{"id":119078,"date":"2026-10-28T21:16:53","date_gmt":"2026-10-28T13:16:53","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/119078.html"},"modified":"2026-10-28T21:16:53","modified_gmt":"2026-10-28T13:16:53","slug":"c-vector-%e6%a0%b8%e5%bf%83%e7%94%a8%e6%b3%95%ef%bc%9ainsert-erase%e3%80%81reserve-resize%e3%80%81%e5%b5%8c%e5%a5%97%e7%b1%bb%e5%9e%8b%e4%b8%8e%e8%bf%ad%e4%bb%a3%e5%99%a8%e5%a4%b1%e6%95%88","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/119078.html","title":{"rendered":"C++ vector \u6838\u5fc3\u7528\u6cd5\uff1ainsert\/erase\u3001reserve\/resize\u3001\u5d4c\u5957\u7c7b\u578b\u4e0e\u8fed\u4ee3\u5668\u5931\u6548"},"content":{"rendered":"<h2>C&#043;&#043; vector \u6838\u5fc3\u7528\u6cd5&#xff1a;insert\/erase\u3001reserve\/resize\u3001\u5d4c\u5957\u7c7b\u578b\u4e0e\u8fed\u4ee3\u5668\u5931\u6548<\/h2>\n<h2>vector<\/h2>\n<p>\u5b83\u662f\u6211\u4eec\u5b66\u8fc7\u7684\u987a\u5e8f\u8868<\/p>\n<h3>1. insert \u548c erase \u7528\u8fed\u4ee3\u5668\u5b9a\u4f4d<\/h3>\n<p>vector\u4e2d\u7684insert\u5728\u4f7f\u7528\u65f6\u7684\u4f4d\u7f6e\u53c2\u6570\u4f7f\u7528\u7684\u662f\u8fed\u4ee3\u5668\u4e0d\u662f\u4e0b\u6807<\/p>\n<p>#include&lt;vector&gt;<br \/>\n#include&lt;iostream&gt;<br \/>\nusing namespace std;<br \/>\nvector&lt;int&gt; v1(10,1);<br \/>\n\/\/\u5934\u63d2&#034;0&#034;<br \/>\nv1.insert(v1.begin(), 0)<br \/>\n\/\/\u4e2d\u95f4\u4e0b\u6807\u4e3a5\u7684\u4f4d\u7f6e\u63d2\u5165&#034;0&#034;<br \/>\nv1.insert(v1.begin()&#043;5, 0);<br \/>\n\/\/\u5c3e\u63d2&#034;0&#034;<br \/>\nv1.insert(v1.end(), 0);<br \/>\n\/\/\u8d8a\u754c\u5747\u4f1a\u62a5\u9519<\/p>\n<p>erase\u4e5f\u662f\u540c\u7406&#xff0c;\u4f7f\u7528\u7684\u4e5f\u662f\u8fed\u4ee3\u5668<\/p>\n<p>begin\u6307\u5411\u7684\u662f\u4e0b\u6807\u4e3a0\u7684\u4f4d\u7f6e&#xff0c;\u800cend\u6307\u5411\u7684\u662f\u6700\u540e\u4e00\u4e2a\u4f4d\u7f6e\u7684\u4e0b\u4e00\u4e2a\u4f4d\u7f6e&#xff0c;\u5728\u4f7f\u7528\u200berase\u200b\u5220\u9664\u4e00\u6bb5\u533a\u95f4\u65f6&#xff0c;\u6bd4\u5982\u5220\u9664\u4e0b\u68070~4\u7684\u503c&#xff0c;\u90a3\u4e48\u5e94\u8be5\u5199\u4e3a\u200berase(v1.begin(), v1.begin()&#043;5)\u8981\u7262\u8bb0STL\u4e2d\u7684\u7c7b\u4f3c\u51fd\u6570\u4f5c\u7528\u533a\u95f4\u5747\u662f\u5de6\u95ed\u53f3\u5f00\u533a\u95f4\u3002<\/p>\n<h3>2. reserve \u4e0e resize<\/h3>\n<h4>reserve:<\/h4>\n<p>\u5728\u5bf9\u7c7b\u8fdb\u884c\u521d\u59cb\u5316\u65f6&#xff0c;\u4e0d\u80fd\u7528reserve&#xff0c;\u5b83\u53ea\u662f\u7528\u6765\u63d0\u6548\u7684&#xff0c;\u4f5c\u7528\u53ea\u662f\u63d0\u524d\u5f00\u597d\u4e00\u5757\u7a7a\u95f4\u9884\u7559&#xff0c;\u5e76\u6ca1\u6709\u5176\u4ed6\u4f5c\u7528&#xff0c;\u53ea\u662f\u9884\u7559\u4e00\u5757\u7a7a\u95f4\u5b9e\u9645\u4e0a\u8fd8\u5e76\u6ca1\u6709\u5143\u7d20&#xff0c;\u53ef\u80fd\u521b\u5efacapacity&#xff0c;\u4f46\u8fd8\u6ca1\u6709\u521b\u5efa\u5143\u7d20&#xff0c;\u8fd9\u65f6\u5019\u8bbf\u95ee \u200b\u200bv[0]\u200b \u200b \u4e5f\u662f\u672a\u5b9a\u4e49\u884c\u4e3a&#xff0c;\u5fc5\u987b\u901a\u8fc7\u200bpush_back\u6765\u6dfb\u52a0\u5143\u7d20\u56e0\u4e3a\u5143\u7d20\u6839\u672c\u8fd8\u6ca1\u6784\u9020\u51fa\u6765&#xff0c;\u4e3b\u8981\u7528\u4e8e\u63d0\u524d\u77e5\u9053\u5143\u7d20\u6570\u91cf\u65f6&#xff0c;\u51cf\u5c11\u6269\u5bb9\u548c\u5185\u5b58\u642c\u8fc1<\/p>\n<p>\u540c\u65f6&#xff0c;\u5728\u4f7f\u7528reserve\u65f6&#xff0c;capacity\u53ef\u80fd\u589e\u5927&#xff0c;\u5e76\u4fdd\u8bc1\u4e00\u5b9a\u589e\u5927&#xff0c;<\/p>\n<p>\u5f53\u524d capacity &lt; n  \u2192 \u5bb9\u91cf\u589e\u5927<br \/>\n\u5f53\u524d capacity &gt;&#061; n \u2192 \u5bb9\u91cf\u4e0d\u53d8<\/p>\n<p>\u53e6\u5916&#xff0c;\u65b0\u5bb9\u91cf\u53ef\u80fd\u5927\u4e8en&#xff0c;\u4f8b\u5982<br \/>\nv.reserve(10);<br \/>\n\u6700\u7ec8\u5bb9\u91cf\u53ef\u80fd\u662f10\u300116\u300120\u7b49&#xff0c;\u5177\u4f53\u6709\u6807\u51c6\u5e93\u51b3\u5b9a&#xff0c;\u53ea\u4fdd\u8bc1\u4e0d\u5c11\u4e8e10&#xff0c;resize\u4e5f\u662f\u8fd9\u6837\u7684<\/p>\n<h4>resize:<\/h4>\n<p>\u6539\u53d8\u5143\u7d20\u6570\u91cf&#xff0c;\u5fc5\u8981\u65f6\u521b\u5efa\u6216\u9500\u6bc1\u5143\u7d20<\/p>\n<p>\u200d<\/p>\n<p>\u5f53\u9700\u8981\u4f7f\u7528\u4e0b\u6807\u8bbf\u95ee\u5199\u5165\u5143\u7d20\u65f6&#xff0c;\u63a8\u8350\u4f7f\u7528resize&#xff0c;\u56e0\u4e3aresize\u540e\u5143\u7d20\u771f\u5b9e\u5b58\u5728<\/p>\n<h3>3. vector \u5957\u7c7b\u578b<\/h3>\n<p>vector\u8fd8\u53ef\u4ee5\u5957\u7c7b\u578b&#xff0c;\u6bd4\u5982&#xff1a;<\/p>\n<p>#include&lt;vector&gt;<br \/>\n#include&lt;iostream&gt;<br \/>\nvector&lt;string&gt; v;<\/p>\n<p>\u518d\u6765\u4ecb\u7ecd\u4e00\u79cd\u60c5\u51b5&#xff1a;<\/p>\n<p>void test_vector2()<br \/>\n{<br \/>\nvector&lt;string&gt; v2;<br \/>\nv2.push_back(&#034;\u5f20\u4e09&#034;);<br \/>\nv2.push_back(&#034;\u674e\u56db&#034;);<br \/>\nv2.push_back(&#034;abcdefghijk&#034;);<br \/>\n\/\/for (auto e : v2)<br \/>\n\/\/{<br \/>\n\/\/cout &lt;&lt; e &lt;&lt; &#034; &#034;;<br \/>\n\/\/}<br \/>\n\/\/cout &lt;&lt; endl;<br \/>\n\/\/\u56e0\u4e3a\u8fd9\u91cc\u7684\u7c7b\u578b\u662fstring&#xff0c;\u5728auto e\u65f6\u4f1a\u89e6\u53d1string\u7684\u62f7\u8d1d\u6784\u9020\u8fdb\u884c\u6df1\u62f7\u8d1d&#xff0c;\u5f00\u9500\u6bd4\u8f83\u5927&#xff0c;\u56e0\u6b64\u66f4\u597d\u7684\u5199\u6cd5\u662f\u4f7f\u7528\u5f15\u7528<br \/>\nfor (const auto&amp; e : v2)\/\/\u8fd9\u91cc\u53ea\u8bfb&#xff0c;\u52a0\u4e0aconst\u66f4\u4e3a\u6807\u51c6<br \/>\n{<br \/>\ncout &lt;&lt; e &lt;&lt; &#034; &#034;;<br \/>\n}<br \/>\ncout &lt;&lt; endl;<br \/>\n}<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261028131647-6ae1f5bfb6f5f.png\" alt=\"image\" \/><\/p>\n<p>\u8fd9\u91cc\u7684v2[2][0]&#xff0c;\u7b2c\u4e00\u4e2a\u200b[2]\u200b\u662fvector\u4e2d\u7684\u7b2c3\u4e2astring&#xff0c;\u7b2c\u4e8c\u4e2a\u200b[0]\u5219\u6307\u5411\u4e86\u7b2c\u4e09\u4e2astring\u4e2d\u4e32\u7684\u7b2c1\u4e2a\u5143\u7d20&#xff0c;\u5e76\u5c06\u90a3\u4e2a\u5143\u7d20\u4fee\u6539\u4e3ay&#xff0c;\u5373\u5c06a\u4fee\u6539\u4e3ay<\/p>\n<p>v2[2][0] &#061; &#039;y&#039;;<br \/>\n\/\/\u7b49\u4ef7\u4e8e<br \/>\nv2.operator[](2).operator[](0) &#061; &#039;y&#039;;<\/p>\n<p>\u200d<\/p>\n<p>\u8fd8\u53ef\u4ee5\u5199\u6210\u8fd9\u4e2a&#xff1a;<\/p>\n<p>#include&lt;vector&gt;<br \/>\nvector&lt;vector&lt;int&gt;&gt; v;<\/p>\n<p>\u7c7b\u4f3c\u5957\u5a03<\/p>\n<p>\u200d<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261028131648-6ae1f5c08b141.png\" alt=\"image\" \/><\/p>\n<h3>4. \u8fed\u4ee3\u5668\u5931\u6548<\/h3>\n<p>\u8fed\u4ee3\u5668\u7684\u4e3b\u8981\u4f5c\u7528\u5c31\u662f\u8ba9\u7b97\u6cd5\u4e0d\u7528\u5173\u5fc3\u5e95\u5c42\u6570\u636e\u7ed3\u6784&#xff0c;\u5176\u5b9e\u5e95\u5c42\u5b9e\u9645\u5c31\u662f\u4e00\u4e2a\u6307\u9488&#xff0c;\u6216\u662f\u5bf9\u6307\u9488\u8fdb\u884c\u4e86\u5c01\u88c5&#xff0c;\u6bd4\u5982\u200bvector\u200b\u7684\u539f\u751f\u6307\u9488\u5c31\u662f\u200bT*\u3002\u56e0\u6b64\u8fed\u4ee3\u5668\u5931\u6548\u5b9e\u9645\u4e0a\u5c31\u662f\u8fed\u4ee3\u5668\u5e95\u5c42\u6307\u9488\u6307\u5411\u7684\u7a7a\u95f4\u88ab\u9500\u6bc1\u4e86&#xff0c;\u4f46\u8fed\u4ee3\u5668\u8fd8\u5728\u4f7f\u7528\u88ab\u9500\u6bc1\u7684\u8fd9\u4e00\u5757\u7a7a\u95f4&#xff0c;\u9020\u6210\u7684\u540e\u679c\u5c31\u662f\u7a0b\u5e8f\u5d29\u6e83<\/p>\n<p>\u5bf9\u4f7f\u7528\u200bvector\u4f1a\u5bfc\u81f4\u5176\u8fed\u4ee3\u5668\u5931\u6548\u7684\u64cd\u4f5c\u6709&#xff1a;<\/p>\n<li>\n<p>\u5f15\u8d77\u5e95\u5c42\u7a7a\u95f4\u6539\u53d8\u7684\u64cd\u4f5c\u90fd\u6709\u53ef\u80fd\u4f7f\u8fed\u4ee3\u5668\u5931\u6548&#xff0c;\u5982&#xff1a;resize\u3001reserve\u3001insert\u3001assign\u3001push_back\u7b49&#xff0c;\u4e0b\u9762\u56fe\u7247\u4ee5insert\u4e3a\u4f8b&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261028131649-6ae1f5c16e3b9.png\" alt=\"image\" \/><\/p>\n<\/li>\n<p>\u81ea\u5df1\u5199\u7684erase\u5728\u8fed\u4ee3\u5668\u4f7f\u7528\u540e\u4e5f\u8ba4\u5b9a\u5931\u6548&#xff0c;\u53bb\u9664\u4e86\u5728\u4e0d\u540c\u5e73\u53f0\u8fd0\u884c\u7a0b\u5e8f\u5b58\u5728\u7684\u5dee\u5f02\u6027<\/p>\n<p>\u5728VS\u4e2d\u7ed9\u4e86\u4e2a\u5f3a\u5236\u68c0\u67e5&#xff0c;\u5f53\u6211\u4eec\u4f7f\u7528erase\u5220\u9664\u4e00\u4e2a\u5143\u7d20\u540e&#xff0c;\u540e\u9762\u7684\u503c\u8865\u4f4d\u4e0a\u6765&#xff0c;<\/p>\n<p>\u867d\u7136\u8fed\u4ee3\u5668\u7684\u4f4d\u7f6e\u6ca1\u53d8&#xff0c;\u4f46\u662f\u5b83\u6307\u5411\u7684 \u503c\u5df2\u7ecf\u88ab\u8865\u4f4d\u7684\u503c\u7ed9\u8865\u4f4d\u6389\u4e86&#xff0c;\u5728vs\u4e2d\u8bbe\u7f6e\u4e86\u5bf9\u8fed\u4ee3\u5668\u7684\u5f3a\u5236\u68c0\u67e5&#xff0c;\u6807\u51c6\u89c4\u5b9a\u8fd9\u6837\u7684\u8fed\u4ee3\u5668\u5df2\u7ecf\u5931\u6548&#xff0c;VS\u5bf9\u5931\u6548\u7684\u8fed\u4ee3\u5668\u8bbf\u95ee\u8fdb\u884c\u4e86\u4e25\u683c\u7684\u68c0\u67e5&#xff0c;\u800c\u5728g&#043;&#043;\u4e0b\u7a0b\u5e8f\u53ef\u4ee5\u8dd1\u4f46\u4e5f\u4f1a\u5b58\u5728\u95ee\u9898&#xff1a;<\/p>\n<p>\u5199\u4e00\u4e2a\u7b80\u5355\u7684\u7a0b\u5e8f&#xff1a;\u5220\u9664\u5076\u6570\u3002\u5bf9\u4e8e\u8fde\u7eed\u7684\u5076\u6570\u6216\u6700\u540e\u4e00\u4e2a\u6570\u662f\u5076\u6570\u5728g&#043;&#043;\u4e2d\u4f1a\u88ab\u541e<\/p>\n<p>for(auto it&#061;v.begin();it!&#061;v.end();&#043;&#043;it)<br \/>\n{<br \/>\nif(e%2&#061;&#061;0)<br \/>\nv.erase(e);\/\/erase\u540e\u5f53\u524d\u8fed\u4ee3\u5668\u5931\u6548&#xff0c;\u4ee5\u53cait\u4ee5\u540e\u7684\u8fed\u4ee3\u5668\u5747\u5931\u6548<br \/>\n}<\/p>\n<p>\/\/\u6b63\u786e\u5199\u6cd5<br \/>\nfor (auto it &#061; v.begin(); it !&#061; v.end(); )<br \/>\n{<br \/>\n    if (*it % 2 &#061;&#061; 0)<br \/>\n        it &#061; v.erase(it);   \/\/ erase \u8fd4\u56de\u4e0b\u4e00\u4e2a\u6709\u6548\u4f4d\u7f6e\u5e76\u63a5\u6536<br \/>\n    else<br \/>\n        &#043;&#043;it;<br \/>\n}<\/p>\n<p>\u200d<\/p>\n<h3>5. \u9ed8\u8ba4\u6784\u9020\u4e0e\u62a5\u9519<\/h3>\n<p>vector() &#061; default\u200b\u5f3a\u5236\u7f16\u8bd1\u5668\u751f\u6210\u9ed8\u8ba4\u6784\u9020&#xff08;\u5f53\u7f3a\u7701\u503c\u7ed9\u5230\u4f4d\u4e86\u5e76\u4e14\u6709\u62f7\u8d1d\u6784\u9020\u51fd\u6570\u65f6&#xff0c;\u6211\u4eec\u5199\u6784\u9020\u51fd\u6570\u53ea\u662f\u4e3a\u4e86\u8ba9\u7f16\u8bd1\u5668\u4e0d\u4f1a\u56e0\u4e3a\u62f7\u8d1d\u6784\u9020\u51fd\u6570\u5b58\u5728\u7f16\u8bd1\u5668\u4e0d\u81ea\u52a8\u751f\u6210\u9ed8\u8ba4\u6784\u9020\u51fd\u6570\u4e14\u6211\u4eec\u53c8\u56e0\u4e3a\u6ca1\u6709\u76f4\u63a5\u9700\u6c42\u800c\u4e0d\u5199\u62f7\u8d1d\u6784\u9020\u5bfc\u81f4\u6700\u540e\u6ca1\u6709\u6784\u9020\u51fd\u6570\u7684\u51fa\u73b0&#xff09;<\/p>\n<p>\u200d<\/p>\n<p>\u9519\u8bef\u8bf4\u660e&#xff1a;<\/p>\n<p>\u201c\u975e\u6cd5\u95f4\u63a5\u5bfb\u5740\u201d&#061;&#061;\u6307\u9488\u89e3\u5f15\u7528\u9519\u8bef<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261028131649-6ae1f5c1c8977.png\" alt=\"image\" \/><\/p>\n<hr \/>\n<p>\u5b8c<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C vector \u6838\u5fc3\u7528\u6cd5&#xff1a;insert\/erase\u3001reserve\/resize\u3001\u5d4c\u5957\u7c7b\u578b\u4e0e\u8fed\u4ee3\u5668\u5931\u6548<br \/>\nvector<br \/>\n\u5b83\u662f\u6211\u4eec\u5b66\u8fc7\u7684\u987a\u5e8f\u8868<br \/>\n1. insert \u548c erase \u7528\u8fed\u4ee3\u5668\u5b9a\u4f4d<br \/>\nvector\u4e2d\u7684insert\u5728\u4f7f\u7528\u65f6\u7684\u4f4d\u7f6e\u53c2\u6570\u4f7f\u7528\u7684\u662f\u8fed\u4ee3\u5668\u4e0d\u662f\u4e0b\u6807<br \/>\n#include<br \/>\n#include<br \/>\nusing namespace std;<br \/>\nvector v1(10,1);<br \/>\n\/\/\u5934\u63d2\\&#8221;0\\&#8221;<br \/>\nv1.insert(v1.be<\/p>\n","protected":false},"author":2,"featured_media":119074,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[13545,13543,13544,2762,3753],"topic":[],"class_list":["post-119078","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-13545","tag-13543","tag-13544","tag-vector","tag-3753"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C++ vector \u6838\u5fc3\u7528\u6cd5\uff1ainsert\/erase\u3001reserve\/resize\u3001\u5d4c\u5957\u7c7b\u578b\u4e0e\u8fed\u4ee3\u5668\u5931\u6548 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/119078.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C++ vector \u6838\u5fc3\u7528\u6cd5\uff1ainsert\/erase\u3001reserve\/resize\u3001\u5d4c\u5957\u7c7b\u578b\u4e0e\u8fed\u4ee3\u5668\u5931\u6548 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"C vector \u6838\u5fc3\u7528\u6cd5&#xff1a;insert\/erase\u3001reserve\/resize\u3001\u5d4c\u5957\u7c7b\u578b\u4e0e\u8fed\u4ee3\u5668\u5931\u6548 vector \u5b83\u662f\u6211\u4eec\u5b66\u8fc7\u7684\u987a\u5e8f\u8868 1. insert \u548c erase \u7528\u8fed\u4ee3\u5668\u5b9a\u4f4d vector\u4e2d\u7684insert\u5728\u4f7f\u7528\u65f6\u7684\u4f4d\u7f6e\u53c2\u6570\u4f7f\u7528\u7684\u662f\u8fed\u4ee3\u5668\u4e0d\u662f\u4e0b\u6807 #include #include using namespace std; vector v1(10,1); \/\/\u5934\u63d2&quot;0&quot; v1.insert(v1.be\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/119078.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-28T13:16:53+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261028131647-6ae1f5bfb6f5f.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/119078.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/119078.html\",\"name\":\"C++ vector \u6838\u5fc3\u7528\u6cd5\uff1ainsert\/erase\u3001reserve\/resize\u3001\u5d4c\u5957\u7c7b\u578b\u4e0e\u8fed\u4ee3\u5668\u5931\u6548 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-10-28T13:16:53+00:00\",\"dateModified\":\"2026-10-28T13:16:53+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/119078.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/119078.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/119078.