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leetcode------Unique Paths II
标题:Unique Paths II通过率:28%难度:中等Follow up for "Unique Paths":Now consider if some obstacles are added to the grids. How many unique paths would there be...
分类:其他好文   时间:2015-03-05 12:48:29    阅读次数:105
N-Queens II
N-Queens II问题:Follow up for N-Queens problem.Now, instead outputting board configurations, return the total number of distinct solutions思路: 典型的DFS方法+....
分类:其他好文   时间:2015-03-05 12:11:36    阅读次数:123
用node加redis实现follow,tag,feed系统
https://cnodejs.org/topic/53ad78f2c3ee0b5820f74298follow,tag,和feed系统都非常适合用redis来实现,以tag系统为例: 用户ltebean要给nodejs加一个标签amazing就是:sadd user:ltebean:tag:ama...
分类:其他好文   时间:2015-03-05 00:11:06    阅读次数:191
php脚本生成google play url的下载链接,下载apk并自动反编译后获取android版本号
需求: get the offer tracking link follow the redirect to get google play url Go to http://apps.evozi.com/apk-downloader/ Enter google play url Download....
分类:移动开发   时间:2015-03-04 12:41:05    阅读次数:673
【leetcode】Linked List Cycle II (middle)
Given a linked list, return the node where the cycle begins. If there is no cycle, returnnull.Follow up:Can you solve it without using extra space?思路:...
分类:其他好文   时间:2015-03-03 21:57:07    阅读次数:154
[LeetCode] Rotate Image
You are given annxn2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Follow up:Could you do this in-place?思路一:b[i][j] = a[n-1...
分类:其他好文   时间:2015-03-03 14:55:40    阅读次数:140
LeetCode --- 48. Rotate Image
题目链接:Rotate Image You are given an n x n 2D matrix representing an image. Rotate the image by 90 degrees (clockwise). Follow up: Could you do this in-place? 这道题的要求是将n*n的矩阵顺时针旋转90°,要求原地旋转,即不申请额外空间...
分类:其他好文   时间:2015-03-03 11:52:31    阅读次数:269
PAT1076. Forwards on Weibo
Weibo is known as the Chinese version of Twitter. One user on Weibo may have many followers, and may follow many other users as well. Hence a social n...
分类:其他好文   时间:2015-02-27 20:01:49    阅读次数:185
PAT 1076 Forwards on Weibo
Weibo is known as the Chinese version of Twitter. One user on Weibo may have many followers, and may follow many other users as well. Hence a social n...
分类:其他好文   时间:2015-02-27 16:54:57    阅读次数:102
Follow your heart
世界上最可怕的两个词,一个是执着,一个是认真。认真的人改变自己,执着的人改变命运。任何时候都别怕重来,每个看似低的起点,都是通往高峰的必经之路。不用抱怨那些不尽如人意,问问自己,你够努力了吗?转自人民日报的微博。—— www.vikilife.com
分类:其他好文   时间:2015-02-27 16:42:41    阅读次数:166
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