码迷,mamicode.com
首页 >  
搜索关键字:unique paths    ( 5916个结果
[leetcode]Unique Paths @ Python
原题地址:https://oj.leetcode.com/problems/unique-paths/题意:A robot is located at the top-left corner of amxngrid (marked 'Start' in the diagram below).The ...
分类:编程语言   时间:2014-06-15 23:37:55    阅读次数:311
[leetcode]Unique Paths II @ Python
原题地址:https://oj.leetcode.com/problems/unique-paths-ii/题意:Follow up for "Unique Paths":Now consider if some obstacles are added to the grids. How many ...
分类:编程语言   时间:2014-06-15 23:33:26    阅读次数:353
[leetcode]Permutation Sequence @ Python
原题地址:https://oj.leetcode.com/submissions/detail/5341904/题意:The set[1,2,3,…,n]contains a total ofn! unique permutations.By listing and labeling all of ...
分类:编程语言   时间:2014-06-15 21:33:16    阅读次数:270
索引的五种访问模式
1 index unique scan 效率最高,主键或唯一索引2 index fast full scan 读的最快,可以并行访问索引,但输出不按顺序3 index full scan 有顺序的输出,不能并行读索引。4 index range scan 在给定的区间查询5 index s...
分类:其他好文   时间:2014-06-15 19:41:17    阅读次数:169
搭建ORACLE10G DATA GUARD--->Physical Standby
下面是我自己搭建的Physical Standby,按照我下面的步骤一步一步做,肯定能搭建成功的,下面的搭建步骤可以作为一个Data Guard的搭建操作手册。...
分类:数据库   时间:2014-06-15 15:13:56    阅读次数:523
leetcode - Unique Binary Search Trees
题目:Unique Binary Search TreesGivenn, how many structurally uniqueBST's(binary search trees) that store values 1...n?For example,Givenn= 3, there are a...
分类:其他好文   时间:2014-06-15 13:16:53    阅读次数:202
android GridView加载图片,一张张显示
简单说下,获取SDcard里的图片或者视屏缩略图就不说了,网上很多,主要写下加载图片的方式,在Grideview的Adapter中getView()方法中定义: //异步加载图片,实现一张张显示 new LoadImageAsyctask(gridViewHold.icon).execute(paths[position]); class LoadImag...
分类:移动开发   时间:2014-06-15 08:12:31    阅读次数:193
Mysql技术内幕——表&索引算法和锁
表4.1、innodb存储引擎表类型innodb表类似oracle的IOT表(索引聚集表-indexorganized table),在innodb表中每张表都会有一个主键,如果在创建表时没有显示的定义主键则innodb如按照如下方式选择或者创建主键。首先表中是否有唯一非空索引(unique not...
分类:数据库   时间:2014-06-15 00:05:51    阅读次数:444
[LeetCode]3Sum,解题报告
题目 Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all unique triplets in the array which gives the sum of zero. Note: Elements in a triplet (a,b,c) ...
分类:其他好文   时间:2014-06-14 12:45:13    阅读次数:209
【Leetcode】Unique Paths II
Follow up for "Unique Paths": Now consider if some obstacles are added to the grids. How many unique paths would there be? An obstacle and empty space is marked as 1 and 0 respectively in the...
分类:其他好文   时间:2014-06-14 12:02:12    阅读次数:229
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!