{"id":529,"date":"2023-11-05T22:52:08","date_gmt":"2023-04-30T01:16:43","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/c%e4%b8%ad%e7%9a%84%e4%ba%8c%e7%bb%b4%e5%90%91%e9%87%8f-%e5%ae%9e%e7%94%a8%e6%8c%87%e5%8d%97\/"},"modified":"2025-08-02T16:07:48","modified_gmt":"2025-08-02T08:07:48","slug":"c%e4%b8%ad%e7%9a%84%e4%ba%8c%e7%bb%b4%e5%90%91%e9%87%8f-%e5%ae%9e%e7%94%a8%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/c%e4%b8%ad%e7%9a%84%e4%ba%8c%e7%bb%b4%e5%90%91%e9%87%8f-%e5%ae%9e%e7%94%a8%e6%8c%87%e5%8d%97\/","title":{"rendered":"C++\u4e8c\u7ef4\u5411\u91cf\u5b8c\u5168\u6307\u5357\uff1a\u4ece\u5165\u95e8\u5230\u7cbe\u901a\u7684\u5b9e\u7528\u6559\u7a0b"},"content":{"rendered":"<p>\u4e5f\u88ab\u79f0\u4e3a\u5411\u91cf\u7684\u5411\u91cf\uff0cC++\u4e2d\u7684\u4e8c\u7ef4\u5411\u91cf\u6784\u6210\u4e86\u521b\u5efa\u77e9\u9635\u3001\u8868\u683c\u6216\u4efb\u4f55\u5176\u4ed6\u7ed3\u6784\u7684\u57fa\u7840\uff0c\u5177\u6709\u52a8\u6001\u6027\u3002\u5728\u6d89\u53caC++\u4e2d\u7684\u4e8c\u7ef4\u5411\u91cf\u4e4b\u524d\uff0c\u5efa\u8bae\u5148\u5b66\u4e60\u4f7f\u7528\u5355\u7ef4\u5411\u91cf\u7684\u6559\u7a0b\u3002<\/p>\n<h2>\u5305\u542b\u5411\u91cf\u5934\u6587\u4ef6<\/h2>\n<p>\u5982\u679c\u4e0d\u662f\u5728\u7a0b\u5e8f\u5f00\u59cb\u65f6\u5305\u542b\u5934\u6587\u4ef6\uff0c\u6211\u4eec\u5728C++\u4e2d\u4f7f\u7528\u5411\u91cf\u5c06\u662f\u4e0d\u53ef\u80fd\u7684\u3002\u4e3a\u4e86\u4f7f\u75282D\u5411\u91cf\uff0c\u6211\u4eec\u9700\u8981\u5305\u542b\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;vector&gt;<\/span><\/span>\r\n<\/code><\/pre>\n<p>\u4e0d\u7528\u4e00\u4e2a\u4e00\u4e2a\u5730\u5305\u542b\u4f17\u591a\u79cd\u7c7b\u7684\u6807\u51c6\u6a21\u677f\u5e93\uff08STL\uff09\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u4e00\u6b21\u6027\u5305\u542b\u6240\u6709\u5b83\u4eec\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;bits\/stdc++.h&gt;<\/span><\/span>\r\n<\/code><\/pre>\n<hr \/>\n<h2>\u5728C++\u4e2d\u521d\u59cb\u53162D\u5411\u91cf<\/h2>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u5c06\u5b66\u4e60\u4e00\u4e9b\u521d\u59cb\u5316\u4e8c\u7ef4\u5411\u91cf\u7684\u65b9\u6cd5\u3002\u4e0b\u9762\u7684\u4ee3\u7801\u7247\u6bb5\u89e3\u91ca\u4e86\u5f53\u6240\u6709\u5143\u7d20\u5df2\u77e5\u65f6\u5982\u4f55\u521d\u59cb\u5316\u4e8c\u7ef4\u5411\u91cf\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;iostream&gt;<\/span><\/span>\r\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;vector&gt;<\/span><\/span>\r\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> std<span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\r\n\tvector<span class=\"token operator\">&lt;<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;&gt;<\/span> v <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> \r\n\t<span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i<span class=\"token operator\">=<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>i<span class=\"token operator\">&lt;<\/span>v<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> j<span class=\"token operator\">=<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>j<span class=\"token operator\">&lt;<\/span>v<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>j<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span>\r\n\t\t\tcout<span class=\"token operator\">&lt;&lt;<\/span>v<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">\" \"<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\tcout<span class=\"token operator\">&lt;&lt;<\/span>endl<span class=\"token punctuation\">;<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\t\t\t\t\t   \r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u8fd0\u884c\u4ee5\u4e0a\u4ee3\u7801\u4e4b\u540e\uff0c\u6211\u4eec\u5f97\u5230\u4e86\u4ee5\u4e0b\u7684\u8f93\u51fa\u7ed3\u679c\u3002<\/p>\n<pre class=\"post-pre\"><code>1 0 1 \r\n0 1 \r\n1 0 1 \r\n<\/code><\/pre>\n<p>\u4f7f\u7528 &#8216;vector&lt;vector&lt;&gt;&gt;&#8217; \u7684\u7b26\u53f7\u8868\u793a\u6211\u4eec\u6b63\u5728\u5904\u7406\u4e00\u4e2a\u5411\u91cf\u7684\u5411\u91cf\u3002\u7b2c\u4e00\u7ec4\u82b1\u62ec\u53f7\u5185\u7684\u6bcf\u4e2a\u503c\uff0c\u5982 &#8216;{1, 0, 1}&#8217; \u548c &#8216;{0, 1}&#8217;\uff0c\u90fd\u662f\u72ec\u7acb\u7684\u5411\u91cf\u3002<\/p>\n<blockquote><p>\u6ce8\u610f\uff1a\u8981\u5728 C++ \u4e2d\u521b\u5efa\u4e0d\u540c\u6570\u636e\u7c7b\u578b\u7684 2D \u5411\u91cf\uff0c\u6211\u4eec\u53ef\u4ee5\u50cf <code>vector&lt;vector&lt;float&gt;&gt;<\/code> \u8fd9\u6837\u5728\u6700\u5185\u90e8\u7684\u5c16\u62ec\u53f7\u4e2d\u653e\u7f6e\u6570\u636e\u7c7b\u578b\u3002<\/p><\/blockquote>\n<p>\u7531\u4e8e\u6211\u4eec\u6b63\u5728\u5904\u7406\u4e00\u4e2a\u4e8c\u7ef4\u6570\u636e\u7ed3\u6784\uff0c\u4e3a\u4e86\u9ad8\u6548\u904d\u5386\u6574\u4e2a\u6570\u636e\u7ed3\u6784\uff0c\u6211\u4eec\u9700\u8981\u4e24\u4e2a\u5faa\u73af\u3002\u5916\u5c42\u5faa\u73af\u6cbf\u7740\u884c\u79fb\u52a8\uff0c\u800c\u5185\u5c42\u5faa\u73af\u904d\u5386\u5217\u3002<\/p>\n<blockquote><p>\u6ce8\u610f\uff1a&#8217;size()&#8217;\u51fd\u6570\u63d0\u4f9b\u7684\u662f\u4e8c\u7ef4\u5411\u91cf\u4e2d\u5411\u91cf\u7684\u6570\u91cf\uff0c\u800c\u4e0d\u662f\u6bcf\u4e2a\u5355\u72ec\u5411\u91cf\u4e2d\u5143\u7d20\u7684\u603b\u6570\u91cf\u3002<\/p><\/blockquote>\n<h3>\u6307\u5b9a2D\u5411\u91cf\u521d\u59cb\u5316\u7684\u5927\u5c0f<\/h3>\n<h2>C++\u4e2d\u7684\u4e8c\u7ef4\u5411\u91cf-\u5b9e\u7528\u6307\u5357\uff08\u7b2c2\u90e8\u5206\uff0c\u51716\u90e8\u5206\uff09<\/h2>\n<p>\u4e8c\u7ef4\u5411\u91cf\u7684\u5927\u5c0f\u53ef\u4ee5\u5f88\u5927\u3002\u6211\u4eec\u4e0d\u80fd\u6307\u671b\u7a0b\u5e8f\u5458\u624b\u52a8\u8f93\u5165\u6bcf\u4e2a\u503c\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u884c\u6570\u548c\u5217\u6570\u6765\u521d\u59cb\u5316\u4e00\u4e2a\u4e8c\u7ef4\u5411\u91cf\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;iostream&gt;<\/span><\/span>\r\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;vector&gt;<\/span><\/span>\r\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> std<span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\r\n\t<span class=\"token comment\">\/\/\u5217\u6570<\/span>\r\n\t<span class=\"token keyword\">int<\/span> num_col <span class=\"token operator\">=<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n\t<span class=\"token comment\">\/\/ \u884c\u6570<\/span>\r\n\t<span class=\"token keyword\">int<\/span> num_row <span class=\"token operator\">=<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n\t<span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u5355\u884c\u5411\u91cf<\/span>\r\n\tvector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token function\">row<\/span><span class=\"token punctuation\">(<\/span>num_col<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n\t<span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u4e8c\u7ef4\u5411\u91cf<\/span>\r\n\tvector<span class=\"token operator\">&lt;<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token function\">v<\/span><span class=\"token punctuation\">(<\/span>num_row<span class=\"token punctuation\">,<\/span> row<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">;<\/span>\r\n\r\n\t<span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i<span class=\"token operator\">=<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>i<span