{"id":1006,"date":"2019-08-22T15:48:48","date_gmt":"2019-08-22T07:48:48","guid":{"rendered":"https:\/\/wyxxt.org.cn\/?p=1006"},"modified":"2023-12-04T16:42:01","modified_gmt":"2023-12-04T08:42:01","slug":"%e6%95%b0%e6%8d%ae%e7%bb%93%e6%9e%84","status":"publish","type":"post","link":"https:\/\/wyxxt.org.cn\/?p=1006","title":{"rendered":"\u6570\u636e\u7ed3\u6784"},"content":{"rendered":"

queue\uff08\u961f\u5217\uff09<\/h3>\n

\u5148\u8fdb\u5148\u51fa<\/p>\n

stack\uff08\u6808\uff09<\/h3>\n

\u540e\u8fdb\u5148\u51fa<\/p>\n

heap\uff08\u5806\uff09<\/h3>\n

\u5b8c\u5168\u4e8c\u53c9\u6811<\/p>\n

hash table\uff08\u54c8\u5e0c\u8868\uff09<\/h3>\n

\u6570\u7ec4<\/strong>
\n\u6570\u7ec4\u5b58\u50a8\u533a\u95f4\u662f\u8fde\u7eed\u7684\uff0c\u5360\u7528\u5185\u5b58\u4e25\u91cd\uff0c\u6545\u7a7a\u95f4\u590d\u6742\u7684\u5f88\u5927\u3002\u4f46\u6570\u7ec4\u7684\u4e8c\u5206\u67e5\u627e\u65f6\u95f4\u590d\u6742\u5ea6\u5c0f\uff0c\u4e3aO(1)<\/strong>\uff1b\u6570\u7ec4\u7684\u7279\u70b9\u662f\uff1a\u5bfb\u5740\u5bb9\u6613\uff0c\u63d2\u5165\u548c\u5220\u9664\u56f0\u96be<\/strong>\uff1b<\/p>\n

\u94fe\u8868<\/strong>
\n\u94fe\u8868\u5b58\u50a8\u533a\u95f4\u79bb\u6563\uff0c\u5360\u7528\u5185\u5b58\u6bd4\u8f83\u5bbd\u677e\uff0c\u6545\u7a7a\u95f4\u590d\u6742\u5ea6\u5f88\u5c0f\uff0c\u4f46\u65f6\u95f4\u590d\u6742\u5ea6\u5f88\u5927\uff0c\u8fbeO\uff08N\uff09<\/strong>\u3002\u94fe\u8868\u7684\u7279\u70b9\u662f\uff1a\u5bfb\u5740\u56f0\u96be\uff0c\u63d2\u5165\u548c\u5220\u9664\u5bb9\u6613<\/strong>\u3002
\n\u54c8\u5e0c\u8868<\/strong>
\n\u90a3\u4e48\u6211\u4eec\u80fd\u4e0d\u80fd\u7efc\u5408\u4e24\u8005\u7684\u7279\u6027\uff0c\u505a\u51fa\u4e00\u79cd\u5bfb\u5740\u5bb9\u6613\uff0c\u63d2\u5165\u5220\u9664\u4e5f\u5bb9\u6613\u7684\u6570\u636e\u7ed3\u6784\uff1f\u7b54\u6848\u662f\u80af\u5b9a\u7684\uff0c\u8fd9\u5c31\u662f\u6211\u4eec\u8981\u63d0\u8d77\u7684\u54c8\u5e0c\u8868\u3002\u54c8\u5e0c\u8868\uff08(Hash table\uff09\u65e2\u6ee1\u8db3\u4e86\u6570\u636e\u7684\u67e5\u627e\u65b9\u4fbf\uff0c\u540c\u65f6\u4e0d\u5360\u7528\u592a\u591a\u7684\u5185\u5bb9\u7a7a\u95f4\uff0c\u4f7f\u7528\u4e5f\u5341\u5206\u65b9\u4fbf\u3002
\n\u54c8\u5e0c\u8868<\/strong>\u7684\u5b58\u50a8\u8fc7\u7a0b\u5982\u4e0b:<\/p>\n

