{"id":427106,"date":"2021-04-14T02:29:59","date_gmt":"2021-04-13T18:29:59","guid":{"rendered":"http:\/\/4563.org\/?p=427106"},"modified":"2021-04-14T02:29:59","modified_gmt":"2021-04-13T18:29:59","slug":"n-%e7%9a%84-n-%e6%ac%a1%e5%b9%82%ef%bc%8c%e6%97%b6%e9%97%b4%e5%a4%8d%e6%9d%82%e5%ba%a6%e6%98%af%e5%a4%9a%e5%b0%91%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=427106","title":{"rendered":"n \u7684 n \u6b21\u5e42\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u662f\u591a\u5c11\uff1f"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  n \u7684 n \u6b21\u5e42\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u662f\u591a\u5c11\uff1f               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : liudaqi <\/span>  <span><i><\/i> 4<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\">                        O(n)\uff1f      <\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>8<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li data-pid=\"5654249\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : dingwen07 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u4e8c\u5206?                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5654250\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : securityCoding <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u5bf9\u7a7a\u95f4\u590d\u6742\u5ea6\u7684\u8981\u6c42\u662f\u4ec0\u4e48\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u662f\u8981\u6700 efficient \u7684\u5417\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5654251\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : Perry <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u6ca1\u592a\u770b\u660e\u767d\uff0c\u5faa\u73af n-1 \u6b21\uff0c\u6240\u4ee5\u662f O(n)\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5654252\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : rubytek <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u7528\u5feb\u901f\u5e42\uff0c\u65f6\u95f4\u590d\u6742\u5ea6 O(log\u2082N)                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5654253\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : hactrox <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u5feb\u901f\u5e42\u6700\u591a\u4e5f\u662f O(logn) \u554a                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5654254\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : Biggoldfish <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u5982\u679c\u662f\u8bf4\u8f93\u5165 N \u7684\u4e8c\u8fdb\u5236\u8868\u793a\uff0c\u8f93\u51fa N^N \u7684\u4e8c\u8fdb\u5236\u8868\u793a\uff0c\u5219\u65f6\u95f4\u590d\u6742\u5ea6\u662f 2^(n + Theta(log n)) \u5176\u4e2d n = log N \u4e3a\u8f93\u5165\u957f\u5ea6\u3002<br \/>\u7531\u4e8e\u7b54\u6848\u6709\u6307\u6570\u957f\u5ea6\uff0c\u7b97\u6cd5\u81f3\u5c11\u662f\u6307\u6570\u65f6\u95f4\uff0c\u5229\u7528\u5feb\u901f\u5e42\u548c Fourier \u53d8\u6362\u53ef\u4ee5\u505a\u5230\u524d\u8ff0\u65f6\u95f4\u590d\u6742\u5ea6\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5654255\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : geelaw <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             logn                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5654256\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : xiaoshuai1999 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @rubytek \u5927\u6570\u4e58\u6cd5\u4e0d\u662f O(1) \u7684                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>n \u7684 n \u6b21\u5e42\uff0c\u65f6\u95f4\u590d\u6742\u5ea6\u662f\u591a\u5c11&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/427106"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=427106"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/427106\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=427106"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=427106"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=427106"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}