class=\"token operator\">&lt;<\/span>v<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> j<span class=\"token operator\">=<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>j<span class=\"token operator\">&lt;<\/span>v<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>j<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span>\r\n\t\t\tcout<span class=\"token operator\">&lt;&lt;<\/span>v<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">\" \"<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\tcout<span class=\"token operator\">&lt;&lt;<\/span>endl<span class=\"token punctuation\">;<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\t\t\t\t\t   \r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\u5c06\u662f\uff1a<\/p>\n<pre class=\"post-pre\"><code>0 0 0 \r\n0 0 0 \r\n0 0 0 \r\n0 0 0 \r\n<\/code><\/pre>\n<p>\u6839\u636e\u5411\u91cf\u7684\u6807\u51c6\u521d\u59cb\u5316 <code>vector v(10, 0)<\/code>\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u8868\u793a\u5411\u91cf\u7684\u5927\u5c0f\uff0c\u800c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u8868\u793a\u6bcf\u4e2a\u5355\u5143\u683c\u6240\u6301\u6709\u7684\u9ed8\u8ba4\u503c\u3002<\/p>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u7801\u7247\u6bb5\u4e2d\uff0c\u6211\u4eec\u9075\u5faa\u4e24\u4e2a\u6807\u51c6\u521d\u59cb\u5316\u7684\u6b65\u9aa4\uff1a<\/p>\n<ul class=\"post-ul\">\n<li><code>vector row(num_col, 0)<\/code> &#8211; \u5728\u8fd9\u4e2a\u8bed\u53e5\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a&#8217;row&#8217;\u7684\u4e00\u7ef4\u5411\u91cf\uff0c\u5176\u957f\u5ea6\u7531&#8217;num_col&#8217;\u5b9a\u4e49\uff0c\u9ed8\u8ba4\u503c\u4e3a&#8217;0&#8217;\u3002\u5b83\u57fa\u672c\u4e0a\u6784\u6210\u4e86\u6211\u4eec\u4e8c\u7ef4\u5411\u91cf\u7684\u6bcf\u4e00\u884c\u3002<\/li>\n<li><code>vector&lt;vector&gt; v(num_row, row)<\/code> &#8211; \u5728\u8fd9\u4e2a\u8bed\u53e5\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u5c06\u4e8c\u7ef4\u5411\u91cf\u7684\u6bcf\u4e2a\u503c\u5b9a\u4e49\u4e3a\u4e0a\u4e00\u8bed\u53e5\u4e2d\u521b\u5efa\u7684&#8217;row&#8217;\uff0c\u4ece\u800c\u521b\u5efa\u4e86\u5b8c\u6574\u7684\u4e8c\u7ef4\u5411\u91cf\u3002<\/li>\n<\/ul>\n<p>\u5728\u7406\u89e3\u4e86\u4e0a\u8ff0\u8fc7\u7a0b\u4e4b\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u6765\u6539\u8fdb\u6211\u4eec\u5728C++\u4e2d\u5bf9\u4e8c\u7ef4\u5411\u91cf\u7684\u521d\u59cb\u5316\u65b9\u6cd5\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;iostream&gt;<\/span><\/span>\r\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;vector&gt;<\/span><\/span>\r\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> std<span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\r\n\t<span class=\"token comment\">\/\/\u5217\u6570<\/span>\r\n\t<span class=\"token keyword\">int<\/span> num_col <span class=\"token operator\">=<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n\t<span class=\"token comment\">\/\/ \u884c\u6570<\/span>\r\n\t<span class=\"token keyword\">int<\/span> num_row <span class=\"token operator\">=<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n\t<span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u4e8c\u7ef4\u5411\u91cf<\/span>\r\n\tvector<span class=\"token operator\">&lt;<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;&gt;<\/span> <span class=\"token function\">v<\/span><span class=\"token punctuation\">(<\/span>num_row<span class=\"token punctuation\">,<\/span> <span class=\"token generic-function\"><span class=\"token function\">vector<\/span><span class=\"token generic class-name\"><span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span><\/span><\/span> <span