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Kth Smallest Element in a BST
Given a binary search tree, write a functionkthSmallestto find thekth smallest element in it.Note:You may assume k is always valid, 1 ≤ k ≤ BST's tota...
分类:其他好文   时间:2015-07-23 13:47:56    阅读次数:90
Majority Element II
Given an integer array of sizen, find all elements that appear more than? n/3 ?times. The algorithm should run in linear time and in O(1) space.Hint:H...
分类:其他好文   时间:2015-07-23 13:41:41    阅读次数:103
Maximal Square
Given a 2D binary matrix filled with 0's and 1's, find the largest square containing all 1's and return its area.For example, given the following matr...
分类:其他好文   时间:2015-07-23 13:40:49    阅读次数:95
linux常用命令详解 (二)文件处理命令
◆ 文件处理命令:file、mkdir、grep、dd、find、mv、ls、diff、cat、ln;系统信息存放在文件里,文件与普通的公务文件类似。每个文件都有自己的名字、内容、存放地址及其它一些管理信息,如文件的用户、文件的大小等。文件可以是一封信、一个通讯录,或者是程序的源语句、程序的数据,甚...
分类:系统相关   时间:2015-07-23 13:26:31    阅读次数:207
[leedcode 120] Triangle
Given a triangle, find the minimum path sum from top to bottom. Each step you may move to adjacent numbers on the row below.For example, given the fol...
分类:其他好文   时间:2015-07-23 00:16:27    阅读次数:187
hdoj-1197-Specialized Four-Digit Numbers
Specialized Four-Digit Numbers Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 4963 Accepted Submission(s): 3587 Problem Description Find ...
分类:其他好文   时间:2015-07-22 22:57:43    阅读次数:118
hdu 1598 find the most comfortable road(并查集+枚举)
find the most comfortable road Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 4899    Accepted Submission(s): 2131 Problem Description ...
分类:其他好文   时间:2015-07-22 22:55:53    阅读次数:116
leetCode(47):Triangle
Given a triangle, find the minimum path sum from top to bottom. Each step you may move to adjacent numbers on the row below. For example, given the following triangle [ [2], [3,4], [...
分类:其他好文   时间:2015-07-22 20:56:27    阅读次数:105
ACM复合词
10391 Compound WordsYou are to find all the two-word compound words in a dictionary. A two-word compound word is a word in the dictionary that is the ...
分类:其他好文   时间:2015-07-22 20:52:09    阅读次数:98
<转>bash: qmake: command not found...
昨天发现qmake这个命令不能使用,查了一些资料,大部分都说是环境变量没有设置好: Qt默认安装是在 /opt/qt-xxxx/qt/bin 或者 /opt/qt-xxx/bin 下,实在不行就查找 updatedb; locate qmake 或者 find / -name qmake. 找到路径之后,在/etc/profile文件里添加下面几行语句: export QTDIR=/op...
分类:其他好文   时间:2015-07-22 18:45:08    阅读次数:125
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