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bi_matching.c
资源名称:leda.tar.gz [点击查看]
上传用户:gzelex
上传日期:2007-01-07
资源大小:707k
文件大小:1k
源码类别:
数值算法/人工智能
开发平台:
MultiPlatform
- #include <LEDA/graph.h>
- #include <LEDA/graph_alg.h>
- main()
- {
- GRAPH<int,int> G;
- list<node> A,B;
- edge e;
- test_bigraph(G,A,B);
- edge_array<int> weight1(G);
- forall_edges(e,G) G[e] = weight1[e] = rand_int(0,1000);
- if (Yes("show graph? ")) G.print();
- float T = used_time();
- cout << "MAX_CARD_BIPARTITE MATCHING ";
- cout.flush();
- list<edge> M0 = MAX_CARD_BIPARTITE_MATCHING(G,A,B);
- cout << string("%5.2f sec |M| = %dn",used_time(T), M0.length());
- /*
- if (Yes("output ? "))
- { newline;
- forall(e,M0) { G.print_edge(e); newline; }
- newline;
- }
- */
- cout << "MAX_CARD_MATCHING ";
- cout.flush();
- list<edge> M1 = MAX_CARD_MATCHING(G);
- cout << string("%5.2f sec |M| = %dn",used_time(T), M1.length());
- /*
- if (Yes("output ? "))
- { newline;
- forall(e,M1) { G.print_edge(e); newline; }
- newline;
- }
- */
- newline;
- int w = 0;
- cout << "MAX_WEIGHT_BIPARTITE_MATCHING <int> ";
- cout.flush();
- list<edge> M2 = MAX_WEIGHT_BIPARTITE_MATCHING(G,A,B,weight1);
- forall(e,M2) w += weight1[e];
- cout << string("%5.2f sec W = %dn",used_time(T),w);
- double W = 0;
- edge_array<double> weight2(G);
- forall_edges(e,G) weight2[e] = weight1[e]/1000.0;
- cout << "MAX_WEIGHT_BIPARTITE_MATCHING <double> ";
- cout.flush();
- list<edge> M3 = MAX_WEIGHT_BIPARTITE_MATCHING(G,A,B,weight2);
- forall(e,M3) W += weight2[e];
- cout << string("%5.2f sec W = %.2fn",used_time(T),W);
- return 0;
- }