class=\"token punctuation\">(<\/span>num_col<span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">;<\/span>\r\n\r\n\t<span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i<span class=\"token operator\">=<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>i<span class=\"token operator\">&lt;<\/span>v<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> j<span class=\"token operator\">=<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>j<span class=\"token operator\">&lt;<\/span>v<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>j<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span>\r\n\t\t\tcout<span class=\"token operator\">&lt;&lt;<\/span>v<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">\" \"<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\tcout<span class=\"token operator\">&lt;&lt;<\/span>endl<span class=\"token punctuation\">;<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\t\t\t\t\t   \r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<p>\u7531\u4e8e\u6211\u4eec\u5728\u4ee3\u7801\u4e2d\u8fdb\u884c\u4e86\u5b8c\u5168\u76f8\u540c\u7684\u64cd\u4f5c\uff0c\u53ea\u662f\u7528\u4e00\u884c\u4ee3\u7801\u5b9e\u73b0\uff0c\u6240\u4ee5\u4ee5\u4e0a\u4ee3\u7801\u5c06\u4ea7\u751f\u4e0e\u4e4b\u524d\u7c7b\u4f3c\u7684\u8f93\u51fa\u7ed3\u679c\u3002<\/p>\n<p>\u5982\u679c\u6211\u4eec\u8fd8\u8bb0\u5f97\u7684\u8bdd\uff0c\u6807\u51c6\u7684\u521d\u59cb\u5316\u770b\u8d77\u6765\u6709\u70b9\u50cf\u4e0a\u9762\u7684\u90a3\u4e2a\u3002\u521b\u5efa\u4e00\u4e2a\u4e8c\u7ef4\u5411\u91cf\u9700\u8981\u6211\u4eec\u5c06\u6bcf\u4e2a\u5143\u7d20\u7684\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u4e3a\u4e00\u4e2a\u4e00\u7ef4\u5411\u91cf\u3002<\/p>\n<p>\u6700\u540e\u4e00\u79cd\u65b9\u6cd5\u662f\u5728\u4e0d\u77e5\u9053\u884c\u6216\u5217\u7684\u60c5\u51b5\u4e0b\u521b\u5efa\u4e00\u4e2a\u4e8c\u7ef4\u5411\u91cf\u3002\u8fd9\u4e2a\u65b9\u6cd5\u662f\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5b8c\u6210\u7684\uff1a<\/p>\n<pre class=\"post-pre\"><code>vector<span class=\"token operator\">&lt;<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;&gt;<\/span> v<span class=\"token punctuation\">;<\/span>\r\n<\/code><\/pre>\n<p>\u4e0a\u8ff0\u58f0\u660e\u521b\u5efa\u4e86\u4e00\u4e2a\u7a7a\u5bb9\u5668\uff0c\u8be5\u5bb9\u5668\u80fd\u591f\u4ee5\u5411\u91cf\u5f62\u5f0f\u5b58\u50a8\u5143\u7d20\u3002<\/p>\n<hr \/>\n<h2>\u4e8c\u7ef4\u5411\u91cf\u7684\u8fed\u4ee3\u5668<\/h2>\n<p>\u8fd9\u662f\u6587\u7ae0\u300aC++\u4e2d\u7684\u4e8c\u7ef4\u5411\u91cf-\u5b9e\u7528\u6307\u5357\u300b\u7684\u7b2c3\u90e8\u5206\uff08\u51716\u90e8\u5206\uff09\u3002<\/p>\n<p>\u9664\u4e86\u4f7f\u7528\u7d22\u5f15\u904d\u5386\u4e8c\u7ef4\u5411\u91cf\u5916\uff0cC++\u8fd8\u4e3a\u6bcf\u4e2a\u7279\u5b9a\u7684STL\u6570\u636e\u7ed3\u6784\u63d0\u4f9b\u4e86\u8fed\u4ee3\u5668\u7684\u9009\u9879\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;iostream&gt;<\/span><\/span>\r\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;vector&gt;<\/span><\/span>\r\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> std<span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\r\n\r\n\tvector<span class=\"token operator\">&lt;<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;&gt;<\/span> v <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span> \r\n\r\n\t<span class=\"token comment\">\/\/ Iterator for the 2-D vector<\/span>\r\n\tvector<span class=\"token operator\">&lt;<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;&gt;<\/span><span class=\"token double-colon punctuation\">::<\/span>iterator it1<span class=\"token punctuation\">;<\/span>\r\n\r\n\t<span class=\"token comment\">\/\/ Iterator for each vector inside the 2-D vector<\/span>\r\n\tvector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token double-colon punctuation\">::<\/span>iterator it2<span class=\"token punctuation\">;<\/span>\r\n\r\n\t<span class=\"token comment\">\/\/ Traversing a 2-D vector using iterators<\/span>\r\n\t<span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span>it1 <span class=\"token operator\">=<\/span> v<span class=\"token punctuation\">.