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leetCode 71.Simplify Path(化简路径) 解题思路和方法
Simplify Path Given an absolute path for a file (Unix-style), simplify it. For example, path = "/home/", => "/home" path = "/a/./b/../../c/", => "/c" click to show corner cases. Corner Cas...
分类:其他好文   时间:2015-07-17 18:55:42    阅读次数:113
LeetCode#223 Rectangle Area
Problem Definition:Find the total area covered by two rectilinear rectangles in a 2D plane.Each rectangle is defined by its bottom left corner and top...
分类:其他好文   时间:2015-07-16 18:54:07    阅读次数:119
smack 4.1.2+openfire 3.10.2i
openfire 和以往版本配置没有多大区别就不详细介绍了,网上搜会有一大堆的图解 下面主要说一下smack 4.1.2 的开发使用,在网上看了好多文章包括stackoverflow的都没有4.1以上的使用说明,同时我发现官方的一些说明好像和这个版本不对应,例如UseConnectionConfiguration#setReconnectionAllowed(boolean) to turn...
分类:系统相关   时间:2015-07-15 22:48:55    阅读次数:380
POJ2975|Nim|博弈论
DescriptionNim is a 2-player game featuring several piles of stones. Players alternate turns, and on his/her turn, a player’s move consists of removin...
分类:其他好文   时间:2015-07-15 22:32:52    阅读次数:132
Android布局实现圆角边框
首先,在res下面新建一个文件夹drawable,在drawable下面新建三个xml文件:shape_corner_down.xml、shape_corner_up.xml和shape_corner.xml,分别是下面两个角是圆角边框,上面两个角是圆角边框,四个角全部是圆角边框。shape_cor...
分类:移动开发   时间:2015-07-15 19:02:39    阅读次数:129
leetCode 62.Unique Paths (唯一路径) 解题思路和方法
A robot is located at the top-left corner of a m x n grid (marked 'Start' in the diagram below). The robot can only move either down or right at any point in time. The robot is trying to reach the ...
分类:其他好文   时间:2015-07-15 15:03:19    阅读次数:137
[LeetCode][JavaScript]Unique Paths
Unique PathsA robot is located at the top-left corner of amxngrid (marked 'Start' in the diagram below).The robot can only move either down or right a...
分类:编程语言   时间:2015-07-14 23:54:41    阅读次数:222
HDU 4869 Turn the pokers (2014 多校联合第一场 I)
HDOJ--4869--Turnthepokers【组合数学+快速幂】题意:有m张扑克,开始时全部正面朝下,你可以翻n次牌,每次可以翻xi张,翻拍规则就是正面朝下变背面朝下,反之亦然,问经过n次翻牌后牌的朝向有多少种情况。我们可以把正面朝上理解为1,反面朝上理解为0,那么可以理解为求01串的不同的组...
分类:其他好文   时间:2015-07-14 13:30:24    阅读次数:137
[leedcode 62] Unique Paths
A robot is located at the top-left corner of amxngrid (marked 'Start' in the diagram below).The robot can only move either down or right at any point ...
分类:其他好文   时间:2015-07-13 15:30:06    阅读次数:123
[LeetCode] Rectangle Area
Find the total area covered by tworectilinearrectangles in a2Dplane.Each rectangle is defined by its bottom left corner and top right corner as shown ...
分类:其他好文   时间:2015-07-12 20:05:23    阅读次数:110
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