{"id":152,"date":"2026-01-04T22:50:20","date_gmt":"2026-01-04T14:50:20","guid":{"rendered":"https:\/\/jiangqvweihuan.cn\/?p=152"},"modified":"2026-01-08T10:00:48","modified_gmt":"2026-01-08T02:00:48","slug":"vector%e5%ae%b9%e5%99%a8","status":"publish","type":"post","link":"https:\/\/jiangqvweihuan.cn\/index.php\/2026\/01\/04\/vector%e5%ae%b9%e5%99%a8\/","title":{"rendered":"\u6784\u7b97\u6cd5\u5ea6\u00b7vector\u5bb9\u5668"},"content":{"rendered":"\n

\u4e00\u3001vector\u5bb9\u5668\u4ea7\u751f\u7684\u80cc\u666f<\/h2>\n\n\n\n

\u5728STL\u5c1a\u672a\u8bde\u751f\u7684\u5e74\u4ee3\uff0c\u5982\u679c\u60f3\u5728\u7a0b\u5e8f\u4e2d\u4fdd\u5b58\u548c\u7ba1\u7406\u5927\u91cf\u540c\u7c7b\u578b\u7684\u6570\u636e\uff0c\u53ea\u80fd\u91c7\u7528\u6570\u7ec4\u8fd9\u79cd\u65b9\u5f0f\u3002<\/p>\n\n\n\n

\/\/ \u5b9a\u4e49\u6570\u7ec4\u7684\u5bb9\u91cf\nconst int MAX_COUNT = 100000;\n\/\/ \u5b9a\u4e49\u4fdd\u5b58 Employee \u5bf9\u8c61\u7684\u6570\u7ec4\nEmployee arrEmp[MAX_COUNT];<\/code><\/pre>\n\n\n\n
\u8fd9\u79cd\u65b9\u5f0f\u867d\u7136\u53ef\u4ee5\u89e3\u51b3\u95ee\u9898\uff0c\u4f46\u663e\u5f97\u975e\u5e38\u201c\u7c97\u9c81\u201d\uff1a<\/p>\n\n\n\n
    \n
  • \u5982\u679c\u5b9a\u4e49\u7684\u6700\u5927\u5bb9\u91cf\u5927\u4e8e\u5b9e\u9645\u7684\u9700\u8981\uff0c\u5c31\u4f1a\u9020\u6210\u5185\u5b58\u7a7a\u95f4\u7684\u6d6a\u8d39\uff1b<\/li>\n\n\n\n
  • \u5982\u679c\u5b9a\u4e49\u7684\u6700\u5927\u5bb9\u91cf\u5c0f\u4e8e\u5b9e\u9645\u9700\u8981\uff0c\u53c8\u65e0\u6cd5\u6ee1\u8db3\u7a0b\u5e8f\u7684\u9700\u8981\uff0c\u4e14\u4e0d\u5229\u4e8e\u7a0b\u5e8f\u7684\u6269\u5c55\u3002<\/li>\n<\/ul>\n\n\n\n
    \u540c\u65f6\uff0c\u5bf9\u6570\u7ec4\u5143\u7d20\u7684\u8bbf\u95ee\u4e5f\u201c\u7b80\u5355\u7c97\u66b4\u201d\uff1a<\/p>\n\n\n\n
      \n
    • \u6570\u7ec4\u65e0\u6cd5\u5bf9\u7d22\u5f15\u503c\u8fdb\u884c\u68c0\u67e5\uff0c\u5f88\u5bb9\u6613\u9020\u6210\u6570\u7ec4\u7684\u8bbf\u95ee\u8d8a\u754c\u7b49\u4e25\u91cd\u7684\u9519\u8bef\uff1b<\/li>\n\n\n\n
    • \u6570\u7ec4\u65e0\u6cd5\u52a8\u6001\u5730\u63d2\u5165\u6216\u8005\u5220\u9664\u5176\u4e2d\u7684\u6570\u636e\uff1b<\/li>\n\n\n\n
    • \u65e0\u6cd5\u901a\u8fc7\u4f20\u503c\u7684\u65b9\u5f0f\u5728\u51fd\u6570\u4e4b\u95f4\u4f20\u9012\u6570\u7ec4\u7b49\u3002<\/li>\n<\/ul>\n\n\n\n
      \u968f\u7740 STL \u7684\u51fa\u73b0\uff0c\u5176\u4e2d\u7684 vector \u5bb9\u5668\u63d0\u4f9b\u4e86\u66f4\u4e3a\u4f18\u96c5\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u5b83\u65e0\u8bba\u662f\u5728\u5185\u5b58\u7ba1\u7406\u4e0a\u8fd8\u662f\u5728\u5bf9\u6570\u636e\u5143\u7d20\u7684\u8bbf\u95ee\u4e0a\uff0c\u90fd\u8981\u4f18\u4e8e\u6570\u7ec4\uff1a<\/p>\n\n\n\n
        \n
      • vector \u5bb9\u5668\u52a8\u6001\u589e\u51cf\u7684\u5bb9\u91cf\u5927\u5c0f\u66ff\u4ee3\u4e86\u6570\u7ec4\u7684\u56fa\u5b9a\u5bb9\u91cf\uff0c\u53ef\u4ee5\u9002\u5e94\u5404\u79cd\u4e0d\u540c\u7684\u9700\u8981\uff0cvector\u5728\u5185\u5b58\u4e2d\u8fde\u7eed\u6392\u5217\uff0c\u56e0\u6b64\u53ef\u4ee5\u901a\u8fc7\u4e0b\u6807\u5feb\u901f\u8bbf\u95ee\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(1)\u3002\u7136\u800c\uff0c\u8fde\u7eed\u6392\u5217\u4e5f\u610f\u5473\u7740\u5927\u5c0f\u56fa\u5b9a\uff0c\u6570\u636e\u8d85\u8fc7vector\u7684\u9884\u5b9a\u503c\u65f6vector\u5c06\u81ea\u52a8\u6269\u5bb9\u3002<\/li>\n\n\n\n
      • vector \u5bb9\u5668\u63d0\u4f9b\u7684\u8fed\u4ee3\u5668\u548c\u64cd\u4f5c\u51fd\u6570\u4f7f\u5f97\u8bbf\u95ee\u64cd\u4f5c\u6570\u636e\u5143\u7d20\u7684\u65b9\u5f0f\u66f4\u52a0\u5b89\u5168\u548c\u4e30\u5bcc\uff0c\u8fd9\u79cd\u65b9\u5f0f\u66ff\u4ee3\u4e86\u6570\u7ec4\u901a\u8fc7\u201c[]\u201d\u8fd0\u7b97\u7b26\u76f4\u63a5\u5b58\u53d6\u6570\u636e\u5143\u7d20\u7684\u65b9\u5f0f\u3002<\/li>\n<\/ul>\n\n\n\n
