{"id":758,"date":"2020-07-06T20:27:41","date_gmt":"2020-07-06T12:27:41","guid":{"rendered":"http:\/\/www.guanhaobo.cn\/?p=758"},"modified":"2020-07-06T20:27:41","modified_gmt":"2020-07-06T12:27:41","slug":"c%e4%b8%adcopy%e5%87%bd%e6%95%b0%e7%9a%84%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/www.guanhaobo.cn\/?p=758","title":{"rendered":"C++\u4e2dcopy\u51fd\u6570\u7684\u4f7f\u7528"},"content":{"rendered":"<pre><code class=\"language-cpp line-numbers\">#include &lt;bits\/stdc++.h&gt;\nusing namespace std;\nint main()\n{\n    vector&lt;int&gt; a = {1, 2, 3};\n    vector&lt;int&gt; b;\n    copy(a.begin(), a.end(), back_inserter(b));\n    copy(b.begin(), b.end(), ostream_iterator&lt;int&gt;(cout, \" \"));\n    cout &lt;&lt; endl;\n    copy(a.begin(), a.end(), back_inserter(b));\n    copy(b.begin(), b.end(), ostream_iterator&lt;int&gt;(cout, \" \"));\n    cout &lt;&lt; endl;\n    copy(a.begin(), a.end(), b.begin() + 1);\n    copy(b.begin(), b.end(), ostream_iterator&lt;int&gt;(cout, \" \"));\n    cout &lt;&lt; endl;\n    return 0;\n}\n<\/code><\/pre>\n<p>\u4f7f\u7528<code>back_inserter<\/code>\u53ef\u4ee5\u6269\u5145\u7a7a\u95f4\uff0c\u5728\u539f\u6570\u636e\u540e\u6dfb\u52a0\u6570\u636e\uff0c\u4e0d\u4f1a\u5f71\u54cd\u539f\u6570\u636e\u3002\u4e0d\u4f7f\u7528<code>back_inserter<\/code>\u5219\u662f\u66ff\u6362\u539f\u6570\u636e\uff0c\u9700\u8981\u4fdd\u8bc1\u5f53\u524d\u5bb9\u5668\u7a7a\u95f4\u8db3\u591f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>#include &lt;bits\/stdc++.h&gt; using namespace std; int [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[8,27],"class_list":["post-758","post","type-post","status-publish","format-standard","hentry","category-note","tag-cpp","tag-stl"],"_links":{"self":[{"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=\/wp\/v2\/posts\/758","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=758"}],"version-history":[{"count":0,"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=\/wp\/v2\/posts\/758\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=758"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=758"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=758"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}