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94. Binary Tree Inorder Traversal - Medium
Given a binary tree, return the inorder traversal of its nodes' values. Example: Input: [1,null,2,3] 1 \ 2 / 3 Output: [1,3,2] Follow up: Recursive so ...
分类:其他好文   时间:2019-01-01 11:02:35    阅读次数:183
2019年新年祝福
2019新年计划 By sc+ 2021 Main{ 1做一个少话幽默的绅士(shut up! silly human beans) 2拿下至少一次年级第一 3文化课成绩不能出前十(好难啊) 4Ak掉noip,拿个省一(国一)就退役吧-心向noi,无奈菜。。 } Else important{ 5北 ...
分类:其他好文   时间:2018-12-31 21:53:54    阅读次数:237
20世纪最伟大的十大算法
发明十大算法的其中几位算法大师 一、1946 蒙特卡洛方法[1946: John von Neumann, Stan Ulam, and Nick Metropolis, all at the Los Alamos Scientific Laboratory, cook up the Metropo ...
分类:编程语言   时间:2018-12-31 19:46:41    阅读次数:216
centos7上mysql无法启动也没有日志
报错的原因就是 [root@localhost duanxinli]# journalctl -xe-- Subject: Unit mysqld.service has begun start-up-- Defined-By: systemd-- Support: http://lists.fre ...
分类:数据库   时间:2018-12-31 00:05:55    阅读次数:1479
微信小程序 - 上传图片组件
使用了ES8的async/await,注意正确导入“regenerate.js”的路径,使用说明在components/up-img/index.js 点击下载:图片上传组件 ...
分类:微信   时间:2018-12-30 15:36:06    阅读次数:408
112. Path Sum - Easy
Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum. N ...
分类:其他好文   时间:2018-12-30 10:40:31    阅读次数:196
OpenVswitch mirror 镜像功能
1 # 从int-br-eth1进入的包镜像一份给dummy0 2 # 现象:dummy0 可以抓到 int-br-eth1 进入的包 3 4 modprobe dummy 5 ip link set up dummy0 6 ovs-vsctl add-port br-int dummy0 7 8 ... ...
分类:其他好文   时间:2018-12-29 21:03:54    阅读次数:561
HDU 1010 Tempter of the Bone(dfs)
Problem Description The doggie found a bone in an ancient maze, which fascinated him a lot. However, when he picked it up, the maze began to shake, an ...
分类:其他好文   时间:2018-12-29 19:42:42    阅读次数:149
12C ORA-错误汇总18 ORA-57000 to ORA-65535 EXP-00000 to EXP-00114
ORA-57000: TimesTen IMDB error: string Cause: An error occurred during a TimesTen operation. Action: Look up the error code in the TimesTen error docu ...
分类:其他好文   时间:2018-12-29 18:34:03    阅读次数:388
107. Binary Tree Level Order Traversal II - Easy
Given a binary tree, return the bottom-up level order traversal of its nodes' values. (ie, from left to right, level by level from leaf to root). For ...
分类:其他好文   时间:2018-12-29 11:21:15    阅读次数:115
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