我对 Boost 库和 c++ 语言都很陌生。
我使用 Boost 创建了一个图,并添加了顶点和边,并在 graphviz 中输出了该图。
现在我想执行从一个顶点到图中所有其他顶点的广度优先和深度优先搜索。
结果应该是图中从起始顶点到其他顶点的最短路径。
如何在 Boost 中实现这一点?任何帮助,将不胜感激。
提前致谢。
我还添加了我的源代码供您参考。
#include "stdafx.h"
#include <iostream>
#include <boost/graph/adjacency_list.hpp>
#include <boost/graph/adjacency_list.hpp>
#include <boost/graph/breadth_first_search.hpp>
#include <boost/pending/indirect_cmp.hpp>
#include <boost/range/irange.hpp>
#include <boost/graph/graphviz.hpp>
int main()
{
using namespace std;
using namespace boost;
// Property types
typedef property<vertex_name_t, std::string,
property<vertex_index2_t, int> > VertexProperties;
// Graph type
typedef adjacency_list<vecS, vecS, undirectedS,
VertexProperties> Graph;
// Graph instance
Graph g;
// Property accessors
property_map<Graph, vertex_name_t>::type
profinet_name = get(vertex_name, g);
property_map<Graph, vertex_index2_t>::type
profinet_index2 = get(vertex_index2, g);
// Create the vertices
typedef graph_traits<Graph>::vertex_descriptor Vertex;
Vertex u1;
u1 = add_vertex(g);
profinet_name[u1] = "Profinet 1";
profinet_index2[u1] = 1;
Vertex u2;
u2 = add_vertex(g);
profinet_name[u2] = "Profinet 2";
profinet_index2[u2] = 2;
Vertex u3;
u3 = add_vertex(g);
profinet_name[u3] = "Profinet 3";
profinet_index2[u3] = 3;
Vertex u4;
u4 = add_vertex(g);
profinet_name[u4] = "Profinet 4";
profinet_index2[u4] = 4;
Vertex u5;
u5 = add_vertex(g);
profinet_name[u5] = "Profinet 5";
profinet_index2[u5] = 5;
Vertex u6;
u6 = add_vertex(g);
profinet_name[u6] = "Profinet 6";
profinet_index2[u6] = 6;
// Create the edges
typedef graph_traits<Graph>::edge_descriptor Edge;
Edge e1;
e1 = (add_edge(u1, u2, g)).first;
Edge e2;
e2 = add_edge(u1, u4, g).first;
Edge e3;
e3 = (add_edge(u1, u6, g)).first;
Edge e4;
e4 = (add_edge(u2, u3, g)).first;
Edge e5;
e5 = (add_edge(u2, u4, g)).first;
Edge e6;
e6 = (add_edge(u2, u5, g)).first;
Edge e7;
e7 = (add_edge(u3, u6, g)).first;
Edge e8;
e8 = (add_edge(u6, u5, g)).first;
Edge e9;
e9 = (add_edge(u5, u4, g)).first;
write_graphviz(cout, g);
return 0;
}