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"C++ vector \u6838\u5fc3\u7528\u6cd5\uff1ainsert\/erase\u3001reserve\/resize\u3001\u5d4c\u5957\u7c7b\u578b\u4e0e\u8fed\u4ee3\u5668\u5931\u6548\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"C++ vector \u6838\u5fc3\u7528\u6cd5\uff1ainsert\/erase\u3001reserve\/resize\u3001\u5d4c\u5957\u7c7b\u578b\u4e0e\u8fed\u4ee3\u5668\u5931\u6548 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/119078.html","og_locale":"zh_CN","og_type":"article","og_title":"C++ vector \u6838\u5fc3\u7528\u6cd5\uff1ainsert\/erase\u3001reserve\/resize\u3001\u5d4c\u5957\u7c7b\u578b\u4e0e\u8fed\u4ee3\u5668\u5931\u6548 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"C vector \u6838\u5fc3\u7528\u6cd5&#xff1a;insert\/erase\u3001reserve\/resize\u3001\u5d4c\u5957\u7c7b\u578b\u4e0e\u8fed\u4ee3\u5668\u5931\u6548 vector \u5b83\u662f\u6211\u4eec\u5b66\u8fc7\u7684\u987a\u5e8f\u8868 1. insert \u548c erase \u7528\u8fed\u4ee3\u5668\u5b9a\u4f4d vector\u4e2d\u7684insert\u5728\u4f7f\u7528\u65f6\u7684\u4f4d\u7f6e\u53c2\u6570\u4f7f\u7528\u7684\u662f\u8fed\u4ee3\u5668\u4e0d\u662f\u4e0b\u6807 #include #include using namespace std; vector v1(10,1); \/\/\u5934\u63d2\"0\" v1.insert(v1.be","og_url":"https:\/\/www.wsisp.com\/helps\/119078.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-10-28T13:16:53+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261028131647-6ae1f5bfb6f5f.png"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"2 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/119078.html","url":"https:\/\/www.wsisp.com\/helps\/119078.html","name":"C++ vector \u6838\u5fc3\u7528\u6cd5\uff1ainsert\/erase\u3001reserve\/resize\u3001\u5d4c\u5957\u7c7b\u578b\u4e0e\u8fed\u4ee3\u5668\u5931\u6548 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-10-28T13:16:53+00:00","dateModified":"2026-10-28T13:16:53+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/119078.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/119078.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/119078.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"C++ vector \u6838\u5fc3\u7528\u6cd5\uff1ainsert\/erase\u3001reserve\/resize\u3001\u5d4c\u5957\u7c7b\u578b\u4e0e\u8fed\u4ee3\u5668\u5931\u6548"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/119078","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=119078"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/119078\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/119074"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=119078"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=119078"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=119078"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=119078"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}