<\/span><span class=\"token function\">begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>it1 <span class=\"token operator\">!=<\/span> v<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>it1<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span>it2 <span class=\"token operator\">=<\/span> it1<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>it2 <span class=\"token operator\">!=<\/span> it1<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>it2<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span>\r\n\t\t\tcout<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token operator\">*<\/span>it2<span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">\" \"<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\tcout<span class=\"token operator\">&lt;&lt;<\/span>endl<span class=\"token punctuation\">;<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\t\t\t\t\t   \r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code>1 0 1 \r\n0 1 \r\n1 0 1 \r\n<\/code><\/pre>\n<p>\u5f53\u6211\u4eec\u6267\u884c\u67d0\u4e9b\u9700\u8981\u5b9a\u4f4d\u53c2\u6570\u7684\u64cd\u4f5c\u65f6\uff0c\u8fed\u4ee3\u5668\u975e\u5e38\u65b9\u4fbf\u3002\u8fd4\u56de\u8fed\u4ee3\u5668\u503c\u6700\u5e38\u7528\u7684\u4e24\u4e2a\u51fd\u6570\u662f\uff1a<\/p>\n<ul class=\"post-ul\">\n<li>&#8216;v.begin()&#8217; &#8211; \u8fd4\u56de\u6307\u5411\u4e8c\u7ef4\u5411\u91cf\u4e2d\u7b2c\u4e00\u4e2a\u5411\u91cf\u7684\u8fed\u4ee3\u5668\u3002<\/li>\n<li>&#8216;v.end()&#8217; &#8211; \u8fd4\u56de\u6307\u5411\u4e8c\u7ef4\u5411\u91cf\u672b\u5c3e\u7684\u8fed\u4ee3\u5668\u3002<\/li>\n<\/ul>\n<p>\u8ba9\u6211\u4eec\u6765\u770b\u4e00\u4e9b\u53ef\u4ee5\u5728\u4e8c\u7ef4\u5411\u91cf\u4e0a\u8fdb\u884c\u7684\u64cd\u4f5c\u3002<\/p>\n<hr \/>\n<h2>\u5c06\u5143\u7d20\u6dfb\u52a0\u5230\u4e00\u4e2a\u4e8c\u7ef4\u5411\u91cf\u4e2d<\/h2>\n<p>\u8fd9\u662f\u6587\u7ae0\u300aC++\u4e2d\u7684\u4e8c\u7ef4\u5411\u91cf-\u5b9e\u7528\u6307\u5357\u300b\u7684\u7b2c4\u90e8\u5206\uff08\u51716\u90e8\u5206\uff09\u3002<\/p>\n<p>\u5728\u4e8c\u7ef4\u5411\u91cf\u7684\u672b\u5c3e\u6dfb\u52a0\u5143\u7d20\u65f6\uff0c\u6211\u4eec\u4f7f\u7528&#8217;push_back()&#8217;\u51fd\u6570\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;iostream&gt;<\/span><\/span>\r\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;vector&gt;<\/span><\/span>\r\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> std<span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\r\n\r\n\t<span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u4e8c\u7ef4\u5411\u91cf<\/span>\r\n\tvector<span class=\"token operator\">&lt;<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;&gt;<\/span> v<span class=\"token punctuation\">;<\/span>\r\n\r\n\tv<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\tv<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\tv<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n\t<span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i<span class=\"token operator\">=<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>i<span class=\"token operator\">&lt;<\/span>v<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> j<span