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marci@75
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#include <iostream>
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marci@75
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#include <vector>
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marci@75
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#include <string>
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marci@75
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marci@75
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#include <list_graph.hh>
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#include <bfs_iterator.hh>
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#include <graph_wrapper.h>
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marci@75
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alpar@107
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using namespace hugo;
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marci@158
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using std::cout;
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using std::endl;
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using std::string;
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marci@158
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template <typename Graph, typename NodeNameMap>
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class EdgeNameMap {
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Graph& graph;
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NodeNameMap& node_name_map;
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public:
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EdgeNameMap(Graph& _graph, NodeNameMap& _node_name_map) :
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graph(_graph), node_name_map(_node_name_map) { }
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string get(typename Graph::EdgeIt e) const {
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return
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(node_name_map.get(graph.tail(e))+"->"+node_name_map.get(graph.head(e)));
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}
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};
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marci@75
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marci@75
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int main (int, char*[])
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{
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marci@75
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typedef ListGraph::NodeIt NodeIt;
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typedef ListGraph::EdgeIt EdgeIt;
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//typedef ListGraph::EachNodeIt EachNodeIt;
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//typedef ListGraph::EachEdgeIt EachEdgeIt;
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//typedef ListGraph::OutEdgeIt OutEdgeIt;
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//typedef ListGraph::InEdgeIt InEdgeIt;
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//typedef ListGraph::SymEdgeIt SymEdgeIt;
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marci@75
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ListGraph G;
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NodeIt s=G.addNode();
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NodeIt v1=G.addNode();
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NodeIt v2=G.addNode();
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NodeIt v3=G.addNode();
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NodeIt v4=G.addNode();
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NodeIt t=G.addNode();
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ListGraph::NodeMap<string> node_name(G);
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node_name.set(s, "s");
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node_name.set(v1, "v1");
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node_name.set(v2, "v2");
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node_name.set(v3, "v3");
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node_name.set(v4, "v4");
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node_name.set(t, "t");
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G.addEdge(s, v1);
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G.addEdge(s, v2);
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G.addEdge(v1, v2);
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G.addEdge(v2, v1);
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G.addEdge(v1, v3);
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G.addEdge(v3, v2);
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G.addEdge(v2, v4);
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G.addEdge(v4, v3);
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G.addEdge(v3, t);
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G.addEdge(v4, t);
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marci@158
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cout << " /--> -------------> "<< endl;
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cout << " / /-- v1 <-\\ /---- v3-\\ "<< endl;
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marci@158
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cout << " / | | / /-> \\ "<< endl;
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marci@158
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cout << " / | | / | ^ \\ "<< endl;
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marci@158
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cout << "s | | / | | \\-> t "<< endl;
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marci@158
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cout << " \\ | | / | | /-> "<< endl;
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cout << " \\ | --/ / | | / "<< endl;
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cout << " \\ \\-> v2 <--/ \\-- v4 -/ "<< endl;
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cout << " \\--> -------------> "<< endl;
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marci@158
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marci@158
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/*
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{
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cout << "iterator bfs demo 4 ..." << endl;
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marci@158
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BfsIterator4< ListGraph, ListGraph::OutEdgeIt, ListGraph::NodeMap<bool> > bfs(G);
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bfs.pushAndSetReached(s);
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while (!bfs.finished()) {
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if (OutEdgeIt(bfs).valid()) {
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cout << "OutEdgeIt: " << bfs;
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cout << " aNode: " << G.aNode(bfs);
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cout << " bNode: " << G.bNode(bfs) << " ";
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} else {
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cout << "OutEdgeIt: " << "invalid";
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cout << " aNode: " << bfs.aNode();
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cout << " bNode: " << "invalid" << " ";
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}
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marci@158
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if (bfs.isBNodeNewlyReached()) {
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cout << "bNodeIsNewlyReached ";
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} else {
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marci@158
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cout << "bNodeIsNotNewlyReached ";
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marci@158
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}
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marci@158
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if (bfs.isANodeExamined()) {
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marci@158
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cout << "aNodeIsExamined ";
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} else {
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marci@158
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cout << "aNodeIsNotExamined ";
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}
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marci@158
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cout << endl;
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++bfs;
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marci@158
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}
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marci@158
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}
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marci@158
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marci@75
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{
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cout << "iterator dfs demo 4 ..." << endl;
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marci@158
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DfsIterator4< ListGraph, ListGraph::OutEdgeIt, ListGraph::NodeMap<bool> > dfs(G);
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marci@158
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dfs.pushAndSetReached(s);
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while (!dfs.finished()) {
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++dfs;
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if (OutEdgeIt(dfs).valid()) {
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cout << "OutEdgeIt: " << dfs;
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cout << " aNode: " << G.aNode(dfs);
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marci@158
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cout << " bNode: " << G.bNode(dfs) << " ";
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marci@158
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} else {
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marci@158
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cout << "OutEdgeIt: " << "invalid";
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marci@158
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cout << " aNode: " << dfs.aNode();
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cout << " bNode: " << "invalid" << " ";
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}
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marci@158
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if (dfs.isBNodeNewlyReached()) {
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marci@158
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cout << "bNodeIsNewlyReached ";