    \n
  1. \u6839\u636e key \u8ba1\u7b97\u51fa\u5b83\u7684\u54c8\u5e0c\u503c h\u3002<\/li>\n
  2. \u5047\u8bbe\u7bb1\u5b50\u7684\u4e2a\u6570\u4e3a n\uff0c\u90a3\u4e48\u8fd9\u4e2a\u952e\u503c\u5bf9\u5e94\u8be5\u653e\u5728\u7b2c (h % n) \u4e2a\u7bb1\u5b50\u4e2d\u3002<\/li>\n
  3. \u5982\u679c\u8be5\u7bb1\u5b50\u4e2d\u5df2\u7ecf\u6709\u4e86\u952e\u503c\u5bf9\uff0c\u5c31\u4f7f\u7528\u5f00\u653e\u5bfb\u5740\u6cd5\u6216\u8005\u62c9\u94fe\u6cd5\u89e3\u51b3\u51b2\u7a81\u3002
    \n\u5728\u4f7f\u7528\u62c9\u94fe\u6cd5\u89e3\u51b3\u54c8\u5e0c\u51b2\u7a81\u65f6\uff0c\u6bcf\u4e2a\u7bb1\u5b50\u5176\u5b9e\u662f\u4e00\u4e2a\u94fe\u8868\uff0c\u5c5e\u4e8e\u540c\u4e00\u4e2a\u7bb1\u5b50\u7684\u6240\u6709\u952e\u503c\u5bf9\u90fd\u4f1a\u6392\u5217\u5728\u94fe\u8868\u4e2d\u3002<\/li>\n<\/ol>\n

    \u54c8\u5e0c\u8868\u8fd8\u6709\u4e00\u4e2a\u91cd\u8981\u7684\u5c5e\u6027: \u8d1f\u8f7d\u56e0\u5b50(load factor)\uff0c\u5b83\u7528\u6765\u8861\u91cf\u54c8\u5e0c\u8868\u7684 \u7a7a\/\u6ee1<\/strong> \u7a0b\u5ea6\uff0c\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u4e5f\u53ef\u4ee5\u4f53\u73b0\u67e5\u8be2\u7684\u6548\u7387\uff0c\u8ba1\u7b97\u516c\u5f0f\u4e3a:<\/p>\n

    \u8d1f\u8f7d\u56e0\u5b50 = \u603b\u952e\u503c\u5bf9\u6570 \/ \u7bb1\u5b50\u4e2a\u6570<\/h5>\n

    \u8d1f\u8f7d\u56e0\u5b50\u8d8a\u5927\uff0c\u610f\u5473\u7740\u54c8\u5e0c\u8868\u8d8a\u6ee1\uff0c\u8d8a\u5bb9\u6613\u5bfc\u81f4\u51b2\u7a81\uff0c\u6027\u80fd\u4e5f\u5c31\u8d8a\u4f4e\u3002\u56e0\u6b64\uff0c\u4e00\u822c\u6765\u8bf4\uff0c\u5f53\u8d1f\u8f7d\u56e0\u5b50\u5927\u4e8e\u67d0\u4e2a\u5e38\u6570(\u53ef\u80fd\u662f 1\uff0c\u6216\u8005 0.75 \u7b49)\u65f6\uff0c\u54c8\u5e0c\u8868\u5c06\u81ea\u52a8\u6269\u5bb9\u3002<\/p>\n

    \u54c8\u5e0c\u8868\u5728\u81ea\u52a8\u6269\u5bb9\u65f6\uff0c\u4e00\u822c\u4f1a\u521b\u5efa\u4e24\u500d\u4e8e\u539f\u6765\u4e2a\u6570\u7684\u7bb1\u5b50\uff0c\u56e0\u6b64\u5373\u4f7f key \u7684\u54c8\u5e0c\u503c\u4e0d\u53d8\uff0c\u5bf9\u7bb1\u5b50\u4e2a\u6570\u53d6\u4f59\u7684\u7ed3\u679c\u4e5f\u4f1a\u53d1\u751f\u6539\u53d8\uff0c\u56e0\u6b64\u6240\u6709\u952e\u503c\u5bf9\u7684\u5b58\u653e\u4f4d\u7f6e\u90fd\u6709\u53ef\u80fd\u53d1\u751f\u6539\u53d8\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u4e5f\u79f0\u4e3a\u91cd\u54c8\u5e0c(rehash)\u3002<\/p>\n