        \u56e0\u6b64\uff0cvector \u5bb9\u5668\u6210\u4e3a\u4e86\u6570\u7ec4\u7684\u6700\u4f73\u66ff\u4ee3\u8005\uff0c\u662f\u6211\u4eec\u6700\u4e3a\u5e38\u7528\u7684 STL \u5bb9\u5668\u3002Vector \u5bb9\u5668\u7684\u4f7f\u7528\u65b9\u6cd5\u5177\u6709\u4e00\u5b9a\u7684\u5178\u578b\u6027\uff0c\u5b66\u4f1a\u4e86\u4f7f\u7528 vector \u5bb9\u5668\uff0c\u4f9d\u846b\u82a6\u753b\u74e2\uff0c\u57fa\u672c\u4e0a\u4e5f\u5c31\u5b66\u4f1a\u4e86\u4f7f\u7528 STL \u4e2d\u5176\u4ed6\u5bb9\u5668\u7684\u4f7f\u7528\u65b9\u6cd5\u3002\u6545\u800c\u672c\u7cfb\u5217\u6559\u7a0b\u4ee5vector\u5bb9\u5668\u4f5c\u4e3a\u5b66\u4e60STL\u7684\u5f00\u7aef\u3002<\/p>\n\n\n\n
        \u4e8c\u3001vector\u5bb9\u5668\u7684\u4f7f\u7528\u65b9\u6cd5<\/h2>\n\n\n\n
        \u4f7f\u7528vector\u9700\u8981\u5176\u5bf9\u5e94\u7684\u5934\u6587\u4ef6\u3002<\/p>\n\n\n\n
        #include <vector><\/code><\/pre>\n\n\n\n
        vector\u672c\u8d28\u662f\u7c7b\u6a21\u677f\uff0c\u53ef\u4ee5\u5b58\u50a8\u4efb\u4f55\u7c7b\u578b\u7684\u6570\u636e\u3002\u6570\u7ec4\u5728\u58f0\u660e\u524d\u9700\u8981\u52a0\u4e0a\u6570\u636e\u7c7b\u578b\uff0c\u800cvector\u5219\u901a\u8fc7\u6a21\u677f\u53c2\u91cf\u8bbe\u5b9a\u7c7b\u578b\u3002<\/p>\n\n\n\n
        \u6bd4\u5982\uff0c\u58f0\u660e\u4e00\u4e2aint\u578b\u7684vector\u6570\u7ec4\u3002<\/p>\n\n\n\n
        vector<int> arr1;\t\t\t\t\t\/\/\u4e00\u4e2a\u7a7a\u6570\u7ec4\nvector<int> arr2 {1, 2, 3, 4, 5};\t\t\t\/\/\u5305\u542b1\u30012\u30013\u30014\u30015\u4e94\u4e2a\u53d8\u91cf\nvector<int> arr3(4);\t\t\t\t\t\/\/\u5f00\u8f9f4\u4e2a\u7a7a\u95f4\uff0c\u503c\u9ed8\u8ba4\u4e3a0\nvector<int> arr4(5, 3);\t\t\t\t\t\/\/5\u4e2a\u503c\u4e3a3\u7684\u6570\u7ec4\nvector<int> arr5(arr4);\t\t\t\t\t\/\/\u5c06arr4\u7684\u6240\u6709\u503c\u590d\u5236\u8fdb\u53bb\uff0c\u548carr4\u4e00\u6837\nvector<int> arr6(arr4.begin(), arr4.end());\t\t\/\/\u5c06arr4\u7684\u503c\u4ece\u5934\u5f00\u59cb\u5230\u5c3e\u590d\u5236\nvector<int> arr7(arr4.rbegin(), arr4.rend());\t        \/\/\u5c06arr4\u7684\u503c\u4ece\u5c3e\u5230\u5934\u590d\u5236<\/code><\/pre>\n\n\n\n
        1.vector\u5bb9\u5668\u7684\u5185\u7f6e\u51fd\u6570\u65b9\u6cd5<\/h3>\n\n\n\n
        1.1 Iterators\uff08\u8fed\u4ee3\u5668\uff09<\/strong><\/h4>\n\n\n\n
        \u540d\u5b57<\/th>\u63cf\u8ff0<\/th><\/tr><\/thead>
        begin<\/td>\u8fd4\u56de\u6307\u5411\u5bb9\u5668\u4e2d\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u8fed\u4ee3\u5668\u3002<\/td><\/tr>
        end<\/td>\u8fd4\u56de\u6307\u5411\u5bb9\u5668\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u6240\u5728\u4f4d\u7f6e\u540e\u4e00\u4e2a\u4f4d\u7f6e\u7684\u8fed\u4ee3\u5668<\/td><\/tr>
        rbegin<\/td>\u8fd4\u56de\u5bb9\u5668\u9006\u5e8f\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u8fed\u4ee3\u5668<\/td><\/tr>
        rend<\/td>\u8fd4\u56de\u5bb9\u5668\u9006\u5e8f\u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u7684\u524d\u4e00\u4e2a\u4f4d\u7f6e\u7684\u8fed\u4ee3\u5668<\/td><\/tr>
        cbegin<\/td>\u548cbegin()\u529f\u80fd\u76f8\u540c\uff0c\u5728\u5176\u57fa\u7840\u4e0a\u589e\u52a0\u4e86 const \u5c5e\u6027\uff0c\u4e0d\u80fd\u7528\u4e8e\u4fee\u6539\u5143\u7d20\u3002<\/td><\/tr>
        cend<\/td>\u548cend()\u529f\u80fd\u76f8\u540c\uff0c\u5728\u5176\u57fa\u7840\u4e0a\u589e\u52a0\u4e86 const \u5c5e\u6027\uff0c\u4e0d\u80fd\u7528\u4e8e\u4fee\u6539\u5143\u7d20\u3002<\/td><\/tr>
        crbegin<\/td>\u548crbegin()\u529f\u80fd\u76f8\u540c\uff0c\u5728\u5176\u57fa\u7840\u4e0a\u589e\u52a0\u4e86 const \u5c5e\u6027\uff0c\u4e0d\u80fd\u7528\u4e8e\u4fee\u6539\u5143\u7d20\u3002<\/td><\/tr>
        crend<\/td>\u548crend()\u529f\u80fd\u76f8\u540c\uff0c\u5728\u5176\u57fa\u7840\u4e0a\u589e\u52a0\u4e86 const \u5c5e\u6027\uff0c\u4e0d\u80fd\u7528\u4e8e\u4fee\u6539\u5143\u7d20\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
        1.2 Capacity\uff08\u5bb9\u91cf\uff09<\/strong><\/h4>\n\n\n\n
        \u540d\u5b57<\/th>\u63cf\u8ff0<\/th><\/tr><\/thead>
        size<\/td>\u8fd4\u56de\u5b9e\u9645\u5143\u7d20\u7684\u4e2a\u6570<\/td><\/tr>
        capacity<\/td>\u8fd4\u56de\u603b\u5171\u53ef\u4ee5\u5bb9\u7eb3\u7684\u5143\u7d20\u4e2a\u6570<\/td><\/tr>
