5f15\u7528<\/strong>\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u522b\u540d\uff0c\u5b83\u6307\u5411\u539f\u59cb\u5bf9\u8c61\u800c\u4e0d\u662f\u521b\u5efa\u8be5\u5bf9\u8c61\u7684\u526f\u672c<\/p>\n\n\n\n<p>\u5f53\u4f60\u5c06\u4e00\u4e2a\u5bf9\u8c61\u4f20\u9012\u7ed9\u51fd\u6570\u6216\u5728\u5faa\u73af\u4e2d\u4f7f\u7528\u65f6\uff0c\u5982\u679c\u4e0d\u4f7f\u7528\u5f15\u7528\uff0c\u901a\u5e38\u4f1a\u53d1\u751f\u590d\u5236\uff0c\u5373\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5b9e\u4f8b\u3002\u5bf9\u4e8e\u5927\u5bf9\u8c61\uff08\u5982\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\u3001\u7c7b\u5b9e\u4f8b\u7b49\uff09\uff0c\u8fd9\u79cd\u590d\u5236\u8fc7\u7a0b\u53ef\u80fd\u4f1a\u6d88\u8017\u8f83\u591a\u7684\u5185\u5b58\u548c\u5904\u7406\u65f6\u95f4 <\/p>\n\n\n\n<p>\u901a\u8fc7\u4f7f\u7528\u5f15\u7528\uff0c\u4f60\u4ec5\u4ec5\u662f\u5728\u64cd\u4f5c\u539f\u59cb\u5bf9\u8c61\uff0c\u800c\u4e0d\u662f\u5176\u526f\u672c\uff0c\u8fd9\u610f\u5473\u7740\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6ca1\u6709\u989d\u5916\u7684\u5185\u5b58\u5206\u914d\uff08\u9664\u4e86\u5f15\u7528\u672c\u8eab\u5360\u7528\u7684\u5c11\u91cf\u5185\u5b58\uff09 <\/li>\n\n\n\n<li>\u907f\u514d\u4e86\u590d\u5236\u6784\u9020\u51fd\u6570\u7684\u8c03\u7528\uff0c\u63d0\u9ad8\u4e86\u7a0b\u5e8f\u7684\u6027\u80fd <\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u51fd\u6570\u6307\u9488<\/h3>\n\n\n\n<p>\u51fd\u6570\u6307\u9488\u662f\u6307\u5411\u51fd\u6570\u7684\u6307\u9488\u53d8\u91cf\uff0c\u5b83\u53ef\u4ee5\u5b58\u50a8\u51fd\u6570\u7684\u5730\u5740\u5e76\u5141\u8bb8\u901a\u8fc7\u8be5\u6307\u9488\u8c03\u7528\u51fd\u6570<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u8fd4\u56de\u7c7b\u578b (*\u6307\u9488\u53d8\u91cf\u540d)(\u53c2\u6570\u7c7b\u578b1, \u53c2\u6570\u7c7b\u578b2, ...);<\/code><\/pre>\n\n\n\n<p>\u5047\u8bbe\u6709\u4e00\u4e2a\u7b80\u5355\u7684\u51fd\u6570\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>int add(int a, int b) {\n    return a + b;\n}<\/code><\/pre>\n\n\n\n<p>\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u6307\u5411 <code>add<\/code> \u51fd\u6570\u7684\u51fd\u6570\u6307\u9488\uff1a<code>int (*funcPtr)(int, int) = add;<\/code><\/p>\n\n\n\n<p>\u7136\u540e\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e2a\u6307\u9488\u8c03\u7528 <code>add<\/code> \u51fd\u6570\uff1a<code>int result = funcPtr(3, 4); <\/code><\/p>\n\n\n\n<p>ps\uff1a\u5728 C\/C++ \u4e2d\uff0c\u51fd\u6570\u540d\u672c\u8eab\u5c31\u4ee3\u8868\u4e86\u5176\u5730\u5740\uff0c\u56e0\u6b64\u4e0d\u9700\u8981\u4f7f\u7528\u53d6\u5730\u5740\u7b26 <code>&amp;<\/code><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u6307\u9488\u548c\u6210\u5458\u8bbf\u95ee<\/h3>\n\n\n\n<p>\u5728 C++ \u4e2d\uff0c\u6307\u9488\u6307\u5411\u67d0\u4e2a\u5bf9\u8c61\u65f6\uff0c\u6709\u4e24\u79cd\u65b9\u5f0f\u53ef\u4ee5\u8bbf\u95ee\u8be5\u5bf9\u8c61\u7684\u6210\u5458\uff1a<code>ListNode *cur = list;<\/code><\/p>\n\n\n\n<p><strong>1.