{"id":1521,"date":"2023-06-19T18:08:09","date_gmt":"2023-06-19T10:08:09","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/?p=1521"},"modified":"2023-06-19T18:08:09","modified_gmt":"2023-06-19T10:08:09","slug":"%e3%80%90%e7%ae%97%e6%b3%95%e9%a2%98%e8%a7%a3%e3%80%9110-%e5%88%a4%e6%96%ad%e9%93%be%e8%a1%a8%e6%98%af%e5%90%a6%e6%9c%89%e7%8e%af","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/%e7%ae%97%e6%b3%95\/%e3%80%90%e7%ae%97%e6%b3%95%e9%a2%98%e8%a7%a3%e3%80%9110-%e5%88%a4%e6%96%ad%e9%93%be%e8%a1%a8%e6%98%af%e5%90%a6%e6%9c%89%e7%8e%af\/","title":{"rendered":"\u3010\u7b97\u6cd5\u9898\u89e3\u301110. \u5224\u65ad\u94fe\u8868\u662f\u5426\u6709\u73af"},"content":{"rendered":"
\n
\n
\n
\n
\n
\n

\u8fd9\u662f\u4e00\u9053\u7b80\u5355\u9898\u3002<\/p>\n

\u9898\u76ee\u6765\u81ea\uff1ahttps:\/\/leetcode.cn\/problems\/linked-list-cycle\/description\/<\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n


<\/p>\n

\n
\n
\n
\n
\n
\n
\n
\n
\n
\n
\n
\n

\u9898\u76ee<\/span><\/strong><\/em><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n

\u7ed9\u4f60\u4e00\u4e2a\u94fe\u8868\u7684\u5934\u8282\u70b9 <\/span>head<\/span>\uff0c\u5224\u65ad\u94fe\u8868\u4e2d\u662f\u5426\u6709\u73af\u3002<\/span><\/p>\n

\u5982\u679c\u94fe\u8868\u4e2d\u6709\u67d0\u4e2a\u8282\u70b9\uff0c\u53ef\u4ee5\u901a\u8fc7\u8fde\u7eed\u8ddf\u8e2a <\/span>next<\/span> \u6307\u9488\u518d\u6b21\u5230\u8fbe\uff0c\u5219\u94fe\u8868\u4e2d\u5b58\u5728\u73af\u3002<\/span><\/p>\n

\u5982\u679c\u94fe\u8868\u4e2d\u5b58\u5728\u73af \uff0c\u5219\u8fd4\u56de <\/span>true<\/span>\u3002\u5426\u5219\uff0c\u8fd4\u56de <\/span>false<\/span>\u3002<\/span><\/p>\n


<\/span><\/p>\n

\u793a\u4f8b1:<\/strong><\/span><\/p>\n


<\/strong><\/p>\n

\n


<\/p>\n

\n
\u8f93\u5165\uff1ahead = [3<\/span>,2<\/span>,0<\/span>,-4<\/span>], pos = 1
\u8f93\u51fa\uff1atrue<\/span>
\u89e3\u91ca\uff1a\u94fe\u8868\u4e2d\u6709\u4e00\u4e2a\u73af\uff0c\u5176\u5c3e\u90e8\u8fde\u63a5\u5230\u7b2c\u4e8c\u4e2a\u8282\u70b9\u3002<\/code><\/pre>\n<\/section>\n

<\/p>\n
\u793a\u4f8b2:<\/strong><\/span><\/p>\n

<\/strong><\/span><\/p>\n

<\/strong><\/span><\/p>\n
\n
\u8f93\u5165\uff1ahead = [1<\/span>,2<\/span>], pos = 0<\/span>
\u8f93\u51fa\uff1atrue<\/span>
\u89e3\u91ca\uff1a\u94fe\u8868\u4e2d\u6709\u4e00\u4e2a\u73af\uff0c\u5176\u5c3e\u90e8\u8fde\u63a5\u5230\u7b2c\u4e00\u4e2a\u8282\u70b9\u3002<\/code><\/pre>\n<\/section>\n

<\/p>\n
\u793a\u4f8b3:<\/strong><\/span><\/p>\n

<\/strong><\/span><\/p>\n

<\/strong><\/span><\/p>\n
\n
\u8f93\u5165\uff1ahead = [1<\/span>], pos = -1<\/span>
\u8f93\u51fa\uff1afalse<\/span>
\u89e3\u91ca\uff1a\u94fe\u8868\u4e2d\u6ca1\u6709\u73af\u3002<\/code><\/pre>\n<\/section>\n<\/section>\n
\n
\n