        max_size<\/td>\u8fd4\u56de\u5143\u7d20\u4e2a\u6570\u7684\u6700\u5927\u503c\u3002\u8fd9\u4e2a\u503c\u975e\u5e38\u5927\uff0c\u4e00\u822c\u662f2^32-1<\/td><\/tr>
        empty<\/td>\u5224\u65advector\u662f\u5426\u4e3a\u7a7a\uff0c\u4e3a\u7a7a\u8fd4\u56detrue\u5426\u5219false<\/td><\/tr>
        resize<\/td>\u6539\u53d8\u5b9e\u9645\u5143\u7d20\u7684\u4e2a\u6570\uff0c\u5bf9\u5e94\u4e8esize<\/td><\/tr>
        reserve<\/td>\u589e\u52a0\u5bb9\u5668\u7684\u5bb9\u91cf\uff0c\u63a7\u5236vector\u7684\u9884\u7559\u7a7a\u95f4<\/td><\/tr>
        shrink_to_fit<\/td>\u51cf\u5c11capacity\u5230size\u7684\u5927\u5c0f\uff0c\u5373\u51cf\u5c0f\u5230size\u7684\u5927\u5c0f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
        1.3 Element access\uff08\u5143\u7d20\u8bbf\u95ee\uff09<\/strong><\/h4>\n\n\n\n
        \u540d\u5b57<\/th>\u63cf\u8ff0<\/th><\/tr><\/thead>
        operator[]<\/td>vector\u53ef\u4ee5\u548c\u6570\u7ec4\u4e00\u6837\u7528[]\u8bbf\u95ee\u5143\u7d20<\/td><\/tr>
        at<\/td>vector.at(i)\u7b49\u540c\u4e8evector[i]\uff0c\u8bbf\u95ee\u6570\u7ec4\u4e0b\u8868\u7684\u5143\u7d20<\/td><\/tr>
        front<\/td>\u8fd4\u56de\u7b2c\u4e00\u4e2a\u5143\u7d20<\/td><\/tr>
        back<\/td>\u8fd4\u56de\u6700\u540e\u4e00\u4e2a\u5143\u7d20<\/td><\/tr>
        data<\/td>\u8fd4\u56de\u6307\u5411\u5bb9\u5668\u4e2d\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u6307\u9488<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
        1.4 Modifiers\uff08\u4fee\u6539\u5668\uff09<\/strong><\/h4>\n\n\n\n
        \u540d\u5b57<\/th>\u63cf\u8ff0<\/th><\/tr><\/thead>
        push_back<\/td>\u5728\u5bb9\u5668\u7684\u5c3e\u90e8\u63d2\u5165\u5143\u7d20<\/td><\/tr>
        pop_back<\/td>\u5220\u9664\u6700\u540e\u4e00\u4e2a\u5143\u7d20<\/td><\/tr>
        insert<\/td>\u63d2\u5165\u5143\u7d20<\/td><\/tr>
        erase<\/td>\u5220\u9664\u5143\u7d20<\/td><\/tr>
        clear<\/td>\u6e05\u9664\u5bb9\u5668\u5185\u5bb9\uff0csize=0\uff0c\u5b58\u50a8\u7a7a\u95f4\u4e0d\u53d8<\/td><\/tr>
        swap<\/td>\u4ea4\u6362\u4e24\u4e2a\u5143\u7d20\u7684\u6240\u6709\u5185\u5bb9<\/td><\/tr>
        assign<\/td>\u7528\u65b0\u5143\u7d20\u66ff\u6362\u539f\u6709\u5185\u5bb9<\/td><\/tr>
        emplace<\/td>\u63d2\u5165\u5143\u7d20\uff0c\u548cinsert\u5b9e\u73b0\u539f\u7406\u4e0d\u540c\uff0c\u901f\u5ea6\u66f4\u5feb<\/td><\/tr>
        emplace_back<\/td>\u5728\u5bb9\u5668\u7684\u5c3e\u90e8\u63d2\u5165\u5143\u7d20\uff0c\u548cpush_back\u4e0d\u540c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
        2.vector\u5bb9\u5668\u7684\u904d\u5386<\/h3>\n\n\n\n
        2.1 \u8fed\u4ee3\u5668\u8bbf\u95ee<\/h4>\n\n\n\n
          \n
        • \u901a\u8fc7\u8fed\u4ee3\u5668\u8bbf\u95ee\u4ecebegin()\u5230end()\uff0c\u9700\u8981\u5b9a\u4e49iterator\uff0c\u5f53\u7136\u53ef\u4ee5\u7528auto\u66ff\u4ee3\u3002<\/li>\n\n\n\n
        • begin()\u8868\u793a\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u800cend()\u4e0d\u662f\u6700\u540e\u4e00\u4e2a\u5143\u7d20\uff0cend()\u662f\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u6240\u5728\u4f4d\u7f6e\u540e\u4e00\u4e2a\u4f4d\u7f6e\u7684\u8fed\u4ee3\u5668\u3002<\/li>\n<\/ul>\n\n\n\n
          \/\/\u8fed\u4ee3\u5668\uff1avector<int>::iterator\nfor (vector<int>::iterator it = arr.begin(); it != arr.end(); it++)\n{\n    cout << *it << endl;\n}\n\/\/\u8fed\u4ee3\u5668\uff1avector<int>::reverse_iterator\nfor (vector<int>::reverse_iterator it = arr.rbegin(); it != arr.rend(); it++)\n{\n    cout << *it << endl;\n}<\/code><\/pre>\n\n\n\n
          2.2 \u4e0b\u6807\u8bbf\u95ee<\/h4>\n\n\n\n
          \u548c\u6570\u7ec4\u7c7b\u4f3c\uff0c\u4ece\u4e0b\u68070\u5f00\u59cb\u904d\u5386\uff0c\u800c\u4e0d\u5230size\u7684\u5927\u5c0f\u3002<\/p>\n\n\n\n
          for (int i = 0; i < arr.size(); i++)\n{\n\tcout << arr[i] << endl;\n}<\/code><\/pre>\n\n\n\n
          2.3 \u8303\u56f4for\u5faa\u73af<\/h4>\n\n\n\n
