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...
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其他好文 时间:
2015-03-05 12:48:29
阅读次数:
105
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+....
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其他好文 时间:
2015-03-05 12:11:36
阅读次数:
123
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...
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其他好文 时间:
2015-03-05 00:11:06
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191
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....
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移动开发 时间:
2015-03-04 12:41:05
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673
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:...
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其他好文 时间:
2015-03-03 21:57:07
阅读次数:
154
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...
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其他好文 时间:
2015-03-03 14:55:40
阅读次数:
140
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...
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其他好文 时间:
2015-03-03 11:52:31
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269
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...
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其他好文 时间:
2015-02-27 20:01:49
阅读次数:
185
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...
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其他好文 时间:
2015-02-27 16:54:57
阅读次数:
102
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
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其他好文 时间:
2015-02-27 16:42:41
阅读次数:
166