class=\"token operator\">=<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>j<span class=\"token operator\">&lt;<\/span>v<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>j<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span>\r\n\t\t\tcout<span class=\"token operator\">&lt;&lt;<\/span>v<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">\" \"<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\tcout<span class=\"token operator\">&lt;&lt;<\/span>endl<span class=\"token punctuation\">;<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\t\t\t\t\t   \r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code>1 0 1 \r\n0 1 \r\n1 0 1 \r\n<\/code><\/pre>\n<p>\u7531\u4e8e\u6211\u4eec\u7684\u5bb9\u5668\u662f\u4e00\u4e2a\u5411\u91cf\u7684\u5411\u91cf\uff0c\u56e0\u6b64\u53ea\u6709\u5c06\u5b8c\u6574\u7684\u5411\u91cf\u63a8\u5165\u5176\u4e2d\u624d\u6709\u610f\u4e49\u3002\u56e0\u6b64\uff0c\u5728&#8217;push_back\uff08\uff09&#8217;\u51fd\u6570\u4e2d\u4f20\u9012\u7684\u53c2\u6570\u5fc5\u987b\u662f\u4e00\u4e2a\u5411\u91cf\u3002<\/p>\n<blockquote><p>\u6ce8\u610f\uff1a&#8217;v[i]&#8217;\u4ee3\u8868\u4e00\u4e2a\u4e00\u7ef4\u5411\u91cf\u3002\u56e0\u6b64\uff0c\u5982\u679c\u7a0b\u5e8f\u5458\u9700\u8981\u5728\u4e8c\u7ef4\u5411\u91cf\u5185\u7684\u67d0\u4e2a\u5411\u91cf\u4e2d\u6dfb\u52a0\u5143\u7d20\uff0c\u4ed6\u53ef\u4ee5\u4f7f\u7528&#8217;v[i].push_back(value)&#8217;\u3002<\/p><\/blockquote>\n<p>\u4e3a\u4e86\u5728\u7279\u5b9a\u4f4d\u7f6e\u6dfb\u52a0\u5b8c\u6574\u7684\u5411\u91cf\uff0c\u6211\u4eec\u4f7f\u7528&#8221;insert\uff08\uff09&#8221;\u51fd\u6570\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;iostream&gt;<\/span><\/span>\r\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;vector&gt;<\/span><\/span>\r\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> std<span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\r\n\r\n\t<span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u4e8c\u7ef4\u5411\u91cf<\/span>\r\n\tvector<span class=\"token operator\">&lt;<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;&gt;<\/span> v<span class=\"token punctuation\">;<\/span>\r\n\r\n\tv<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\tv<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\tv<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n\t<span class=\"token comment\">\/\/ \u4e8c\u7ef4\u5411\u91cf\u7684\u8fed\u4ee3\u5668<\/span>\r\n\tvector<span class=\"token operator\">&lt;<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;&gt;<\/span><span class=\"token double-colon punctuation\">::<\/span>iterator it <span class=\"token operator\">=<\/span> v<span class=\"token punctuation\">.<\/span><span class=\"token function\">begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n\t<span class=\"token comment\">\/\/ \u5728\u7b2c\u4e8c\u4e2a\u4f4d\u7f6e\u63d2\u5165\u5411\u91cf = {1, 2, 3}<\/span>\r\n\tv<span class=\"token punctuation\">.<\/span><span class=\"token function\">insert<\/span><span class=\"token punctuation\">(<\/span>it <span class=\"token operator\">+<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\t\t\t  \r\n\t<span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i<span class=\"token operator\">=<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>i<span class=\"token operator\">&lt;<\/span>v<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> j<span class=\"token operator\">=<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>j<span class=\"token operator\">&lt;<\/span>v<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>j<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span>\r\n\t\t\tcout<span