您当前的位置：首页 > Python

【LeetCode Python实现】19. 删除链表的倒数第 N 个结点（中等）首次 99.5% +

不太灵光的程序员发布时间：2022-04-14 23:09:10 ，浏览量：4

文章目录

题目描述
示例 1：
示例 2：
示例 3：
提示：
参考代码

题目描述

给你一个链表，删除链表的倒数第 n 个结点，并且返回链表的头结点。

示例 1：

在这里插入图片描述

输入：head = [1,2,3


    
        
            
                
                
                    不太灵光的程序员
                    暂无认证
                
            
            
                
                    
                        4浏览
                        0关注
                        476博文
                        0收益
                    

                    
                        0浏览
                        0点赞
                        0打赏
                        0留言
                    
                
            
            
                私信
                关注
            

        
        
            热门博文
            
                python操作windows窗口获取窗口句柄
python操作Windows窗口程序
【华为机试真题 Python实现】统计文本数量
【华为机试真题 Python实现】N进制减法
【华为机试真题 Python实现】二叉树层序遍历（从后序与中序遍历序列构造二叉树）
【华为机试真题 Python实现】完全二叉树非叶子部分后序遍历
【华为机试真题 Python实现】服务失效判断
【华为机试真题 Python实现】竖直四子棋
【华为机试真题 Python实现】矩阵扩散
【华为机试真题 Python实现】图像物体的边界






    [ 申请 ]友情链接：
    
        快连vpn
        快连
        快连vpn
        搜外友链
        笔趣阁
        爱思助手
        ClashX教程
        绘画宝宝
        配音宝宝
    


    
        
            关于我们
            服务条款
            广告服务
            联系我们
            网站地图
            免责声明
            WAP
        
        技术支持：
            武汉快勤科技有限公司
            XML网站地图 
            备案号：鄂ICP备18027844号-9
            
        
    




    
        立即登录/注册
        
    
    
        
        微信扫码登录
    












	    基本
        文件
        流程
        错误
        SQL
        调试
    

		    
    
	请求信息 : 2025-08-19 00:38:37 HTTP/2.0 GET : /home/article/detail/id/417165.html
运行时间 : 0.0804s ( Load:0.0227s Init:0.0039s Exec:0.0408s Template:0.0130s )
吞吐率 : 12.44req/s
内存开销 : 1,924.73 kb
查询信息 : 18 queries 0 writes 
文件加载 : 36
缓存信息 : 5 gets 0 writes 
配置加载 : 132
会话信息 : SESSION_ID=ommer8sgepsn258rqmf14anuc2
    
    
        
    
	/www/wwwroot/www.chaojiit.com/index.php ( 1.30 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/ThinkPHP.php ( 4.71 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Think.class.php ( 12.32 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Storage.class.php ( 1.38 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Storage/Driver/File.class.php ( 3.56 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Mode/common.php ( 2.82 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Common/functions.php ( 51.07 KB )
/www/wwwroot/www.chaojiit.com/Application/Common/Common/function.php ( 6.83 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Hook.class.php ( 4.02 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/App.class.php ( 12.44 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Dispatcher.class.php ( 15.15 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Route.class.php ( 13.38 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Controller.class.php ( 10.95 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/View.class.php ( 7.96 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Behavior/BuildLiteBehavior.class.php ( 3.69 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Behavior/ParseTemplateBehavior.class.php ( 3.89 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Behavior/ContentReplaceBehavior.class.php ( 1.93 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Conf/convention.php ( 11.18 KB )
/www/wwwroot/www.chaojiit.com/Application/Common/Conf/config.php ( 1.81 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Lang/zh-cn.php ( 2.57 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Conf/debug.php ( 1.51 KB )
/www/wwwroot/www.chaojiit.com/Application/Home/Conf/config.php ( 0.05 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Behavior/ReadHtmlCacheBehavior.class.php ( 5.62 KB )
/www/wwwroot/www.chaojiit.com/Application/Home/Controller/ArticleController.class.php ( 6.71 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Model.class.php ( 67.27 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Db.class.php ( 5.70 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Db/Driver/Mysql.class.php ( 8.73 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Db/Driver.class.php ( 41.60 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Cache.class.php ( 3.84 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Cache/Driver/File.class.php ( 5.90 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Template.class.php ( 28.35 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Template/TagLib/Cx.class.php ( 22.62 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Template/TagLib.class.php ( 9.19 KB )
/www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php ( 14.59 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Behavior/WriteHtmlCacheBehavior.class.php ( 1.43 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Behavior/ShowPageTraceBehavior.class.php ( 5.27 KB )
    