          C++11\u53ca\u4ee5\u4e0a\u7684\u7279\u6027\uff0c\u8303\u56f4for\uff0c\u904d\u5386\u5143\u7d20\u5341\u5206\u65b9\u4fbf\uff0c\u7ade\u8d5b\u517c\u5bb9\u3002<\/p>\n\n\n\n
          for (auto num : arr)\n{\n\tcout << num << endl;\n}<\/code><\/pre>\n\n\n\n
          3.vector \u5bb9\u5668\u5bb9\u91cf\u548c\u5927\u5c0f<\/h3>\n\n\n\n
            \n
          • \u987e\u540d\u601d\u4e49\uff0csize<\/strong>\u8868\u793a\u5f53\u524d\u6709\u591a\u5c11\u4e2a\u5143\u7d20\uff0ccapacity<\/strong>\u662f\u53ef\u5bb9\u7eb3\u7684\u5927\u5c0f\u3002\u56e0\u4e3avector\u662f\u987a\u5e8f\u5b58\u50a8\u7684\uff0c\u90a3\u4e48\u548c\u6570\u7ec4\u4e00\u6837\uff0c\u6709\u4e00\u4e2a\u521d\u59cb\u5bb9\u91cf\uff0c\u5728vector\u91cc\u5c31\u662fcapacity\u3002capacity\u5fc5\u7136\u5927\u4e8e\u7b49\u4e8esize\uff0c\u6bcf\u6b21\u6269\u5bb9\u65f6\u4f1a\u6539\u53d8\uff0c\u5177\u4f53\u5927\u5c0f\u548cvector\u5e95\u5c42\u5b9e\u73b0\u673a\u5236\u6709\u5173\u3002<\/li>\n\n\n\n
          • max_size<\/strong>\u662f\u53ef\u5b58\u50a8\u7684\u6700\u5927\u5bb9\u91cf\uff0c\u548c\u5b9e\u9645\u7684\u7f16\u8bd1\u5668\u3001\u7cfb\u7edf\u6709\u5173\uff0c\u4f7f\u7528\u7684\u6bd4\u8f83\u5c11\u3002<\/li>\n\n\n\n
          • empty<\/strong>\u5f88\u597d\u7406\u89e3\uff0c\u5224\u65advector\u662f\u5426\u4e3a\u7a7a\uff0c\u5176\u5b9e\u5c31\u662f\u5224\u65adsize\u662f\u5426\u7b49\u4e8e0\u3002\u5b9a\u4e49vector\u65f6\u8bbe\u5b9a\u4e86\u5927\u5c0f\u3001resize\u4fee\u6539\u5927\u5c0f\u7b49\u64cd\u4f5c\uff0cvector\u90fd\u4e0d\u4e3a\u7a7a\uff1bclear\u540e\uff0csize=0\uff0c\u90a3\u4e48empty\u5224\u65ad\u5c31\u4e3a\u7a7a\u3002<\/li>\n\n\n\n
          • resize<\/strong>\u6539\u53d8size\u7684\u5927\u5c0f\uff0c\u800creserve<\/strong>\u6539\u53d8capacity\u7684\u5927\u5c0f\uff0cshrink_to_fit<\/strong>\u51cf\u5c0fcapacity\u5230size<\/li>\n<\/ul>\n\n\n\n
            vector<int> arr;\narr.resize(4);\narr.reserve(6);\ncout << arr.size() << \" \" << arr.capacity() << endl;\ncout << \"##########################\" << endl;\narr.shrink_to_fit();\ncout << arr.size() << \" \" << arr.capacity() << endl;<\/code><\/pre>\n\n\n\n
            4.vector\u5bb9\u5668\u5e38\u7528\u7b97\u6cd5<\/h3>\n\n\n\n
            \u4e0b\u9762\u8fd9\u4e00\u90e8\u5206\u975e\u5e38\u4e4b\u91cd\u8981\uff0c\u53ef\u4ee5\u8bf4\u662f\u6574\u4e2avector\u5bb9\u5668\u91cc\u6700\u9700\u8981\u638c\u63e1\u5e76\u719f\u7ec3\u8fd0\u7528\u7684\u3002<\/p>\n\n\n\n
            4.1 push_back\u3001pop_back \u548c emplace_back<\/h4>\n\n\n\n
              \n
            • push_back\u548cpop_back\u7528\u6cd5\u7b80\u5355<\/li>\n<\/ul>\n\n\n\n
              vector<int> arr;\nfor (int i = 0; i < 5; i++)\n{\n    arr.push_back(i);\n}\nfor (int i = 0; i < 5; i++)\n{\n    arr.pop_back();\n}<\/code><\/pre>\n\n\n\n
                \n
              • emplace_back\u7684\u6548\u679c\u548cpush_back\u4e00\u6837\uff0c\u90fd\u662f\u5c3e\u90e8\u63d2\u5165\u5143\u7d20<\/li>\n<\/ul>\n\n\n\n
                arr.emplace(10);<\/code><\/pre>\n\n\n\n
                \u4e24\u8005\u7684\u5dee\u522b\u5728\u4e8e\u5e95\u5c42\u5b9e\u73b0\u7684\u673a\u5236\u4e0d\u540c<\/strong>\uff1apush_back<\/code>\u5c06\u8fd9\u4e2a\u5143\u7d20\u62f7\u8d1d\u6216\u8005\u79fb\u52a8<\/strong>\u5230\u5bb9\u5668\u4e2d\uff08\u5982\u679c\u662f\u62f7\u8d1d\u7684\u8bdd\uff0c\u4e8b\u540e\u4f1a\u81ea\u884c\u9500\u6bc1\u5148\u524d\u521b\u5efa\u7684\u8fd9\u4e2a\u5143\u7d20\uff09\uff1b\u800c\u00a0emplace_back<\/code>\u00a0\u5728\u5b9e\u73b0\u65f6\uff0c\u5219\u662f\u76f4\u63a5\u5728\u5bb9\u5668\u5c3e\u90e8\u521b\u5efa<\/strong>\u8fd9\u4e2a\u5143\u7d20\uff0c\u7701\u53bb\u4e86\u62f7\u8d1d\u6216\u79fb\u52a8\u5143\u7d20\u7684\u8fc7\u7a0b\u3002<\/p>\n\n\n\n
                \u6240\u4ee5emplace_back\u7684\u901f\u5ea6\u7565\u5feb\u3002\u5f53\u7136\uff0c\u4e8c\u8005\u5404\u6709\u4f18\u52a3\uff0c\u4e00\u822c\u60c5\u51b5\u4e0bpush_back<\/code>\u5df2\u7ecf\u53ef\u4ee5\u6ee1\u8db3\u7edd\u5927\u90e8\u5206\u573a\u666f\uff0c\u7ade\u8d5b\u4e2d\u53ef\u4ee5\u5c1d\u8bd5\u591a\u4f7f\u7528emplace_back\u800c\u4e0d\u662fpush_back<\/code>\u3002<\/p>\n\n\n\n