class=\"token operator\">&lt;&lt;<\/span>v<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">\" \"<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\tcout<span class=\"token operator\">&lt;&lt;<\/span>endl<span class=\"token punctuation\">;<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\t\t\t\t   \r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code>1 0 1 \r\n1 2 3 \r\n0 1 \r\n1 0 1 \r\n<\/code><\/pre>\n<p>&#8216;insert()&#8217;\u51fd\u6570\u9700\u8981\u4e00\u4e2a\u8fed\u4ee3\u5668\u4f5c\u4e3a\u4f4d\u7f6e\u53c2\u6570\uff0c\u800c\u4e0d\u662f\u4e00\u4e2a\u6574\u6570\u7d22\u5f15\u3002\u7d27\u63a5\u7740\u662f\u8981\u5728\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u7684\u5411\u91cf\u3002<\/p>\n<hr \/>\n<h2>\u4eceC++\u7684\u4e8c\u7ef4\u5411\u91cf\u4e2d\u5220\u9664\u5143\u7d20<\/h2>\n<p>\u4e0e&#8217;push_back()&#8217;\u76f8\u53cd\uff0cC++\u63d0\u4f9b\u4e86&#8217;pop_back()&#8217;\u51fd\u6570\uff0c\u5176\u804c\u8d23\u662f\u4ece\u7ed9\u5b9a\u5411\u91cf\u4e2d\u5220\u9664\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u3002<\/p>\n<p>\u5728\u672c\u6587\u7684\u80cc\u666f\u4e0b\uff0c&#8217;pop_back()&#8217;\u51fd\u6570\u5c06\u8d1f\u8d23\u4ece\u4e8c\u7ef4\u5411\u91cf\u4e2d\u5220\u9664\u6700\u540e\u4e00\u4e2a\u5411\u91cf\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;iostream&gt;<\/span><\/span>\r\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;vector&gt;<\/span><\/span>\r\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> std<span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\r\n\r\n\t<span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u4e8c\u7ef4\u5411\u91cf<\/span>\r\n\tvector<span class=\"token operator\">&lt;<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;&gt;<\/span> v <span class=\"token punctuation\">;<\/span>\r\n\r\n\t<span class=\"token comment\">\/\/ \u5411\u7a7a\u7684\u4e8c\u7ef4\u5411\u91cf\u6dfb\u52a0\u5411\u91cf<\/span>\r\n\tv<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\tv<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\tv<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n\t<span class=\"token comment\">\/\/ \u4ece\u4e8c\u7ef4\u5411\u91cf\u4e2d\u5220\u9664\u6700\u540e\u4e00\u4e2a\u5411\u91cf<\/span>\r\n\tv<span class=\"token punctuation\">.<\/span><span class=\"token function\">pop_back<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\t\t\t  \r\n\t<span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i<span class=\"token operator\">=<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>i<span class=\"token operator\">&lt;<\/span>v<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> j<span class=\"token operator\">=<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>j<span class=\"token operator\">&lt;<\/span>v<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>j<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span>\r\n\t\t\tcout<span class=\"token operator\">&lt;&lt;<\/span>v<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">\" \"<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\tcout<span class=\"token operator\">&lt;&lt;<\/span>endl<span class=\"token punctuation\">;<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\t\t\t\t   \r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n<pre class=\"post-pre\"><code>1 0 1 \r\n0 1 \r\n<\/code><\/pre>\n<p>\u9664\u4e86&#8217;pop_back()&#8217;\u51fd\u6570\u4e4b\u5916\uff0cC++\u8fd8\u63d0\u4f9b\u4e86&#8217;erase()&#8217;\u51fd\u6570\uff0c\u53ef\u4ee5\u6309\u7167\u6307\u5b9a\u7684\u7d22\u5f15\u5220\u9664\u5143\u7d20\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;iostream&gt;<\/span><\/span>\r\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span><span