\u4f7f\u7528\u89e3\u5f15\u7528\u548c\u70b9\u64cd\u4f5c\u7b26\uff1a<\/strong><\/p>\n\n\n\n<p><code>(*cur).val;<\/code><\/p>\n\n\n\n<p>\u8fd9\u884c\u4ee3\u7801\u9996\u5148\u89e3\u5f15\u7528\u6307\u9488<code>cur<\/code>\uff0c\u7136\u540e\u901a\u8fc7<code>.<\/code>\u64cd\u4f5c\u7b26\u8bbf\u95ee<code>val<\/code>\u6210\u5458\u3002\u867d\u7136\u8fd9\u5728\u8bed\u6cd5\u4e0a\u662f\u6b63\u786e\u7684\uff0c\u4f46\u76f8\u5bf9\u8f83\u5197\u957f<\/p>\n\n\n\n<p><strong>2.\u4f7f\u7528\u7bad\u5934\u64cd\u4f5c\u7b26\uff1a<\/strong><\/p>\n\n\n\n<p><code>cur-&gt;val;<\/code><\/p>\n\n\n\n<p>\u7bad\u5934\u64cd\u4f5c\u7b26 <code>-&gt;<\/code> \u662f\u4e13\u95e8\u4e3a\u6307\u5411\u5bf9\u8c61\u7684\u6307\u9488\u8bbe\u8ba1\u7684\uff0c\u5b83<strong>\u540c\u65f6\u5b8c\u6210\u89e3\u5f15\u7528\u548c\u6210\u5458\u8bbf\u95ee<\/strong>\u7684\u64cd\u4f5c<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u6df1\u62f7\u8d1d \/ \u6d45\u62f7\u8d1d<\/h3>\n\n\n\n<p>\u6df1\u62f7\u8d1d\u548c\u6d45\u62f7\u8d1d\u662f\u5bf9\u8c61\u590d\u5236\u7684\u4e24\u79cd\u4e0d\u540c\u65b9\u5f0f\uff0c\u5b83\u4eec\u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e\u5982\u4f55\u5904\u7406\u5bf9\u8c61\u5185\u90e8\u7684\u6307\u9488\u548c\u52a8\u6001\u5206\u914d\u7684\u5185\u5b58<\/p>\n\n\n\n<p><strong>1. \u6d45\u62f7\u8d1d\uff08Shallow Copy\uff09<\/strong><\/p>\n\n\n\n<p>\u6d45\u62f7\u8d1d\u4f1a\u590d\u5236\u5bf9\u8c61\u7684\u6240\u6709\u6210\u5458\uff0c\u5305\u62ec\u6307\u9488\u3002\u5bf9\u4e8e\u6307\u9488\u6210\u5458\uff0c\u6d45\u62f7\u8d1d\u4ec5\u590d\u5236\u6307\u9488\u7684\u503c\uff08\u5730\u5740\uff09\uff0c\u800c\u4e0d\u590d\u5236\u6307\u9488\u6307\u5411\u7684\u5bf9\u8c61<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u590d\u5236\u540e\uff0c\u6e90\u5bf9\u8c61\u548c\u76ee\u6807\u5bf9\u8c61<strong>\u6307\u5411\u540c\u4e00\u5757\u5185\u5b58\u533a\u57df<\/strong> <\/li>\n\n\n\n<li>\u5982\u679c\u5176\u4e2d\u4e00\u4e2a\u5bf9\u8c61\u88ab\u4fee\u6539\uff0c\u53e6\u4e00\u4e2a\u5bf9\u8c61\u4e5f\u4f1a\u53d7\u5230\u5f71\u54cd\uff0c\u56e0\u4e3a\u5b83\u4eec\u5171\u4eab\u540c\u4e00\u6570\u636e <\/li>\n\n\n\n<li>\u5f53\u4e24\u4e2a\u5bf9\u8c61\u88ab\u9500\u6bc1\u65f6\uff0c\u5b83\u4eec\u90fd\u4f1a\u5c1d\u8bd5\u91ca\u653e\u76f8\u540c\u7684\u5185\u5b58\u533a\u57df\uff0c\u53ef\u80fd\u5bfc\u81f4\u53cc\u91cd\u91ca\u653e\uff08double