{"id":1718,"date":"2026-06-02T17:12:46","date_gmt":"2026-06-02T09:12:46","guid":{"rendered":"http:\/\/wordpress.fangt.online\/?p=1718"},"modified":"2026-06-02T17:12:46","modified_gmt":"2026-06-02T09:12:46","slug":"%e7%ae%97%e6%b3%95%e5%ba%93%ef%bc%9a%e5%bd%92%e5%b9%b6%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"http:\/\/wordpress.fangt.online\/index.php\/2026\/06\/02\/%e7%ae%97%e6%b3%95%e5%ba%93%ef%bc%9a%e5%bd%92%e5%b9%b6%e5%87%bd%e6%95%b0\/","title":{"rendered":"\u7b97\u6cd5\u5e93\uff1a\u5f52\u5e76\u51fd\u6570"},"content":{"rendered":"\n
\u51fd\u6570<\/th>\u7528\u9014<\/th>\u8f93\u5165\u8981\u6c42<\/th>\u8f93\u51fa\u4f4d\u7f6e<\/th>\u7a33\u5b9a\u6027<\/th>\u65f6\u95f4\u590d\u6742\u5ea6<\/th><\/tr><\/thead>
std::merge<\/code><\/td>\u5f52\u5e76\u4e24\u4e2a\u72ec\u7acb<\/strong>\u7684\u6709\u5e8f\u5e8f\u5217<\/td>\u8f93\u5165\u8303\u56f4\u3001\u8f93\u51fa\u8fed\u4ee3\u5668<\/td>\u65b0\u5bb9\u5668\uff08\u8f93\u51fa\uff09<\/td>\u7a33\u5b9a<\/strong><\/td>O(n) \u6bd4\u8f83<\/td><\/tr>
std::inplace_merge<\/code><\/td>\u5f52\u5e76\u540c\u4e00\u5e8f\u5217\u5185<\/strong>\u7684\u4e24\u4e2a\u76f8\u90bb\u6709\u5e8f\u6bb5<\/td>\u540c\u4e00\u5e8f\u5217\u7684\u4e24\u4e2a\u76f8\u90bb\u5b50\u8303\u56f4<\/td>\u8f93\u5165\u5e8f\u5217\u539f\u5730<\/td>\u7a33\u5b9a<\/strong><\/td>O(n) \u6216 O(n log n)<\/td><\/tr>
std::stable_sort<\/code><\/td>\u7a33\u5b9a\u6392\u5e8f<\/strong>\u6574\u4e2a\u5e8f\u5217<\/td>\u9700\u8981\u6392\u5e8f\u7684\u6574\u4e2a\u8303\u56f4<\/td>\u8f93\u5165\u5e8f\u5217\u539f\u5730<\/td>\u7a33\u5b9a<\/strong><\/td>\u5e73\u5747 O(n log n)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n\n\n\n

\ud83d\udd39 std::merge<\/code>\uff1a\u5408\u5e76\u4e24\u4e2a\u72ec\u7acb\u7684\u6709\u5e8f\u5e8f\u5217<\/h3>\n\n\n\n

\u8be5\u7b97\u6cd5\u5c06\u4e24\u4e2a\u5df2\u6392\u5e8f\u7684\u8303\u56f4\u5f52\u5e76\uff0c\u7ed3\u679c\u5b58\u653e\u5230\u4e00\u4e2a\u65b0\u4f4d\u7f6e\uff0c\u6240\u4ee5\u9700\u8981\u9884\u5148\u4e3a\u76ee\u6807\u5bb9\u5668\u5206\u914d\u8db3\u591f\u7684\u5185\u5b58\u3002<\/p>\n\n\n\n

#include <iostream>\n#include <vector>\n#include <algorithm>\n\nint main() {\n    std::vector<int> v1 = {1, 3, 5};\n    std::vector<int> v2 = {2, 4, 6};\n    std::vector<int> merged(v1.size() + v2.size()); \/\/ \u5206\u914d\u8db3\u591f\u7a7a\u95f4\n\n    \/\/ \u5f52\u5e76\u4e24\u4e2a\u6709\u5e8f vector\n    std::merge(v1.begin(), v1.end(), v2.begin(), v2.end(), merged.begin());\n\n    \/\/ \u8f93\u51fa\uff1a1 2 3 4 5 6\n    for (int i : merged) std::cout << i << \" \";\n    return 0;\n}<\/code><\/pre>\n\n\n\n
    \n
