voidShortestPath(MTGraph G,intv) { //MTGraph是一个n顶点的带权有向图 EdgeData dist[G.n];//最短路径长度数组 intpath[G.n];//最短路径数组 intS[G.n];//最短路径顶点集合 for(inti=0;i<n;i++) { dist[i]=G.Edge[v][i];//dist 数组初始化 S[i]=0;//集合S初始化 if(i!=v &...
//初始化数据 ,采用推文中所选例子,加入了负权边 void init(){ label X0; X0.cost=0; X0.time=0; X0.node=0; vector X; X.push_back(X0); Q[0]=X; for (int i=0;i<N;i++) for(int j=0;j<N;j++) cost[i][j]=time[i][j]=-INF; cost[0][1]=2; time[0][1]=3; co...
const int V = 1e3; int h[V], dis[V][V]; void new_graph(Graph* g); bool Bellman_Ford(Graph* g, int s, int h[]); void Dijkstra(Graph* g, int s, int dis[], int tool); void Johnson(Graph* g) { new_graph(g); // bellman 预处理 for(int i=1; i<=V; ++i) { //...
This paper gives an O(△) time algorithm for finding the shortest path between any two nodes of the double-loop network.Liu HuanpingZhu YangongYang Yixian刘焕平朱延功杨义先电子科学学刊Liu Huan-Ping, Zhu Yan-Gong, Y ang Y-i Xian. An algorithm for find- ing the short est path in double...
来自 知网 喜欢 0 阅读量: 14 作者: Y Zhu 摘要: This paper introduces DD algorithm for searching the shortest path with the fewest nodes, which is based on Dijkstra Algorithm. The running time order of DD Algorithm is o(n~2) 关键词: graphs shortest path algorithm 年份: 1988 ...
Multi-objective shortest path problem (MOSP) is an extension of a traditional single objective shortest path problem that seeks for the efficient paths sat... K Ghoseiri,B Nadjari - 《Applied Soft Computing》 被引量: 152发表: 2010年 Labeling algorithms for multiple objective integer knapsack pro...
In this paper, we propose an efficient method for implementing Dijkstra's algorithm for the Single Source Shortest Path Problem (SSSPP) in a graph whose edges have positive length, and where there are few distinct edge lengths. The SSSPP is one of the most widely studied problems in theoreti...
The current paper presents a fuzzy-based Ant Colony Optimization (ACO) algorithm for solving shortest path problems with different types of fuzzy weights. The weights of the fuzzy paths involving different kinds of fuzzy arcs are approximated using the α-cut method. In addition, a signed ...
Efficient solution of the single source shortest path (SSSP) problem on road networks is an important requirement for numerous real-world applications. This paper introduces an algorithm for the SSSP problem using compression method. Owning to precomputing and storing all-pairs shortest path (APSP),...
SPFA算法是求解单源最短路径问题的一种算法,由理查德·贝尔曼(Richard Bellman) 和 莱斯特·福特 创立的。有时候这种算法也被称为 Moore-Bellman-Ford 算法,因为 Edward F. Moore 也为这个算法的发展做出了贡献。它的原理是对图进行V-1次松弛操作,得到所有可能的最短路径。其优于迪科斯彻算法的方面是边的权值可以...