    \u54c8\u5e0c\u8868\u7684\u6269\u5bb9\u5e76\u4e0d\u603b\u662f\u80fd\u591f\u6709\u6548\u89e3\u51b3\u8d1f\u8f7d\u56e0\u5b50\u8fc7\u5927\u7684\u95ee\u9898\u3002\u5047\u8bbe\u6240\u6709 key \u7684\u54c8\u5e0c\u503c\u90fd\u4e00\u6837\uff0c\u90a3\u4e48\u5373\u4f7f\u6269\u5bb9\u4ee5\u540e\u4ed6\u4eec\u7684\u4f4d\u7f6e\u4e5f\u4e0d\u4f1a\u53d8\u5316\u3002\u867d\u7136\u8d1f\u8f7d\u56e0\u5b50\u4f1a\u964d\u4f4e\uff0c\u4f46\u5b9e\u9645\u5b58\u50a8\u5728\u6bcf\u4e2a\u7bb1\u5b50\u4e2d\u7684\u94fe\u8868\u957f\u5ea6\u5e76\u4e0d\u53d1\u751f\u6539\u53d8\uff0c\u56e0\u6b64\u4e5f\u5c31\u4e0d\u80fd\u63d0\u9ad8\u54c8\u5e0c\u8868\u7684\u67e5\u8be2\u6027\u80fd\u3002<\/p>\n

    \u57fa\u4e8e\u4ee5\u4e0a\u603b\u7ed3\uff0c\u7ec6\u5fc3\u7684\u8bfb\u8005\u53ef\u80fd\u4f1a\u53d1\u73b0\u54c8\u5e0c\u8868\u7684\u4e24\u4e2a\u95ee\u9898:<\/p>\n

      \n
    1. \u5982\u679c\u54c8\u5e0c\u8868\u4e2d\u672c\u6765\u7bb1\u5b50\u5c31\u6bd4\u8f83\u591a\uff0c\u6269\u5bb9\u65f6\u9700\u8981\u91cd\u65b0\u54c8\u5e0c\u5e76\u79fb\u52a8\u6570\u636e\uff0c\u6027\u80fd\u5f71\u54cd\u8f83\u5927\u3002<\/li>\n
    2. \u5982\u679c\u54c8\u5e0c\u51fd\u6570\u8bbe\u8ba1\u4e0d\u5408\u7406\uff0c\u54c8\u5e0c\u8868\u5728\u6781\u7aef\u60c5\u51b5\u4e0b\u4f1a\u53d8\u6210\u7ebf\u6027\u8868\uff0c\u6027\u80fd\u6781\u4f4e\u3002<\/li>\n<\/ol>\n

      skip list\uff08\u8df3\u8868\uff09<\/h3>\n

      \u8df3\u8868(skip list) \u5bf9\u6807\u7684\u662f\u5e73\u8861\u6811(AVL Tree)\uff0c\u662f\u4e00\u79cd \u63d2\u5165\/\u5220\u9664\/\u641c\u7d22 \u90fd\u662f O(log n) \u7684\u6570\u636e\u7ed3\u6784\u3002\u5b83\u6700\u5927\u7684\u4f18\u52bf\u662f\u539f\u7406\u7b80\u5355\u3001\u5bb9\u6613\u5b9e\u73b0\u3001\u65b9\u4fbf\u6269\u5c55\u3001\u6548\u7387\u66f4\u9ad8\u3002\u56e0\u6b64\u5728\u4e00\u4e9b\u70ed\u95e8\u7684\u9879\u76ee\u91cc\u7528\u6765\u66ff\u4ee3\u5e73\u8861\u6811\uff0c\u5982 redis, leveldb \u7b49\u3002<\/p>\n

      \u8df3\u8868\u7684\u57fa\u672c\u601d\u60f3<\/h4>\n

      \u9996\u5148\uff0c\u8df3\u8868\u5904\u7406\u7684\u662f\u6709\u5e8f\u7684\u94fe\u8868\uff08\u4e00\u822c\u662f\u53cc\u5411\u94fe\u8868\uff0c\u4e0b\u56fe\u672a\u8868\u793a\u53cc\u5411\uff09\uff0c\u5982\u4e0b\uff1a
      \n\"\"<\/p>\n

