Description
Problem H
Halum
Time Limit : 3 seconds
You are given a directed graph G(V,E) with a set of vertices and edges. Each edge (i,j) that connects some ...
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其他好文 时间:
2014-07-22 00:11:35
阅读次数:
225
Description
Problem H
Halum
Time Limit : 3 seconds
You are given a directed graph G(V,E) with a set of vertices and edges. Each edge (i,j) that connects some ...
分类:
其他好文 时间:
2014-07-22 00:08:34
阅读次数:
307
点击打开链接
题意:给你一张N个节点的无向图,然后给出M条边,给出第 I 条边到第J条边的距离。然后问你是否存在子环,如果存在,则输出最成环的最短距离和
解析:构图:选定源点及汇点,然后将源点至个点流量置为1,花费置为0.然后使用最小费用流,当返回值流量和,即flow
其余和tour一样求法,处理一下某两点距离为最短距离即可。
#include
#include
#include
#...
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其他好文 时间:
2014-07-21 22:28:07
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251
题目如下:
Problem D
Fill
There are three jugs with a volume of a, b and c liters. (a,b, and c are positive integers not greater than 200). The first and the secondjug are initially empty, wh...
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其他好文 时间:
2014-07-21 11:32:15
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253
本文出自:http://blog.csdn.net/svitter
分析:vector是STL模板中的容器。可以利用其性质来构建邻接表。
定义:
#include
#define MAXN 10000
//max n of a tree or graph
//if is a tree, n / 2 is OK ;
using namespace std;
typedef ve...
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其他好文 时间:
2014-07-21 11:27:55
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228
The Unique MSTTime Limit:1000MSMemory Limit:10000KTotal Submissions:19847Accepted:6959DescriptionGiven a connected undirected graph, tell if its minim...
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其他好文 时间:
2014-07-21 00:23:08
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303
Clone an undirected graph. Each node in the graph contains alabeland a list of itsneighbors.OJ's undirected graph serialization:Nodes are labeled uniq...
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其他好文 时间:
2014-07-19 12:11:53
阅读次数:
238
题目如下:
Graph Coloring
You are to write a program that tries to find an optimal coloring for agiven graph. Colors are applied to the nodes of the graph and the only availablec...
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其他好文 时间:
2014-07-19 02:35:06
阅读次数:
210
题目如下:
Bandwidth
Given a graph (V,E) where V is a set of nodes and E is a set of arcsin VxV, and an
ordering on the elements in V, then the bandwidth of a node
v is defined as...
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其他好文 时间:
2014-07-19 02:26:15
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206
Clone an undirected graph. Each node in the graph contains a label and a list of its neighbors.OJ's undirected graph serialization:Nodes are labeled u...
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其他好文 时间:
2014-07-19 00:05:00
阅读次数:
201