{"id":38902,"date":"2023-12-11T14:45:50","date_gmt":"2023-12-11T06:45:50","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=38902"},"modified":"2023-12-11T14:45:50","modified_gmt":"2023-12-11T06:45:50","slug":"%e8%af%b7%e4%bd%a0%e8%b0%88%e8%b0%88%e5%a4%a7o%e7%ac%a6%e5%8f%b7big-o-notation%e5%b9%b6%e7%bb%99%e5%87%ba%e4%b8%8d%e5%90%8c%e6%95%b0%e6%8d%ae%e7%bb%93%e6%9e%84%e7%9a%84%e4%be%8b%e5%ad%90","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/11\/%e8%af%b7%e4%bd%a0%e8%b0%88%e8%b0%88%e5%a4%a7o%e7%ac%a6%e5%8f%b7big-o-notation%e5%b9%b6%e7%bb%99%e5%87%ba%e4%b8%8d%e5%90%8c%e6%95%b0%e6%8d%ae%e7%bb%93%e6%9e%84%e7%9a%84%e4%be%8b%e5%ad%90\/","title":{"rendered":"\u8bf7\u4f60\u8c08\u8c08\u5927O\u7b26\u53f7(big-O notation)\u5e76\u7ed9\u51fa\u4e0d\u540c\u6570\u636e\u7ed3\u6784\u7684\u4f8b\u5b50"},"content":{"rendered":"

“`” \u8003\u5bdf\u70b9\uff1aJAVA notation<\/p>\n

\u5927O\u7b26\u53f7\u63cf\u8ff0\u4e86\u5f53\u6570\u636e\u7ed3\u6784\u91cc\u9762\u7684\u5143\u7d20\u589e\u52a0\u7684\u65f6\u5019\uff0c\u7b97\u6cd5\u7684\u89c4\u6a21\u6216\u8005\u662f\u6027\u80fd\u5728\u6700\u574f\u7684\u573a\u666f\u4e0b\u6709\u591a\u4e48\u597d\u3002
\n\u5927O\u7b26\u53f7\u4e5f\u53ef\u7528\u6765\u63cf\u8ff0\u5176\u4ed6\u7684\u884c\u4e3a\uff0c\u6bd4\u5982\uff1a\u5185\u5b58\u6d88\u8017\u3002\u56e0\u4e3a\u96c6\u5408\u7c7b\u5b9e\u9645\u4e0a\u662f\u6570\u636e\u7ed3\u6784\uff0c\u6211\u4eec\u4e00\u822c\u4f7f\u7528\u5927O\u7b26\u53f7\u57fa\u4e8e\u65f6\u95f4\uff0c\u5185\u5b58\u548c\u6027\u80fd\u6765\u9009\u62e9\u6700\u597d\u7684\u5b9e\u73b0\u3002\u5927O\u7b26\u53f7\u53ef\u4ee5\u5bf9\u5927\u91cf\u6570\u636e\u7684\u6027\u80fd\u7ed9\u51fa\u4e00\u4e2a\u5f88\u597d\u7684\u8bf4\u660e\u3002<\/p>\n

\u540c\u65f6\uff0c\u5927O\u7b26\u53f7\u8868\u793a\u4e00\u4e2a\u7a0b\u5e8f\u8fd0\u884c\u65f6\u6240\u9700\u8981\u7684\u6e10\u8fdb\u65f6\u95f4\u590d\u6742\u5ea6\u4e0a\u754c\u3002<\/p>\n

\u5176\u51fd\u6570\u8868\u793a\u662f\uff1a<\/p>\n

\u5bf9\u4e8e\u51fd\u6570f(n),g(n),\u5982\u679c\u5b58\u5728\u4e00\u4e2a\u5e38\u6570c\uff0c\u4f7f\u5f97f(n)<=c*g(n),\u5219f(n)=O(g(n));<\/p>\n

\u5927O\u63cf\u8ff0\u5f53\u6570\u636e\u7ed3\u6784\u4e2d\u7684\u5143\u7d20\u589e\u52a0\u65f6\uff0c\u7b97\u6cd5\u7684\u89c4\u6a21\u548c\u6027\u80fd\u5728\u6700\u574f\u60c5\u666f\u4e0b\u6709\u591a\u597d\u3002<\/p>\n

\u5927O\u8fd8\u53ef\u4ee5\u63cf\u8ff0\u5176\u5b83\u884c\u4e3a\uff0c\u6bd4\u5982\u5185\u5b58\u6d88\u8017\u3002\u56e0\u4e3a\u96c6\u5408\u7c7b\u5b9e\u9645\u4e0a\u662f\u6570\u636e\u7ed3\u6784\uff0c\u56e0\u6b64\u6211\u4eec\u4e00\u822c\u4f7f\u7528\u5927O\u7b26\u53f7\u57fa\u4e8e\u65f6\u95f4\uff0c\u5185\u5b58\uff0c\u6027\u80fd\u9009\u62e9\u6700\u597d\u7684\u5b9e\u73b0\u3002\u5927O\u7b26\u53f7\u53ef\u4ee5\u5bf9\u5927\u91cf\u6570\u636e\u6027\u80fd\u7ed9\u4e88\u4e00\u4e2a\u5f88\u597d\u7684\u8bf4\u660e\u3002<\/p>\n

<pre><code> "“`
\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"

“`” \u8003\u5bdf\u70b9\uff1aJAVA notation \u5927O\u7b26\u53f7\u63cf\u8ff0\u4e86\u5f53\u6570\u636e\u7ed3\u6784\u91cc\u9762\u7684\u5143\u7d20\u589e\u52a0\u7684\u65f6 […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-38902","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/38902","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=38902"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/38902\/revisions"}],"predecessor-version":[{"id":38903,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/38902\/revisions\/38903"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=38902"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=38902"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=38902"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}