free\uff09\u7684\u95ee\u9898\uff0c\u8fdb\u800c\u5f15\u53d1\u7a0b\u5e8f\u5d29\u6e83\u6216\u672a\u5b9a\u4e49\u884c\u4e3a <\/li>\n<\/ul>\n\n\n\n<p><strong>2. \u6df1\u62f7\u8d1d\uff08Deep Copy\uff09<\/strong><\/p>\n\n\n\n<p>\u6df1\u62f7\u8d1d\u4f1a\u590d\u5236\u5bf9\u8c61\u7684\u6240\u6709\u6210\u5458\uff0c\u5305\u62ec\u6307\u9488\u6307\u5411\u7684\u5185\u5b58\u533a\u57df\u3002\u5bf9\u4e8e\u6307\u9488\u6210\u5458\uff0c\u6df1\u62f7\u8d1d\u4e0d\u4ec5\u590d\u5236\u6307\u9488\u7684\u503c\uff0c\u8fd8\u4f1a\u4e3a\u6307\u9488\u6307\u5411\u7684\u5bf9\u8c61\u5206\u914d\u65b0\u7684\u5185\u5b58\u7a7a\u95f4\uff0c\u5e76\u590d\u5236\u5176\u5185\u5bb9<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u590d\u5236\u540e\uff0c\u6e90\u5bf9\u8c61\u548c\u76ee\u6807\u5bf9\u8c61<strong>\u5404\u81ea\u62e5\u6709\u72ec\u7acb\u7684\u5185\u5b58\u533a\u57df <\/strong><\/li>\n\n\n\n<li>\u4fee\u6539\u4e00\u4e2a\u5bf9\u8c61\u4e0d\u4f1a\u5f71\u54cd\u53e6\u4e00\u4e2a\u5bf9\u8c61\uff0c\u56e0\u4e3a\u5b83\u4eec\u6709\u4e0d\u540c\u7684\u6570\u636e\u526f\u672c <\/li>\n\n\n\n<li>\u9700\u8981\u786e\u4fdd\u5728\u6790\u6784\u51fd\u6570\u4e2d\u6b63\u786e\u91ca\u653e\u6bcf\u4e2a\u5bf9\u8c61\u7684\u52a8\u6001\u5185\u5b58\uff0c\u4ee5\u907f\u514d\u5185\u5b58\u6cc4\u6f0f <\/li>\n\n\n\n<li>\u5728\u6df1\u62f7\u8d1d\u65f6\uff0c\u65b0\u7684\u5185\u5b58\u901a\u5e38\u662f\u901a\u8fc7 <code>new<\/code> \u64cd\u4f5c\u7b26\u5206\u914d\u5728\u5806\u4e0a\uff0c\u800c\u4e0d\u662f\u6808\u4e0a<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u4f18\u5148\u961f\u5217 \/ \u5806<\/h3>\n\n\n\n<p><strong>\u5806(Heap)\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5806\u662f\u4e00\u79cd<strong>\u7279\u5b9a<\/strong>\u7684\u6570\u636e\u7ed3\u6784\uff0c\u901a\u5e38\u7528\u4e8e\u5b9e\u73b0\u4f18\u5148\u961f\u5217<\/li>\n\n\n\n<li>\u5806\u53ef\u4ee5\u662f\u6700\u5927\u5806\u6216\u6700\u5c0f\u5806\uff0c\u6700\u5927\u5806\u4e2d\u7684\u6bcf\u4e2a\u8282\u70b9\u7684\u503c\u90fd\u5927\u4e8e\u6216\u7b49\u4e8e\u5176\u5b50\u8282\u70b9\u7684\u503c\uff0c\u800c\u6700\u5c0f\u5806\u5219\u76f8\u53cd<\/li>\n\n\n\n<li>\u5806\u7684\u6027\u8d28\u4f7f\u5f97\u63d2\u5165\u548c\u5220\u9664\u6700\u5927\uff08\u6216\u6700\u5c0f\uff09\u5143\u7d20\u7684\u64cd\u4f5c\u90fd\u80fd\u5728\u5bf9\u6570\u65f6\u95f4\u590d\u6742\u5ea6\u5185\u5b8c\u6210<\/li>\n<\/ul>\n\n\n\n<p><strong>\u4f18\u5148\u961f\u5217(Priority