      \u8fd9\u4e2a\u94fe\u8868\u4e2d\uff0c\u5982\u679c\u8981\u641c\u7d22\u4e00\u4e2a\u6570\uff0c\u9700\u8981\u4ece\u5934\u5230\u5c3e\u6bd4\u8f83\u6bcf\u4e2a\u5143\u7d20\u662f\u5426\u5339\u914d\uff0c\u76f4\u5230\u627e\u5230\u5339\u914d\u7684\u6570\u4e3a\u6b62\uff0c\u5373\u65f6\u95f4\u590d\u6742\u5ea6\u662f O(n)\u3002\u540c\u7406\uff0c\u63d2\u5165\u4e00\u4e2a\u6570\u5e76\u4fdd\u6301\u94fe\u8868\u6709\u5e8f\uff0c\u9700\u8981\u5148\u627e\u5230\u5408\u9002\u7684\u63d2\u5165\u4f4d\u7f6e\uff0c\u518d\u6267\u884c\u63d2\u5165\uff0c\u603b\u8ba1\u4e5f\u662f O(n) \u7684\u65f6\u95f4\u3002<\/p>\n

      \u90a3\u4e48\u5982\u4f55\u63d0\u9ad8\u641c\u7d22\u7684\u901f\u5ea6\u5462\uff1f\u5f88\u7b80\u5355\uff0c\u505a\u4e2a\u7d22\u5f15\uff1a
      \n\"\"
      \n\u5982\u4e0a\u56fe\uff0c\u6211\u4eec\u65b0\u521b\u5efa\u4e00\u4e2a\u94fe\u8868\uff0c\u5b83\u5305\u542b\u7684\u5143\u7d20\u4e3a\u524d\u4e00\u4e2a\u94fe\u8868\u7684\u5076\u6570\u4e2a\u5143\u7d20\u3002\u8fd9\u6837\u5728\u641c\u7d22\u4e00\u4e2a\u5143\u7d20\u65f6\uff0c\u6211\u4eec\u5148\u5728\u4e0a\u5c42\u94fe\u8868\u8fdb\u884c\u641c\u7d22\uff0c\u5f53\u5143\u7d20\u672a\u627e\u5230\u65f6\u518d\u5230\u4e0b\u5c42\u94fe\u8868\u4e2d\u641c\u7d22\u3002\u4f8b\u5982\u641c\u7d22\u6570\u5b57 19 \u65f6\u7684\u8def\u5f84\u5982\u4e0b\u56fe\uff1a
      \n\"\"
      \n\u5148\u5728\u4e0a\u5c42\u4e2d\u641c\u7d22\uff0c\u5230\u8fbe\u8282\u70b9 17 \u65f6\u53d1\u73b0\u4e0b\u4e00\u4e2a\u8282\u70b9\u4e3a 21\uff0c\u5df2\u7ecf\u5927\u4e8e 19\uff0c\u4e8e\u662f\u8f6c\u5230\u4e0b\u4e00\u5c42\u641c\u7d22\uff0c\u627e\u5230\u7684\u76ee\u6807\u6570\u5b57 19\u3002<\/p>\n

      \u6211\u4eec\u77e5\u9053\u4e0a\u5c42\u7684\u8282\u70b9\u6570\u76ee\u4e3a n\/2\uff0c\u56e0\u6b64\uff0c\u6709\u4e86\u8fd9\u5c42\u7d22\u5f15\uff0c\u6211\u4eec\u641c\u7d22\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u964d\u4e3a\u4e86\uff1aO(n\/2)\u3002\u540c\u7406\uff0c\u6211\u4eec\u53ef\u4ee5\u4e0d\u65ad\u5730\u589e\u52a0\u5c42\u6570\uff0c\u6765\u51cf\u5c11\u641c\u7d22\u7684\u65f6\u95f4\uff1a
      \n\"\"
      \n\u5728\u4e0a\u9762\u7684 4 \u5c42\u94fe\u8868\u4e2d\u641c\u7d22 25\uff0c\u5728\u6700\u4e0a\u5c42\u641c\u7d22\u65f6\u5c31\u53ef\u4ee5\u76f4\u63a5\u8df3\u8fc7 21 \u4e4b\u524d\u7684\u6240\u6709\u8282\u70b9\uff0c\u56e0\u6b64\u5341\u5206\u9ad8\u6548\u3002<\/p>\n

