10.5 If you were designing a web crawler, how would you avoid getting into infinite loops?这道题问如果让我们设计一个网络爬虫,怎么样才能避免进入无限循环。那么何谓无限循环呢,如果我们将网络看做一个图Graph,...
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Web程序 时间:
2015-10-09 00:34:16
阅读次数:
245
原题链接:http://acm.hdu.edu.cn/showproblem.php?pid=4034题意:给你一个最短路的表,让你还原整个图,并使得边最少题解:这样想。。这个表示通过floyd得到的,那么如果从u到v没有小于等于边(u,v)的路径,那么边(u,v)就是必须的,否则从u到v需要走更远...
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其他好文 时间:
2015-10-08 12:58:48
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128
DescriptionGiven an undirected graph, in which two vertices can be connected by multiple edges, what is the size of the minimum cut of the graph? i.e....
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其他好文 时间:
2015-10-08 10:20:24
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224
The Bottom of a GraphTime Limit:3000MSMemory Limit:65536KTotal Submissions:9641Accepted:4008DescriptionWe will use the following (standard) definition...
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其他好文 时间:
2015-10-07 22:42:06
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298
Write a program to solve a Sudoku puzzle by filling the empty cells.Empty cells are indicated by the character'.'.You may assume that there will be on...
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其他好文 时间:
2015-10-06 14:04:44
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237
Follow up for N-Queens problem.Now, instead outputting board configurations, return the total number of distinct solutions.class Solution {public: ...
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其他好文 时间:
2015-10-06 12:56:18
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205
Then-queens puzzle is the problem of placingnqueens on ann×nchessboard such that no two queens attack each other.Given an integern, return all distinc...
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其他好文 时间:
2015-10-06 12:54:25
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221
最小生成树-Prim算法和Kruskal算法Prim算法1.概览普里姆算法(Prim算法),图论中的一种算法,可在加权连通图里搜索最小生成树。意即由此算法搜索到的边子集所构成的树中,不但包括了连通图里的所有顶点(英语:Vertex (graph theory)),且其所有边的权值之和亦为最小。该算法...
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编程语言 时间:
2015-10-05 16:56:01
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315
Given amxngrid filled with non-negative numbers, find a path from top left to bottom right whichminimizesthe sum of all numbers along its path.Note:Yo...
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其他好文 时间:
2015-10-04 19:35:26
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177
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 i...
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其他好文 时间:
2015-10-04 19:35:04
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129