{"id":1164,"date":"2023-07-26T22:17:36","date_gmt":"2023-07-26T14:17:36","guid":{"rendered":"https:\/\/zzhjiyin.tk\/?p=1164"},"modified":"2023-07-26T22:17:36","modified_gmt":"2023-07-26T14:17:36","slug":"%e3%80%90python%e3%80%91%e4%b8%8d%e8%a6%81%e7%8a%af%e8%bf%99%e4%b8%aa%e5%a4%a7o%e8%a1%a8%e7%a4%ba%e6%b3%95%e7%9a%84%e9%94%99%e8%af%af%ef%bc%81","status":"publish","type":"post","link":"https:\/\/zzhjiyin.tk\/?p=1164","title":{"rendered":"\u3010Python\u3011\u4e0d\u8981\u72af\u8fd9\u4e2a\u5927O\u8868\u793a\u6cd5\u7684\u9519\u8bef\uff01"},"content":{"rendered":"\n<iframe loading=\"lazy\" src=\"\/\/player.bilibili.com\/player.html?aid=488959534&#038;bvid=BV1qN411a7nR&#038;cid=1211148953&#038;page=1\" scrolling=\"no\" border=\"0\" frameborder=\"no\" framespacing=\"0\" allowfullscreen=\"true\" width=\"800\" height=\"600\"> <\/iframe>\n\n\n\n<p>Accidentally quadratic!<\/p>\n\n\n\n<p> \u4e0d\u8981\u6389\u5165\u8fd9\u4e2a\u5e38\u89c1\u7684\u5927O\u8868\u793a\u6cd5\u9519\u8bef\uff01Python\u7684\u8bed\u6cd5\u7b80\u6d01\u660e\u4e86\uff0c\u6709\u65f6\u5f88\u5bb9\u6613\u5ffd\u89c6\u50cf &#8220;in&#8221; \u8fd9\u6837\u7684\u7ec6\u8282\u5bf9\u6027\u80fd\u7684\u5f71\u54cd\u3002\u5373\u4f7f\u6027\u80fd\u4e0d\u662f\u60a8\u4f18\u5148\u8003\u8651\u7684\u4e8b\u9879\uff0c\u8fd9\u4e9b\u7ec6\u5fae\u4e4b\u5904\u7684\u6027\u80fd\u5f71\u54cd\u53ef\u80fd\u4f1a\u7d2f\u79ef\uff0c\u5bfc\u81f4\u610f\u5916\u7684\u7ed3\u679c\u3002 \u91cd\u8981\u6ce8\u610f\u4e8b\u9879\uff1a<\/p>\n\n\n\n<p> list_in \u548c set_in \u662f\u521b\u9020\u6027\u7684\u4f2a\u4ee3\u7801\uff0c\u5e76\u4e0d\u80fd\u5f88\u597d\u5730\u4ee3\u8868 CPython \u5728 C \u4e2d\u5b9e\u9645\u6267\u884c\u8fd9\u4e9b\u64cd\u4f5c\u7684\u65b9\u5f0f\u3002<\/p>\n\n\n\n<p> \u5728\u96c6\u5408(set)\u4e2d\uff0cx in set \u7684\u8fd0\u884c\u65f6\u95f4\u4e3a O(1)\uff0c\u4f46\u8fd9\u53d6\u51b3\u4e8e\u6709\u4e00\u4e2a\u826f\u597d\u7684\u54c8\u5e0c\u51fd\u6570\uff0c\u4f7f\u5f97\u5b9a\u4f4d x \u5e94\u8be5\u5728\u7684\u4f4d\u7f6e\u7684\u63a2\u6d4b\u662f O(1) \u7684\u3002<\/p>\n\n\n\n<p> Python\u5177\u6709\u53d8\u5bbd\u6574\u6570\uff0c\u56e0\u6b64\u770b\u4f3c\u5e38\u6570\u65f6\u95f4\u7684\u64cd\u4f5c\uff0c\u5982\u6574\u6570\u76f8\u52a0\u6216\u4e58\u4ee5\u6574\u6570\uff08\u4f8b\u5982 total += n\uff09\uff0c\u5728\u6280\u672f\u4e0a\u5e76\u4e0d\u662f\u6052\u5b9a\u65f6\u95f4\uff0c\u5982\u679c\u60a8\u7684\u6574\u6570\u53d8\u5f97\u8db3\u591f\u5927\uff0c\u60a8\u4f1a\u770b\u5230\u8fd9\u79cd\u5f71\u54cd\u3002<\/p>\n\n\n\n<p> \u6e90\u5730\u5740\uff1a<a href=\"https:\/\/youtu.be\/PXWL_Xzyrp4\">https:\/\/youtu.be\/PXWL_Xzyrp4<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Accidentally quadratic! \u4e0d\u8981\u6389\u5165\u8fd9\u4e2a\u5e38\u89c1\u7684\u5927O\u8868\u793a\u6cd5\u9519\u8bef\uff01Python\u7684\u8bed\u6cd5\u7b80\u6d01\u660e\u4e86\uff0c &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/zzhjiyin.tk\/?p=1164\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201c\u3010Python\u3011\u4e0d\u8981\u72af\u8fd9\u4e2a\u5927O\u8868\u793a\u6cd5\u7684\u9519\u8bef\uff01\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[58],"_links":{"self":[{"href":"https:\/\/zzhjiyin.tk\/index.php?rest_route=\/wp\/v2\/posts\/1164"}],"collection":[{"href":"https:\/\/zzhjiyin.tk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zzhjiyin.tk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zzhjiyin.tk\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zzhjiyin.tk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1164"}],"version-history":[{"count":1,"href":"https:\/\/zzhjiyin.tk\/index.php?rest_route=\/wp\/v2\/posts\/1164\/revisions"}],"predecessor-version":[{"id":1165,"href":"https:\/\/zzhjiyin.tk\/index.php?rest_route=\/wp\/v2\/posts\/1164\/revisions\/1165"}],"wp:attachment":[{"href":"https:\/\/zzhjiyin.tk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1164"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zzhjiyin.tk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1164"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zzhjiyin.tk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}