      \u66f4\u4e00\u822c\u5730\uff0c\u5982\u679c\u6709 k \u5c42\uff0c\u6211\u4eec\u9700\u8981\u7684\u641c\u7d22\u6b21\u6570\u4f1a\u5c0f\u4e8e \u2308n2k\u2309+k \uff0c\u8fd9\u6837\u5f53\u5c42\u6570 k \u589e\u52a0\u5230 \u2308log2n\u2309 \u65f6\uff0c\u641c\u7d22\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u5c31\u53d8\u6210\u4e86 logn\u3002\u5176\u5b9e\u8fd9\u80cc\u540e\u7684\u539f\u7406\u548c\u4e8c\u53c9\u641c\u7d22\u6811\u6216\u4e8c\u5206\u67e5\u627e\u5f88\u7c7b\u4f3c\uff0c\u901a\u8fc7\u7d22\u5f15\u6765\u8df3\u8fc7\u5927\u91cf\u7684\u8282\u70b9\uff0c\u4ece\u800c\u63d0\u9ad8\u641c\u7d22\u6548\u7387\u3002<\/p>\n

      \u8df3\u8868<\/h4>\n

      \u4e0a\u8282\u7684\u7ed3\u6784\u662f\u201c\u9759\u6001\u201d\u7684\uff0c\u5373\u6211\u4eec\u5148\u62e5\u6709\u4e86\u4e00\u4e2a\u94fe\u8868\uff0c\u518d\u5728\u4e4b\u4e0a\u5efa\u4e86\u591a\u5c42\u7684\u7d22\u5f15\u3002\u4f46\u662f\u5728\u5b9e\u9645\u4f7f\u7528\u4e2d\uff0c\u6211\u4eec\u7684\u94fe\u8868\u662f\u901a\u8fc7\u591a\u6b21\u63d2\u5165\/\u5220\u9664\u5f62\u6210\u7684\uff0c\u6362\u53e5\u8bdd\u8bf4\u662f\u201c\u52a8\u6001\u201d\u7684\u3002\u4e0a\u8282\u7684\u7ed3\u6784\u8981\u6c42\u4e0a\u5c42\u76f8\u90bb\u8282\u70b9\u4e0e\u5bf9\u5e94\u4e0b\u5c42\u8282\u70b9\u95f4\u7684\u4e2a\u6570\u6bd4\u662f 1:2\uff0c\u968f\u610f\u63d2\u5165\/\u5220\u9664\u4e00\u4e2a\u8282\u70b9\uff0c\u8fd9\u4e2a\u8981\u6c42\u5c31\u88ab\u88ab\u7834\u574f\u4e86\u3002<\/p>\n

      \u56e0\u6b64\u8df3\u8868\uff08skip list\uff09\u8868\u793a\uff0c\u6211\u4eec\u5c31\u4e0d\u5f3a\u5236\u8981\u6c42 1:2 \u4e86\uff0c\u4e00\u4e2a\u8282\u70b9\u8981\u4e0d\u8981\u88ab\u7d22\u5f15\uff0c\u5efa\u51e0\u5c42\u7684\u7d22\u5f15\uff0c\u90fd\u5728\u8282\u70b9\u63d2\u5165\u65f6\u7531\u629b\u786c\u5e01\u51b3\u5b9a\u3002\u5f53\u7136\uff0c\u867d\u7136\u7d22\u5f15\u7684\u8282\u70b9\u3001\u7d22\u5f15\u7684\u5c42\u6570\u662f\u968f\u673a\u7684\uff0c\u4e3a\u4e86\u4fdd\u8bc1\u641c\u7d22\u7684\u6548\u7387\uff0c\u8981\u5927\u81f4\u4fdd\u8bc1\u6bcf\u5c42\u7684\u8282\u70b9\u6570\u76ee\u4e0e\u4e0a\u8282\u7684\u7ed3\u6784\u76f8\u5f53\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u968f\u673a\u751f\u6210\u7684\u8df3\u8868\uff1a<\/p>\n

      \"\"
      \n\u53ef\u4ee5\u770b\u5230\u5b83\u6bcf\u5c42\u7684\u8282\u70b9\u6570\u8fd8\u548c\u4e0a\u8282\u7684\u7ed3\u6784\u5dee\u4e0d\u591a\uff0c\u4f46\u662f\u4e0a\u4e0b\u5c42\u7684\u8282\u70b9\u7684\u5bf9\u5e94\u5173\u7cfb\u5df2\u7ecf\u5b8c\u5168\u88ab\u6253\u7834\u4e86\u3002<\/p>\n

