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Subsets II
Given a collection of integers that might contain duplicates,S, return all possible subsets.Note:Elements in a subset must be in non-descending order....
分类:其他好文   时间:2014-11-21 14:03:57    阅读次数:160
Subsets 集合子集 回溯
Given a set of distinct integers,S, return all possible subsets.Note:Elements in a subset must be in non-descending order.The solution set must not co...
分类:其他好文   时间:2014-11-21 01:17:47    阅读次数:293
Spiral Matrix II
Given an integern, generate a square matrix filled with elements from 1 ton2in spiral order.For example,Givenn=3,You should return the following matri...
分类:其他好文   时间:2014-11-20 23:21:17    阅读次数:256
Spiral Matrix
Given a matrix ofmxnelements (mrows,ncolumns), return all elements of the matrix in spiral order.For example,Given the following matrix:[ [ 1, 2, 3 ],...
分类:其他好文   时间:2014-11-20 21:42:11    阅读次数:156
调用ffmpeg的 libswscale.so实现图像格式转换及大小缩放
libswscale里面实现了各种图像格式的转换,以及图像大小的缩放功能。又做了相应指令集的优化,因此速度比自己写的格式转化C代码效率高一些。因为像素格式转换 和 图像大小缩放都是逐点计算的,各像素点之间没有依赖性,因此这两个操作可以合并一起来做。 1. 配置 ./configure --enable-shared 2. 编译 make。等待一阵子,就会生成libswscale.so等 3....
分类:其他好文   时间:2014-11-20 18:53:48    阅读次数:338
sybase_isql命令
登录: isql -Usa -Pykj123456 -Syaokj sybase数据库执行sql文件: isql -Usa -Pykj123456 -Syaokj -i create_table.sql -o test.log 清除缓存: dump tran master with no_log go dump transaction master with...
分类:数据库   时间:2014-11-20 13:50:14    阅读次数:219
Convert Sorted Array to Binary Search Tree转换成平衡二查搜索树
Given an array where elements are sorted in ascending order, convert it to a height balanced BST.二分递归转换Hide TagsTreeDepth-first Search/** * Definition...
分类:其他好文   时间:2014-11-20 13:40:54    阅读次数:171
Optimized Pagination using MySQL---reference
Dealing with large data sets makes it necessary to pick out only the newest or the hottest elements and not displaying everything. In order to have ol...
分类:数据库   时间:2014-11-20 11:38:12    阅读次数:163
做几个leetcode数组题二
1.Longest Consecutive Sequence Given an unsorted array of integers, find the length of the longest consecutive elements sequence. For example, Given [100, 4, 200, 1, 3, 2], The longest consecu...
分类:编程语言   时间:2014-11-19 22:27:00    阅读次数:447
poj 2601 Simple calculations
Simple calculations Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 6559   Accepted: 3291 Description There is a sequence of n+2 elements a0, a1, ..., an+1...
分类:其他好文   时间:2014-11-19 22:21:23    阅读次数:197
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