                4.2 insert\u00a0\u548c emplace<\/h4>\n\n\n\n
                insert\u6709\u4e09\u79cd\u7528\u6cd5\uff1a<\/p>\n\n\n\n
                  \n
                • \u5728\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u503c\u4e3aval\u7684\u5143\u7d20\u3002<\/li>\n<\/ul>\n\n\n\n
                  \/\/\u5728arr\u7684\u5934\u90e8\u63d2\u5165\u503c\u4e3a10\u7684\u5143\u7d20\nvector<int> arr;\narr.insert(arr.begin(), 10);<\/code><\/pre>\n\n\n\n
                    \n
                  • \u5728\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165n\u4e2a\u503c\u4e3aval\u7684\u5143\u7d20<\/li>\n<\/ul>\n\n\n\n
                    \/\/\u4ecearr\u7684\u5934\u90e8\u5f00\u59cb\uff0c\u8fde\u7eed\u63d2\u51653\u4e2a\u503c\u4e3a10\u7684\u5143\u7d20\nvector<int> arr;\narr.insert(arr.begin(), 3, 10);<\/code><\/pre>\n\n\n\n
                      \n
                    • \u5728\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u533a\u95f4[start, end]\u7684\u6240\u6709\u5143\u7d20<\/li>\n<\/ul>\n\n\n\n
                      \/\/\u4ecearr\u7684\u5934\u90e8\u5f00\u59cb\uff0c\u8fde\u7eed\u63d2\u5165arrs\u533a\u95f4[begin, end]\u7684\u6240\u6709\u5143\u7d20\nvector<int> arr;\nvector<int> arrs = { 1, 2, 3, 4, 5 };\narr.insert(arr.begin(), arrs.begin(), arrs.end());<\/code><\/pre>\n\n\n\n
                      emplace\u548cinsert\u540c\u4e3a\u63d2\u5165\u5143\u7d20\uff0c\u4e0d\u8fc7emplace\u53ea\u80fd\u63d2\u5165\u4e00\u4e2a\u5143\u7d20\uff1a<\/p>\n\n\n\n
                      \/\/\u5728arr\u7684\u5934\u90e8\u63d2\u5165\u503c\u4e3a10\u7684\u5143\u7d20\nvector<int> arr;\narr.emplace(arr.begin(), 10);<\/code><\/pre>\n\n\n\n
                      insert\u548cemplace\u7684\u533a\u522b\u548c\u4e0a\u9762\u7c7b\u4f3c\uff0c\u5c31\u662f\u4e00\u4e2a\u662f\u62f7\u8d1d\u548c\u590d\u5236\u7684\u8fc7\u7a0b\uff0c\u800c\u53e6\u4e00\u4e2a\u5219\u662f\u76f4\u63a5\u521b\u5efa\u4e00\u4e2a\u65b0\u5143\u7d20\u3002<\/p>\n\n\n\n
                      4.3 erase<\/h4>\n\n\n\n
                      erase\u901a\u8fc7\u8fed\u4ee3\u5668\u5220\u9664\u67d0\u4e2a\u6216\u67d0\u4e2a\u8303\u56f4\u7684\u5143\u7d20\uff0c\u5e76\u8fd4\u56de\u4e0b\u4e00\u4e2a\u5143\u7d20\u7684\u8fed\u4ee3\u5668<\/strong>\u3002<\/p>\n\n\n\n
                      vector<int> arr{1, 2, 3, 4, 5};\n\/\/\u5220\u9664arr\u5f00\u5934\u5f80\u540e\u504f\u79fb\u4e24\u4e2a\u4f4d\u7f6e\u7684\u5143\u7d20\uff0c\u5373arr\u7684\u7b2c\u4e09\u4e2a\u5143\u7d20\uff0c3\narr.erase(arr.begin() + 2);\n\/\/\u5220\u9664arr.begin()\u5230arr.begin()+2\u4e4b\u95f4\u7684\u5143\u7d20\uff0c\u5220\u9664\u4e24\u4e2a;\u5373\u5220\u9664arr.begin()\u800c\u4e0d\u5230arr.begin()+2\u7684\u5143\u7d20\narr.erase(arr.begin(), arr.begin() + 2);<\/code><\/pre>\n\n\n\n
                      4.4 assign<\/h4>\n\n\n\n
                      assign\u4fee\u6539vector\uff0c\u548cinsert\u64cd\u4f5c\u7c7b\u4f3c\uff0c\u4e0d\u8fc7insert\u662f\u4ece\u5c3e\u90e8\u63d2\u5165\uff0c\u800cassign\u5219\u5c06\u6574\u4e2avector\u6539\u53d8\u3002<\/p>\n\n\n\n
                        \n
                      • \u5c06\u6574\u4e2avector\u4fee\u6539\u4e3an\u4e2a\u503c\u4e3aval\u7684\u5bb9\u5668<\/li>\n<\/ul>\n\n\n\n
                        \/\/\u5c06arr\u4fee\u6539\u4e3a3\u4e2a\u503c\u4e3a5\u7684vector\u3002\nvector<int> arr = {5, 4, 3, 2, 1};\narr.assign(3, 10);<\/code><\/pre>\n\n\n\n
                          \n
                        • \u5c06\u6574\u4e2avector\u4fee\u6539\u4e3a\u67d0\u4e2a\u5bb9\u5668[start, end]\u8303\u56f4\u5185\u7684\u5143\u7d20<\/li>\n<\/ul>\n\n\n\n
                          \/\/\u5c06arr\u4fee\u6539\u4e3a\u8303\u56f4[arrs.begin, arrs.end]\u5185\u7684\u5143\u7d20\nvector<int> arr = {5, 4, 3, 2, 1};\nvector<int> arrs = { 1, 2, 3, 4, 5 };\narr.assign(arrs.begin(), arrs.end());<\/code><\/pre>\n\n\n\n