class=\"token string\">&lt;vector&gt;<\/span><\/span>\r\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> std<span class=\"token punctuation\">;<\/span>\r\n\r\n<span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\r\n\r\n\t<span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u4e8c\u7ef4\u5411\u91cf<\/span>\r\n\tvector<span class=\"token operator\">&lt;<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;&gt;<\/span> v <span class=\"token punctuation\">;<\/span>\r\n\r\n\t<span class=\"token comment\">\/\/ \u5411\u7a7a\u7684\u4e8c\u7ef4\u5411\u91cf\u4e2d\u63a8\u5165\u5411\u91cf<\/span>\r\n\tv<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\tv<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\tv<span class=\"token punctuation\">.<\/span><span class=\"token function\">push_back<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n\t<span class=\"token comment\">\/\/ \u4e8c\u7ef4\u5411\u91cf\u7684\u8fed\u4ee3\u5668<\/span>\r\n\tvector<span class=\"token operator\">&lt;<\/span>vector<span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">int<\/span><span class=\"token operator\">&gt;&gt;<\/span><span class=\"token double-colon punctuation\">::<\/span>iterator it <span class=\"token operator\">=<\/span> v<span class=\"token punctuation\">.<\/span><span class=\"token function\">begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\r\n\t<span class=\"token comment\">\/\/ \u4ece\u4e8c\u7ef4\u5411\u91cf\u4e2d\u5220\u9664\u7b2c\u4e8c\u4e2a\u5411\u91cf<\/span>\r\n\tv<span class=\"token punctuation\">.<\/span><span class=\"token function\">erase<\/span><span class=\"token punctuation\">(<\/span>it <span class=\"token operator\">+<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\t\t\t  \r\n\t<span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i<span class=\"token operator\">=<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>i<span class=\"token operator\">&lt;<\/span>v<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\r\n\t\t<span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> j<span class=\"token operator\">=<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>j<span class=\"token operator\">&lt;<\/span>v<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>j<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span>\r\n\t\t\tcout<span class=\"token operator\">&lt;&lt;<\/span>v<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span><span class=\"token operator\">&lt;&lt;<\/span><span class=\"token string\">\" \"<\/span><span class=\"token punctuation\">;<\/span>\r\n\t\tcout<span class=\"token operator\">&lt;&lt;<\/span>endl<span class=\"token punctuation\">;<\/span>\r\n\t<span class=\"token punctuation\">}<\/span>\t\t\t\t   \r\n<span class=\"token punctuation\">}<\/span>\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n<pre class=\"post-pre\"><code>1 0 1 \r\n1 0 1 \r\n<\/code><\/pre>\n<p>\u4e0e&#8217;insert()&#8217;\u51fd\u6570\u7c7b\u4f3c\uff0c&#8217;erase()&#8217;\u51fd\u6570\u9700\u8981\u4e00\u4e2a\u53ef\u8fed\u4ee3\u7684\u4f4d\u7f6e\u53c2\u6570\u3002\u8981\u4ece\u4e8c\u7ef4\u5411\u91cf\u4e2d\u5220\u9664\u6240\u6709\u5411\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528&#8217;clear()&#8217;\u51fd\u6570\u3002<\/p>\n<p>\u5728\u4f7f\u7528C++\u4e2d\u7684\u4e8c\u7ef4\u5411\u91cf\u65f6\uff0c\u4ee5\u4e0a\u529f\u80fd\u8db3\u4ee5\u6ee1\u8db3\u57fa\u672c\u64cd\u4f5c\u9700\u6c42\u3002<\/p>\n<hr 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