  • \u6027\u80fd<\/strong>\uff1a\u5b83\u7684\u6bd4\u8f83\u6b21\u6570\u81f3\u591a\u4e3a len1 + len2 - 1<\/code>\u6b21\uff0c\u6bd4 inplace_merge<\/code> \u66f4\u5feb\uff0c\u662f\u5408\u5e76\u4e24\u4e2a\u72ec\u7acb\u6709\u5e8f\u6570\u7ec4\u7684\u9996\u9009\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n\n\n\n
    \ud83d\udd39 std::inplace_merge<\/code>\uff1a\u539f\u5730\u5f52\u5e76\u540c\u4e00\u5e8f\u5217\u7684\u76f8\u90bb\u4e24\u6bb5<\/h3>\n\n\n\n
    \u5b83\u539f\u5730<\/strong>\uff08\u5373\u5728\u539f\u5185\u5b58\u7a7a\u95f4\uff09\u5f52\u5e76\u540c\u4e00\u5bb9\u5668\u4e2d\u4e24\u4e2a\u76f8\u90bb\u4e14\u5df2\u6392\u5e8f\u7684\u8fde\u7eed\u8303\u56f4\uff0c\u907f\u514d\u989d\u5916\u7684\u5927\u5185\u5b58\u5f00\u9500\u3002<\/p>\n\n\n\n
    #include <iostream>\n#include <vector>\n#include <algorithm>\n\nint main() {\n    \/\/ \u524d\u4e00\u534a [1, 3, 5] \u548c\u540e\u4e00\u534a [2, 4, 6] \u5404\u81ea\u6709\u5e8f\uff0c\u4f46\u6574\u4f53\u65e0\u5e8f\n    std::vector<int> v = {1, 3, 5, 2, 4, 6};\n    auto middle = v.begin() + 3; \/\/ \u6307\u5411 2\n\n    \/\/ \u539f\u5730\u5f52\u5e76\n    std::inplace_merge(v.begin(), middle, v.end());\n\n    \/\/ \u8f93\u51fa\uff1a1 2 3 4 5 6\n    for (int i : v) std::cout << i << \" \";\n    return 0;\n}<\/code><\/pre>\n\n\n\n
      \n
    • \u6027\u80fd<\/strong>\uff1a\u5982\u679c\u5206\u914d\u8db3\u591f\u5185\u5b58\uff0c\u5f52\u5e76\u6bd4\u8f83\u6b21\u6570\u7cbe\u786e\u4e3a N-1<\/code>\uff08N\u4e3a\u603b\u5143\u7d20\u6570\uff09\uff1b\u5426\u5219\u6700\u574f\u4e3a O(N log N)\u3002\u5b83\u6700\u9002\u5408\u5728\u540c\u4e00\u5bb9\u5668\u4e2d\u5bf9\u6570\u636e\u5206\u6bb5\u64cd\u4f5c\u540e\uff0c\u518d\u6574\u4f53\u5408\u5e76\u3002<\/li>\n<\/ul>\n\n\n\n
      \ud83d\udd39 std::stable_sort<\/code>\uff1a\u7a33\u5b9a\u7684\u5f52\u5e76\u6392\u5e8f<\/h3>\n\n\n\n
      \u8be5\u51fd\u6570\u662f C++ \u63d0\u4f9b\u7684\u7a33\u5b9a\u6392\u5e8f\u3002\u5b83\u4ee5\u5f52\u5e76\u6392\u5e8f<\/strong>\u4e3a\u5e95\u5c42\u7b97\u6cd5\uff0c\u4fdd\u6301\u76f8\u7b49\u5143\u7d20\u7684\u76f8\u5bf9\u987a\u5e8f\uff0c\u4e14\u6700\u574f\u60c5\u51b5\u4e0b\u65f6\u95f4\u590d\u6742\u5ea6\u59cb\u7ec8\u4fdd\u6301\u5728 O(N log N)\u3002<\/p>\n\n\n\n
      #include <iostream>\n#include <vector>\n#include <algorithm>\n\nint main() {\n    std::vector<int> v = {5, 2, 8, 2, 1};\n\n    \/\/ \u7a33\u5b9a\u6392\u5e8f\u6574\u4e2a\u5bb9\u5668\n    std::stable_sort(v.begin(), v.end());\n\n    \/\/ \u8f93\u51fa\uff1a1 2 2 5 8\n    for (int i : v) std::cout << i << \" \";\n    return 0;\n}<\/code><\/pre>\n\n\n\n
        \n
