Unique PathsTotal Accepted:45580Total Submissions:138958My SubmissionsQuestionSolutionA robot is located at the top-left corner of amxngrid (marked 'S...
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其他好文 时间：
2015-06-02 17:06:01
阅读次数：
107
In the 20×20 grid below, four numbers along a diagonal line have been marked in red.
08 02 22 97 38 15 00 40 00 75 04 05 07 78 52 12 50 77 91 08
49 49 99 40 17 81 18 57 60 87 17 40 98 43 69 48 04 56...
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其他好文 时间：
2015-05-30 18:17:36
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121
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 ...
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其他好文 时间：
2015-05-27 09:50:06
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131
题目：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 poi...
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其他好文 时间：
2015-05-26 17:55:51
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126
mysqldump: Got error: 145: Table 'wp_options' is marked as crashed and should be repaired when using LOCK TABLES错误如上所示。今天在给自己的wp网站搬家的时候，导出数据时发现导不出来，报了...
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数据库 时间：
2015-05-25 19:58:36
阅读次数：
993
1 Unique Paths
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 t...
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编程语言 时间：
2015-05-23 11:32:57
阅读次数：
234
乍一看，图和树或者二叉树很像，但是采用基于对象的方式来构建就会有问题，因为图可能会增长到非常大，用对象来表示就会使效率低下。
首先我们需要定义一个图的类，其中通过adj数组来表示邻接表，也就是与节点相关联的节点数组；marked数组则是用来表示该节点是否被访问过，是在深度优先搜索和广度优先搜索中用到的。
function Graph(v){//图类
this.vert...
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编程语言 时间：
2015-05-21 09:09:21
阅读次数：
135
UniquePathsTotalAccepted:44417TotalSubmissions:135663MySubmissionsQuestionSolutionArobotislocatedatthetop-leftcornerofamxngrid(marked‘Start‘inthediagrambelow).Therobotcanonlymoveeitherdownorrightatanypointintime.Therobotistryingtoreachthebottom-rightcornero..
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其他好文 时间：
2015-05-20 15:05:42
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168
An ACM-level problem because it involves "advanced maths". It should not be marked as "Moderate". Other than that, it is a medium level DP one.*Math m...
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其他好文 时间：
2015-05-19 12:19:54
阅读次数：
192
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 ...
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其他好文 时间：
2015-05-16 20:38:51
阅读次数：
145