    
        
    
	[ app_init ] --START--
Run Behavior\BuildLiteBehavior [ RunTime:0.000032s ]
[ app_init ] --END-- [ RunTime:0.000135s ]
[ app_begin ] --START--
Run Behavior\ReadHtmlCacheBehavior [ RunTime:0.001268s ]
[ app_begin ] --END-- [ RunTime:0.001732s ]
[ view_parse ] --START--
[ template_filter ] --START--
Run Behavior\ContentReplaceBehavior [ RunTime:0.000076s ]
[ template_filter ] --END-- [ RunTime:0.000123s ]
Run Behavior\ParseTemplateBehavior [ RunTime:0.010229s ]
[ view_parse ] --END-- [ RunTime:0.010293s ]
[ view_filter ] --START--
Run Behavior\WriteHtmlCacheBehavior [ RunTime:0.000317s ]
[ view_filter ] --END-- [ RunTime:0.000361s ]
[ app_end ] --START--
    
    
        
    
	[2] session_save_path(): open_basedir restriction in effect. File(/var/lib/php/session) is not within the allowed path(s): (/www/wwwroot/www.chaojiit.com/:/tmp/) /www/wwwroot/www.chaojiit.com/ThinkPHP/Common/functions.php 第 1239 行.
[8192] Array and string offset access syntax with curly braces is deprecated /www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Cache/Driver/File.class.php 第 59 行.
[8] Undefined variable: user /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 37 行.
[8] Undefined variable: user /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 98 行.
[8] Trying to access array offset on value of type null /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 98 行.
[8] Undefined variable: user /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 99 行.
[8] Trying to access array offset on value of type null /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 99 行.
[8] Undefined variable: pinglun_list /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 108 行.
    
    
        
    
	SHOW COLUMNS FROM `configuration` [ RunTime:0.0009s ]
SELECT `value` FROM `configuration` WHERE `name` = 'site_name' LIMIT 1   [ RunTime:0.0003s ]
SHOW COLUMNS FROM `menu` [ RunTime:0.0013s ]
SELECT * FROM `menu` WHERE `fid` = 0 AND `status` = 1  [ RunTime:0.0004s ]
SELECT * FROM `menu` WHERE `fid` = 1 AND `status` = 1  [ RunTime:0.0002s ]
SELECT * FROM `menu` WHERE `fid` = 2 AND `status` = 1  [ RunTime:0.0001s ]
SELECT * FROM `menu` WHERE `fid` = 3 AND `status` = 1  [ RunTime:0.0001s ]
SELECT * FROM `menu` WHERE `fid` = 4 AND `status` = 1  [ RunTime:0.0001s ]
SHOW COLUMNS FROM `article` [ RunTime:0.0013s ]
SELECT * FROM `article` WHERE `id` = 417165 LIMIT 1   [ RunTime:0.0007s ]
SHOW COLUMNS FROM `bloger` [ RunTime:0.0015s ]
SELECT * FROM `bloger` WHERE `id` = 708 LIMIT 1   [ RunTime:0.0004s ]
SELECT COUNT(*) AS tp_count FROM `article` WHERE `bloger_id` = 708 LIMIT 1   [ RunTime:0.0003s ]
SHOW COLUMNS FROM `article_content` [ RunTime:0.0010s ]
SELECT `content` FROM `article_content` WHERE `article_id` = 417165 LIMIT 1   [ RunTime:0.0013s ]
SHOW COLUMNS FROM `article_cate` [ RunTime:0.0012s ]
SELECT `name` FROM `article_cate` WHERE `id` = 6 LIMIT 1   [ RunTime:0.0003s ]
SELECT * FROM `article` WHERE `bloger_id` = 708 ORDER BY view_count desc LIMIT 0,10   [ RunTime:0.0003s ]
    
    
        
    
	    
    
    



0.0804s