      • \u5173\u952e\u5bf9\u6bd4<\/strong>\uff1a\u5b83\u4e0e std::sort<\/code> \u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e\u7a33\u5b9a\u6027\uff08sort<\/code> \u4e0d\u4fdd\u8bc1\u7a33\u5b9a\uff09\u548c\u5185\u5b58\u5f00\u9500\uff08sort<\/code> \u7a7a\u95f4\u4e3a O(log N)\uff0cstable_sort<\/code> \u4e3a O(N)\uff09\u3002<\/li>\n<\/ul>\n\n\n\n
        \n\n\n\n
        \ud83d\udc8e \u603b\u7ed3\uff1a\u4f7f\u7528\u573a\u666f\u901f\u67e5<\/h3>\n\n\n\n
        \u573a\u666f<\/th>\u63a8\u8350\u51fd\u6570<\/th><\/tr><\/thead>
        \u5f52\u5e76\u4e24\u4e2a\u5b8c\u5168\u72ec\u7acb\u7684\u5df2\u6392\u5e8f\u6570\u7ec4<\/strong><\/td>std::merge<\/code><\/td><\/tr>
        \u5728\u540c\u4e00\u5bb9\u5668\u4e2d\uff0c\u5bf9\u4e24\u4e2a\u76f8\u90bb\u7684\u6709\u5e8f\u6bb5\u8fdb\u884c\u6574\u4f53\u6392\u5e8f<\/strong><\/td>std::inplace_merge<\/code><\/td><\/tr>
        \u9700\u8981\u5bf9\u6574\u4e2a\u5e8f\u5217\u8fdb\u884c\u7a33\u5b9a\u6392\u5e8f\uff08\u5982\u7ed3\u6784\u4f53\u6309\u5e74\u9f84\u6392\u5e8f\u540e\uff0c\u540c\u5e74\u9f84\u7684\u4eba\u4fdd\u6301\u539f\u987a\u5e8f\uff09<\/strong><\/td>std::stable_sort<\/code><\/td><\/tr>
        \u5408\u5e76\u591a\u4e2a\u5df2\u6392\u5e8f\u5e8f\u5217\uff08\u591a\u8def\u5f52\u5e76\uff09<\/strong><\/td>std::priority_queue<\/code><\/td><\/tr>
        \u9700\u8981\u5c06\u5f52\u5e76\u7ed3\u679c\u8f93\u51fa\u5230\u6d41\u6216\u5176\u4ed6\u8fed\u4ee3\u5668<\/strong><\/td>std::merge<\/code><\/td><\/tr>
        \u4e0d\u5173\u5fc3\u6392\u5e8f\u7a33\u5b9a\u6027\uff0c\u53ea\u8ffd\u6c42\u6781\u81f4\u901f\u5ea6<\/strong><\/td>std::sort<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"
        \u51fd\u6570 \u7528\u9014 \u8f93\u5165\u8981\u6c42 \u8f93\u51fa\u4f4d\u7f6e \u7a33\u5b9a\u6027 \u65f6\u95f4\u590d\u6742\u5ea6 std::merge \u5f52\u5e76\u4e24\u4e2a\u72ec\u7acb\u7684\u6709\u5e8f\u5e8f\u5217 \u8f93\u5165\u8303\u56f4\u3001\u8f93 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[61],"tags":[],"class_list":["post-1718","post","type-post","status-publish","format-standard","hentry","category-zl"],"_links":{"self":[{"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts\/1718","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/comments?post=1718"}],"version-history":[{"count":1,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts\/1718\/revisions"}],"predecessor-version":[{"id":1719,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/posts\/1718\/revisions\/1719"}],"wp:attachment":[{"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/media?parent=1718"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/categories?post=1718"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wordpress.fangt.online\/index.php\/wp-json\/wp\/v2\/tags?post=1718"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}