      \u73b0\u5728\u5047\u8bbe\u8282\u70b9 17 \u662f\u6700\u540e\u63d2\u5165\u7684\uff0c\u5728\u63d2\u5165\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u641c\u7d22\u5f97\u5230\u63d2\u5165\u7684\u4f4d\u7f6e\uff1a<\/p>\n

      \"\"
      \n\u63a5\u7740\uff0c\u629b\u786c\u5e01\u51b3\u5b9a\u8981\u5efa\u7acb\u51e0\u5c42\u7684\u7d22\u5f15\uff0c\u4f2a\u4ee3\u7801\u5982\u4e0b\uff1a
      \n“`
      \nrandomLevel()
      \n lvl := 1
      \n — random() that returns a random value in [0…1)
      \n while random() < p and lvl < MaxLevel do
      \n lvl := lvl + 1
      \n return lvl
      \n““
      \n\u4e0a\u9762\u7684\u4f2a\u4ee3\u7801\u76f8\u5f53\u4e8e\u629b\u786c\u5e01\uff0c\u5982\u679c\u662f\u6b63\u9762\uff08random() < p\uff09\u5219\u5c42\u6570\u52a0\u4e00\uff0c\u76f4\u5230\u629b\u51fa\u53cd\u9762\u4e3a\u6b62\u3002\u5176\u4e2d\u7684 MaxLevel \u662f\u9632\u6b62\u5982\u679c\u8fd0\u6c14\u592a\u597d\uff0c\u5c42\u6570\u5c31\u4f1a\u592a\u9ad8\uff0c\u800c\u592a\u9ad8\u7684\u5c42\u6570\u5f80\u5f80\u5e76\u4e0d\u4f1a\u63d0\u4f9b\u989d\u5916\u7684\u6027\u80fd\uff0c\u4e00\u822c MaxLevel=log1\/pn\u3002\u73b0\u5728\u5047\u8bbe randomLevel \u8fd4\u56de\u7684\u7ed3\u679c\u662f 2\uff0c\u90a3\u4e48\u5c31\u5f97\u5230\u4e0b\u9762\u7684\u7ed3\u679c\u3002
      \n\"\"
      \n\u5982\u679c\u8981\u5220\u9664\u8282\u70b9\uff0c\u5219\u628a\u8282\u70b9\u548c\u5bf9\u5e94\u7684\u6240\u6709\u7d22\u5f15\u8282\u70b9\u5168\u90e8\u5220\u9664\u5373\u53ef\u3002\u5f53\u7136\uff0c\u8981\u5220\u9664\u8282\u70b9\u65f6\u9700\u8981\u5148\u641c\u7d22\u5f97\u5230\u8be5\u8282\u70b9\uff0c\u641c\u7d22\u8fc7\u7a0b\u4e2d\u53ef\u4ee5\u628a\u8def\u5f84\u8bb0\u5f55\u4e0b\u6765\uff0c\u8fd9\u6837\u5220\u9664\u7d22\u5f15\u5c42\u8282\u70b9\u7684\u65f6\u5019\u5c31\u4e0d\u9700\u8981\u591a\u6b21\u641c\u7d22\u4e86\u3002<\/p>\n

      \u663e\u7136\uff0c\u5728\u6700\u574f\u7684\u60c5\u51b5\u4e0b\uff0c\u6240\u6709\u8282\u70b9\u90fd\u6ca1\u6709\u521b\u5efa\u7d22\u5f15\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(n)\uff0c\u4f46\u5728\u5e73\u5747\u60c5\u51b5\u4e0b\uff0c\u641c\u7d22\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u5374\u662f O(logn)\uff0c\u4e3a\u4ec0\u4e48\u5462\uff1f<\/p>\n","protected":false},"excerpt":{"rendered":"

      queue\uff08\u961f\u5217\uff09 \u5148\u8fdb\u5148\u51fa stack\uff08\u6808\uff09 \u540e\u8fdb\u5148\u51fa heap\uff08\u5806\uff09 \u5b8c\u5168\u4e8c\u53c9\u6811 hash table\uff08\u54c8 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[15],"tags":[408],"class_list":["post-1006","post","type-post","status-publish","format-standard","hentry","category-15","tag-408"],"_links":{"self":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/1006","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1006"}],"version-history":[{"count":6,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/1006\/revisions"}],"predecessor-version":[{"id":1012,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/1006\/revisions\/1012"}],"wp:attachment":[{"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1006"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1006"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wyxxt.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1006"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}