                            \n
                          • \u7528\u6570\u7ec4\u7684\u503c\u8fdb\u884c\u8303\u56f4\u4fee\u6539<\/li>\n<\/ul>\n\n\n\n
                            \/\/\u5c06arr\u66ff\u6362\u4e3a\u6570\u7ec4arrs\nvector<int> arr = {5, 4, 3, 2, 1};\nint arrs[5] = { 1, 2, 3, 4, 5 };\narr.assign(arrs, arrs + 5);<\/code><\/pre>\n\n\n\n
                            4.5 swap \u548c clear<\/h4>\n\n\n\n
                            swap\u5c06\u4e24\u4e2avector\u8fdb\u884c\u4ea4\u6362\u3002<\/p>\n\n\n\n
                            vector<int> arr = {5, 4, 3, 2, 1};\nvector<int> arrs = { 1, 2, 3, 4, 5 };\narr.swap(arrs);<\/code><\/pre>\n\n\n\n
                            clear\u6e05\u7a7a\u6574\u4e2avector\uff0csize\u53d8\u4e3a0\uff0c\u4f46\u7a7a\u95f4\u4ecd\u7136\u5b58\u5728\u3002<\/p>\n\n\n\n
                            arr.clear();<\/code><\/pre>\n\n\n\n
                            5.vector\u4e8c\u7ef4\u64cd\u4f5c<\/h3>\n\n\n\n
                            \u5b9e\u9645\u4e0a\uff0c\u4e8c\u7ef4vector\u5176\u5b9e\u5c31\u662f\u5d4c\u5957\u5b9a\u4e49vector\uff0c\u90a3\u4e48\u5bf9\u5176\u8fdb\u884c\u64cd\u4f5c\u6211\u4eec\u53ef\u4ee5\u4ece\u5d4c\u5957\u7684vector\u5f97\u5230\u5355\u5c42\u7684vector\uff0c\u5c31\u53ef\u4ee5\u8c03\u7528\u5176\u65b9\u6cd5\u4e86\u3002<\/p>\n\n\n\n
                            5.1 \u5b9a\u4e49<\/h4>\n\n\n\n
                            vector<vector<int>> arr;\t\t\t\/\/\u5b9a\u4e49\u4e00\u4e2a\u7a7a\u7684\u4e8c\u7ef4vector\nvector<vector<int>> arr(5, vector<int>(3, 1));\t\/\/\u5b9a\u4e49\u4e00\u4e2a5\u884c3\u5217\u503c\u5168\u4e3a1\u7684\u4e8c\u7ef4vector<\/code><\/pre>\n\n\n\n
                            5.2 \u8bbf\u95ee<\/h4>\n\n\n\n
                              \n
                            • \u548c\u4e8c\u7ef4\u6570\u7ec4\u4e00\u6837\u901a\u8fc7 [] [] \u8bbf\u95ee\u5373\u53ef\u3002<\/li>\n<\/ul>\n\n\n\n
                              for (int i = 0; i < arr.size(); i++)\n{\n\tfor (int j = 0; j < arr[0].size(); j++)  \/\/\u6ce8\u610f\u5982\u679carr\u4e3a\u7a7a\u4e0d\u53ef\u76f4\u63a5arr[0]\n\t{\n\t\tcout << arr[i][j] << endl;\n\t}\n}<\/code><\/pre>\n\n\n\n
                                \n
                              • \u6216\u8005\u7528\u8303\u56f4for\uff1a<\/li>\n<\/ul>\n\n\n\n
                                for (auto nums : arr)\n{\n    for (auto num : nums)\n    {\n    \tcout << num << endl;\n    }\n}<\/code><\/pre>\n\n\n\n
                                5.3 resize\u64cd\u4f5c<\/h4>\n\n\n\n
                                vector<vector<int>> arr;  \/\/\u521b\u5efa\u7a7a\u7684\u4e8c\u7ef4vector\narr.resize(5);            \/\/\u5c06arr\u8c03\u6574\u4e3a5\u884c\uff0c\u6bcf\u884c\u662f\u4e00\u4e2a\u7a7a\u7684vector<int>\nfor (auto& row : arr)     \/\/\u904d\u5386\u6bcf\u4e00\u884c\n{\n    row.resize(3);        \/\/\u4e3a\u904d\u5386\u5230\u7684\u6bcf\u4e00\u884c\u8bbe\u7f6e\u4e09\u5217\n}\n\/\/ \u7ed3\u679c\uff1a5x3\u7684\u4e8c\u7ef4\u6570\u7ec4\uff0c\u6240\u6709\u5143\u7d20\u9ed8\u8ba4\u503c\u4e3a0<\/code><\/pre>\n\n\n\n
                                \u4e09\u3001vector\u6269\u5bb9\u539f\u7406<\/h2>\n\n\n\n
                                \u524d\u9762\u6211\u4eec\u63d0\u5230\uff0cvector\u4f5c\u4e3a\u5bb9\u5668\u6709\u7740\u52a8\u6001\u6570\u7ec4\u7684\u529f\u80fd\uff0c\u5f53\u52a0\u5165\u7684\u6570\u636e\u5927\u4e8evector\u5bb9\u91cf(capacity)\u65f6\u4f1a\u81ea\u52a8\u6269\u5bb9\uff0c\u7cfb\u7edf\u4f1a\u81ea\u52a8\u7533\u8bf7\u4e00\u7247\u66f4\u5927\u7684\u7a7a\u95f4\uff0c\u628a\u539f\u6765\u7684\u6570\u636e\u62f7\u8d1d\u8fc7\u53bb\uff0c\u91ca\u653e\u539f\u6765\u7684\u5185\u5b58\u7a7a\u95f4\u3002<\/p>\n\n\n\n
                                \u770b\u4ee5\u4e0b\u4e00\u6bb5\u4ee3\u7801\uff1a<\/p>\n\n\n\n
                                vector<int> arr;\nfor (int i = 0; i < 20; i++)\n{\n    arr.push_back(i);\n    cout << arr.size() << \" \" << arr.capacity() << endl;\n}<\/code><\/pre>\n\n\n\n