Queue)\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f18\u5148\u961f\u5217\u662f\u4e00\u79cd<strong>\u62bd\u8c61<\/strong>\u6570\u636e\u7c7b\u578b\uff0c\u652f\u6301\u6309\u4f18\u5148\u7ea7\u6392\u5e8f\u5143\u7d20\u7684\u64cd\u4f5c<\/li>\n\n\n\n<li>\u4e0e\u666e\u901a\u961f\u5217\u4e0d\u540c\uff0c\u5728\u4f18\u5148\u961f\u5217\u4e2d\uff0c\u5143\u7d20\u7684\u51fa\u961f\u987a\u5e8f\u662f\u57fa\u4e8e\u5b83\u4eec\u7684\u4f18\u5148\u7ea7\uff0c\u800c\u4e0d\u662f\u5b83\u4eec\u88ab\u63d2\u5165\u7684\u987a\u5e8f<\/li>\n\n\n\n<li>\u5e38\u89c1\u64cd\u4f5c\u5305\u62ec\u63d2\u5165\u5143\u7d20\uff08<code>push<\/code>\uff09\u3001\u83b7\u53d6\u5e76\u5220\u9664\u6700\u9ad8\u4f18\u5148\u7ea7\u5143\u7d20\uff08<code>pop<\/code>\uff09\u548c\u67e5\u770b\u6700\u9ad8\u4f18\u5148\u7ea7\u5143\u7d20\uff08<code>top<\/code>\uff09<\/li>\n\n\n\n<li>\u4f18\u5148\u961f\u5217\u901a\u5e38\u4f7f\u7528\u5806\u4f5c\u4e3a\u5176\u5185\u90e8\u6570\u636e\u7ed3\u6784\u6765\u9ad8\u6548\u5730\u652f\u6301\u4f18\u5148\u7ea7\u64cd\u4f5c<\/li>\n\n\n\n<li>\u5728 C++ STL \u4e2d\uff0c<code>std::priority_queue<\/code> \u5c31\u662f<strong>\u57fa\u4e8e\u5806<\/strong>\u7684\u5b9e\u73b0 <\/li>\n\n\n\n<li>\u4f18\u5148\u7ea7\u961f\u5217\u5176\u5b9e\u662f\u4e00\u4e2a\u5806\uff0c\u5806\u5c31\u662f\u4e00\u68f5\u5b8c\u5168\u4e8c\u53c9\u6811\uff0c\u540c\u65f6\u4fdd\u8bc1\u7236\u5b50\u8282\u70b9\u7684\u987a\u5e8f\u5173\u7cfb <\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9762\u5411\u5bf9\u8c61 \u5728C++\u4e2d\uff0c\u521b\u5efa\u5bf9\u8c61\u7684\u4e24\u79cd\u65b9\u5f0f\u6709\u672c\u8d28\u7684\u4e0d\u540c\uff0c\u5206\u522b\u4ee3\u8868\u4e86\u5728\u6808\u4e0a\u548c\u5728\u5806\u4e0a\u521b\u5efa\u5bf9\u8c61 1. SpeechMa [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-557","post","type-post","status-publish","format-standard","hentry","category-cpp"],"_links":{"self":[{"href":"https:\/\/guapicoding.com\/index.php?rest_route=\/wp\/v2\/posts\/557","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/guapicoding.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/guapicoding.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/guapicoding.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/guapicoding.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=557"}],"version-history":[{"count":24,"href":"https:\/\/guapicoding.com\/index.php?rest_route=\/wp\/v2\/posts\/557\/revisions"}],"predecessor-version":[{"id":2435,"href":"https:\/\/guapicoding.com\/index.php?rest_route=\/wp\/v2\/posts\/557\/revisions\/2435"}],"wp:attachment":[{"href":"https:\/\/guapicoding.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=557"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/guapicoding.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=557"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/guapicoding.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=557"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}