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leetcode - Binary Tree Level Order Traversal II
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 example: Given binary tree {3,9,20,#,#,15,7}, ...
分类:其他好文   时间:2014-10-03 19:41:45    阅读次数:189
SPOJ QTREE 375. Query on a tree
SPOJ Problem Set (classical) 375. Query on a tree Problem code: QTREE You are given a tree (an acyclic undirected connected graph) with N nodes, and edges numbered 1, 2, 3...N-1. We wi...
分类:其他好文   时间:2014-10-02 12:56:22    阅读次数:232
Swap Nodes in Pairs
[leetcode]Given a linked list, swap every two adjacent nodes and return its head....
分类:其他好文   时间:2014-10-02 10:53:52    阅读次数:162
[LeetCode]AddTwoNumbers
You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single ...
分类:其他好文   时间:2014-10-02 02:34:02    阅读次数:227
Reverse Nodes in k-Group
Given a linked list, reverse the nodes of a linked listkat a time and return its modified list.If the number of nodes is not a multiple ofkthen left-o...
分类:其他好文   时间:2014-10-01 19:55:31    阅读次数:122
Swap Nodes in Pairs
Given a linked list, swap every two adjacent nodes and return its head.For example,Given1->2->3->4, you should return the list as2->1->4->3.Your algor...
分类:其他好文   时间:2014-10-01 13:46:11    阅读次数:190
内核request_mem_region 和 ioremap的理解
request_mem_region仅仅是linux对IO内存的管理,意思指这块内存我已经占用了,别人就不要动了,也不能被swap出去。使用这些寄存器时,可以不调用request_mem_region,但这样的话就不能阻止别人对他的访问了。http://blog.csdn.net/skyflying...
分类:其他好文   时间:2014-10-01 10:16:01    阅读次数:195
Saving Key-Value Sets
If you have a relatively small collection of key-values that you'd like to save, you should use the SharedPreferences APIs. ASharedPreferences object points to a file containing key-value pairs an...
分类:其他好文   时间:2014-10-01 02:51:10    阅读次数:232
ACM POJ 1146 ID Codes
题目大意:输入一个字符串,输出它的下一个字典序排列。 字典序算法思想: 1.从右向左寻找字符串找出第一个a[i] 2.从右向左找出第一个大于a[j]的元素a[i]; 3.swap(a[i],a[j]) 4.将a[i]......到a[stelen(a)]倒序 5.输出a 代码如下: #include #include #include #include #include usin...
分类:其他好文   时间:2014-09-30 22:56:00    阅读次数:235
Linux初上手!
虚拟机Virtual Box装的Kali Linux,是Debian的发行版本,安装过程不说了,不是硬盘安装也没什么说的,由于是新手所以只有两个分区,一个【/】和一个【swap】 装好之后是xwindow的界面,可以登录,也可以ctrl+alt+F1~F6切换六个文字终端,需要注意的是文字终端登录时...
分类:系统相关   时间:2014-09-30 20:57:40    阅读次数:309
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