                                \u5728\u8fd0\u884c\u4ee5\u4e0a\u4ee3\u7801\u6d4b\u8bd5\u6269\u5bb9\uff0c\u53d1\u73b0\uff1a<\/p>\n\n\n\n
                                  \n
                                • \u521d\u59cb\u65f6capacity\u548csize\u90fd\u662f\u96f6\uff1b<\/li>\n\n\n\n
                                • \u5f00\u59cbcapacity\u548csize\u5927\u5c0f\u4e00\u81f4\uff0c\u5728size=5\u65f6\uff0ccapacity\u4ece4 -> 6\uff0c\u5373\u53d1\u751f\u4e86\u6269\u5bb9\uff1a4 * 1.5 = 6\uff0c\u4ee51.5\u500d\u5f00\u59cb\u6269\u5bb9\u3002\u540c\u6837\uff0c\u57289\u300113\u300119\u65f6\u5747\u662f\u4ee51.5\u500d\u7684\u65b9\u5f0f\u6269\u5bb9\uff0c\u5411\u4e0b\u53d6\u6574\u3002<\/li>\n\n\n\n
                                • \u5176\u5b9e\uff0c\u5728capacity\u7b49\u4e8esize\u65f6\uff0c\u4e0b\u4e00\u6b21\u63d2\u5165\u64cd\u4f5c\u65f6vector\u5c31\u4ee51.5\u500d\u5f00\u59cb\u6269\u5bb9\u3002\u5f00\u59cb\u65f6\uff0c0 * 1.5 = 1\uff08\u9700\u8981\uff09, 1 * 1.5 = 2(\u6b64\u65f6\u9700\u8981)\uff0c2 * 1.5 = 3, 3 * 1.5 = 4\uff0c4 * 1.5 = 6,6 * 1.5 = 9 ……<\/li>\n<\/ul>\n\n\n\n
                                  \u53ef\u4ee5\u770b\u5230\uff0c\u7406\u8bba\u4e0a\u6bcf\u6b21\u90fd\u662f1.5\u6269\u5bb9\uff0c\u4f46\u662f\u9047\u5230\u4e00\u4e9b\u7279\u6b8a\u60c5\u51b5\u5982\uff1a0\u30011\u6216\u8005\u4e00\u6b21\u6027\u63d2\u5165\u591a\u4e2a\u5143\u7d20\u65f6\uff0c\u4e5f\u8bb81.5\u6269\u5bb9\u5c31\u65e0\u6cd5\u6ee1\u8db3\u4e86\u3002\u5176\u5b9e\u5f88\u7b80\u5355\uff0c\u6309\u7167\u6211\u4eec\u81ea\u5df1\u7684\u601d\u8def\uff0c\u8fd9\u65e0\u975e\u662f\u7a0b\u5e8f\u5065\u58ee\u6027\u7684\u4f53\u73b0\uff0c\u52a0\u4e00\u53e5\u5224\u65ad\u8bed\u53e5\u5373\u53ef\u3002<\/p>\n\n\n\n
                                  \u4e0b\u9762\u662f\u6269\u5bb9\u6e90\u7801\uff1a<\/p>\n\n\n\n
                                  size_type _Calculate_growth(const size_type _Newsize) const {\n    \n    const size_type _Oldcapacity = capacity();\n    const auto _Max              = max_size();\n\n    \/\/\u6269\u5bb9\u540e\u5c06\u8d85\u51famax_size\uff0c\u8fd4\u56demax_size\n    if (_Oldcapacity > _Max - _Oldcapacity \/ 2) {\n        return _Max; \n    }\n\t\/\/\u91c7\u53d61.5\u500d\u6269\u5bb9\n    const size_type _Geometric = _Oldcapacity + _Oldcapacity \/ 2;\n\t\/\/\u6269\u5bb9\u540e\u4ecd\u7136\u5c0f\u4e8e\u65b0\u52a0\u5165\u5143\u7d20\u540e\u7684\u5927\u5c0f\uff0c\u4ee5\u65b0\u52a0\u5165\u5143\u7d20\u540e\u7684\u5927\u5c0f\u4e3a\u51c6\n    if (_Geometric < _Newsize) {\n        return _Newsize; \n    }\n\n    return _Geometric;\n}<\/code><\/pre>\n\n\n\n
                                  \u7531\u6b64\u53ef\u89c1\uff0c\u786e\u5b9e\u662f\u4ee51.5\u500d\u6269\u5bb9\uff0c\u5e76\u4e14\u8fd8\u6709\u9700\u8981\u5224\u65ad\uff1a\u662f\u5426\u8d85\u8fc7max_size\uff0c\u4ee5\u53ca\u662f\u5426\u5c0f\u4e8enewsize\u3002<\/p>\n\n\n\n
                                  \u800c\u5176\u5b9e\uff0c\u6269\u5bb9\u65f6\u5728\u63d2\u5165\u65f6\u5143\u7d20\u9700\u8981\u8fdb\u884c\u5224\u65ad\u7684\uff0c\u6240\u4ee5\u5728vector\u7684\u65b9\u6cd5\u5982\uff1apush_back\u3001insert\u4e2d\u90fd\u6709\u7528\u5230\u6269\u5bb9\u3002<\/p>\n\n\n\n
                                  \u5bf9\u4e8epush_back\uff0cVS(\u5373Visual Studio 20XX\uff0c\u5fae\u8f6f\u53d1\u884c\u7684\u975e\u5e38\u597d\u7528\u7684\u4ee3\u7801\u7f16\u5199\u5f00\u53d1\u5de5\u5177)\u4e2d\uff0cpush_back\u6709\u4e24\u4e2a\u91cd\u8f7d\u51fd\u6570\u3002_Ty\u5c31\u662fvector\u6a21\u677f\u7684\u7c7b\u578b\uff0c\u5982vector< int >\u4e2d\u7684int\u3002\u53d1\u73b0push_back\u5176\u5b9e\u662f\u8c03\u7528\u4e86emplace_back\u6210\u5458\u51fd\u6570\u3002<\/p>\n\n\n\n
                                  void push_back(const _Ty& _Val) { \n\templace_back(_Val);\n}\n\nvoid push_back(_Ty&& _Val) { \n\templace_back(_STD move(_Val));\n}<\/code><\/pre>\n\n\n\n
                                  \u63a5\u7740\uff0c\u8fdb\u5165emplace_back\u51fd\u6570\u3002\u5224\u65adcapacity\u548csize\u662f\u5426\u76f8\u7b49\uff0c\u5982\u679c\u76f8\u7b49\u5c31\u8fdb\u5165_Emplace_reallocate\u51fd\u6570\u3002<\/p>\n\n\n\n
                                  template <class... _Valty>\n    decltype(auto) emplace_back(_Valty&&... _Val) {\n        \n        auto& _My_data   = _Mypair._Myval2;\n        pointer& _Mylast = _My_data._Mylast;\n        if (_Mylast != _My_data._Myend) {\n            return _Emplace_back_with_unused_capacity(_STD forward<_Valty>(_Val)...);\n        }\n\t\t\n        _Ty& _Result = *_Emplace_reallocate(_Mylast, _STD forward<_Valty>(_Val)...);\n#if _HAS_CXX17\n        return _Result;\n#else \/\/ ^^^ _HAS_CXX17 ^^^ \/\/ vvv !_HAS_CXX17 vvv\n        (void) _Result;\n#endif \/\/ _HAS_CXX17\n    }<\/code><\/pre>\n\n\n\n
                                  \u6211\u4eec\u8fdb\u5165_Emplace_reallocate\u51fd\u6570\u3002\u5728\u8fd9\u51fd\u6570\u91cc\uff0c\u9996\u5148\u4f1a\u68c0\u67e5size\u662f\u5426\u7b49\u4e8emax_size\uff0c\u8d85\u8fc7\u6700\u5927\u503c\u65f6\u89e6\u53d1\u9519\u8bef\u3002\u63a5\u7740\uff0c\u5c31\u770b\u5230\u4e86\u4e4b\u524d\u63d0\u5230\u7684\u6269\u5bb9\u51fd\u6570 _Calculate_growth\uff0c\u4fee\u6539capacity\u7684\u503c\u3002<\/p>\n\n\n\n
                                  template <class... _Valty>\npointer _Emplace_reallocate(const pointer _Whereptr, _Valty&&... _Val) {\n    \n    _Alty& _Al        = _Getal();\n    auto& _My_data    = _Mypair._Myval2;\n    pointer& _Myfirst = _My_data._Myfirst;\n    pointer& _Mylast  = _My_data._Mylast;\n\t\n    _STL_INTERNAL_CHECK(_Mylast == _My_data._Myend);\n\n    const auto _Whereoff = static_cast<size_type>(_Whereptr - _Myfirst);\n    const auto _Oldsize  = static_cast<size_type>(_Mylast - _Myfirst);\n\t\n    if (_Oldsize == max_size()) {\n        _Xlength();\n    }\n\t\n    const size_type _Newsize     = _Oldsize + 1;\n    const size_type _Newcapacity = _Calculate_growth(_Newsize);\n\n    const pointer _Newvec           = _Al.allocate(_Newcapacity);\n    const pointer _Constructed_last = _Newvec + _Whereoff + 1;\n    pointer _Constructed_first      = _Constructed_last;\n\n    _TRY_BEGIN\n    _Alty_traits::construct(_Al, _Unfancy(_Newvec + _Whereoff), _STD forward<_Valty>(_Val)...);\n    _Constructed_first = _Newvec + _Whereoff;\n\n    if (_Whereptr == _Mylast) { \/\/ at back, provide strong guarantee\n        _Umove_if_noexcept(_Myfirst, _Mylast, _Newvec);\n    } else { \/\/ provide basic guarantee\n        _Umove(_Myfirst, _Whereptr, _Newvec);\n        _Constructed_first = _Newvec;\n        _Umove(_Whereptr, _Mylast, _Newvec + _Whereoff + 1);\n    }\n    _CATCH_ALL\n    _Destroy(_Constructed_first, _Constructed_last);\n    _Al.deallocate(_Newvec, _Newcapacity);\n    _RERAISE;\n    _CATCH_END\n\t\n    _Change_array(_Newvec, _Newsize, _Newcapacity);\n    return _Newvec + _Whereoff;\n}<\/code><\/pre>\n\n\n\n
                                  \u56db\u3001\u603b\u7ed3<\/h2>\n\n\n\n
                                  vector\u662fSTL\u4e2d\u6700\u57fa\u7840\u3001\u6700\u5e38\u7528\u7684\u987a\u5e8f\u5bb9\u5668\uff0c\u5176\u8bbe\u8ba1\u7cbe\u9ad3\u5728\u4e8e\u4ee5\u6570\u7ec4\u7684\u6548\u7387\u5b9e\u73b0\u52a8\u6001\u6269\u5bb9\u3002\u638c\u63e1vector\u7684\u5173\u952e\u5728\u4e8e\u7406\u89e3\u5176\u5bb9\u91cf\u589e\u957f\u673a\u5236\u3001\u8fed\u4ee3\u5668\u5931\u6548\u89c4\u5219\u548c\u5404\u64cd\u4f5c\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u3002\u5728\u5b9e\u9645\u7f16\u7a0b\u4e2d\uff0c\u6839\u636e\u6570\u636e\u7279\u6027\u548c\u64cd\u4f5c\u6a21\u5f0f\u9009\u62e9\u5408\u9002\u7684\u5bb9\u5668\uff0c\u662f\u7f16\u5199\u9ad8\u6548C++\u7a0b\u5e8f\u7684\u91cd\u8981\u57fa\u7840\u3002<\/p>\n\n\n\n
                                  <\/p>\n","protected":false},"excerpt":{"rendered":"
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