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marci@158
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} else {
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marci@158
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cout << "bNodeIsNotNewlyReached ";
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marci@158
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}
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marci@158
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if (dfs.isANodeExamined()) {
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marci@158
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cout << "aNodeIsExamined ";
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marci@158
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} else {
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marci@158
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cout << "aNodeIsNotExamined ";
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}
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cout << endl;
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//++dfs;
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}
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marci@158
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}
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marci@158
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*/
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marci@158
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marci@158
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// typedef TrivGraphWrapper<const ListGraph> CGW;
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marci@158
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// CGW wG(G);
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marci@158
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marci@158
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// cout << "bfs and dfs demo on the directed graph" << endl;
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marci@158
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// for(CGW::EachNodeIt n=wG.first<CGW::EachNodeIt>(); n.valid(); ++n) {
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marci@158
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// cout << n << ": ";
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marci@158
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// cout << "out edges: ";
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marci@158
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// for(CGW::OutEdgeIt e=wG.first<CGW::OutEdgeIt>(n); e.valid(); ++e)
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marci@158
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// cout << e << " ";
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marci@158
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// cout << "in edges: ";
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marci@158
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// for(CGW::InEdgeIt e=wG.first<CGW::InEdgeIt>(n); e.valid(); ++e)
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marci@158
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// cout << e << " ";
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marci@158
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// cout << endl;
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marci@158
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// }
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marci@158
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marci@158
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{
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marci@158
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typedef TrivGraphWrapper<const ListGraph> GW;
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marci@158
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GW wG(G);
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marci@158
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marci@158
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EdgeNameMap< GW, ListGraph::NodeMap<string> > edge_name(wG, node_name);
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marci@158
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marci@158
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cout << "bfs and dfs iterator demo on the directed graph" << endl;
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marci@158
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for(GW::EachNodeIt n=wG.first<GW::EachNodeIt>(); wG.valid(n); wG.next(n)) {
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marci@158
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cout << node_name.get(n) << ": ";
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marci@158
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cout << "out edges: ";
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marci@158
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for(GW::OutEdgeIt e=wG.first<GW::OutEdgeIt>(n); wG.valid(e); wG.next(e))
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marci@158
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cout << edge_name.get(e) << " ";
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marci@158
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cout << "in edges: ";
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marci@158
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for(GW::InEdgeIt e=wG.first<GW::InEdgeIt>(n); wG.valid(e); wG.next(e))
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marci@158
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cout << edge_name.get(e) << " ";
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marci@158
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cout << endl;
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marci@158
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}
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marci@158
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marci@158
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cout << "bfs from s ..." << endl;
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marci@158
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BfsIterator5< GW, GW::NodeMap<bool> > bfs(wG);
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marci@75
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bfs.pushAndSetReached(s);
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marci@75
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while (!bfs.finished()) {
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marci@158
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//cout << "edge: ";
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marci@158
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if (wG.valid(bfs)) {
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marci@158
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cout << edge_name.get(bfs) << /*endl*/", " <<
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marci@158
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/*" aNode: " <<*/ node_name.get(wG.aNode(bfs)) <<
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marci@158
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(bfs.isANodeExamined() ? ": is examined, " : ": is not examined, ") <<
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marci@158
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/*" bNode: " <<*/ node_name.get(wG.bNode(bfs)) <<
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marci@158
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(bfs.isBNodeNewlyReached() ? ": is newly reached." :
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marci@158
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": is not newly reached.");
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marci@75
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} else {
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marci@158
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cout << "invalid" << /*endl*/", " <<
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marci@158
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/*" aNode: " <<*/ node_name.get(bfs.aNode()) <<
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(bfs.isANodeExamined() ? ": is examined, " : ": is not examined, ") <<
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/*" bNode: " <<*/
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"invalid.";
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marci@75
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}
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marci@158
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cout << endl;
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marci@158
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++bfs;
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marci@158
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}
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marci@158
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marci@158
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cout << " /--> -------------> "<< endl;
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marci@158
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cout << " / /-- v1 <-\\ /---- v3-\\ "<< endl;
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marci@158
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cout << " / | | / /-> \\ "<< endl;
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marci@158
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cout << " / | | / | ^ \\ "<< endl;
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marci@158
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cout << "s | | / | | \\-> t "<< endl;
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marci@158
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cout << " \\ | | / | | /-> "<< endl;
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marci@158
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cout << " \\ | --/ / | | / "<< endl;
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marci@158
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cout << " \\ \\-> v2 <--/ \\-- v4 -/ "<< endl;
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marci@158
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cout << " \\--> -------------> "<< endl;
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marci@158
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marci@158
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cout << "dfs from s ..." << endl;
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marci@158
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DfsIterator5< GW, GW::NodeMap<bool> > dfs(wG);
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marci@158
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dfs.pushAndSetReached(s);
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marci@158
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while (!dfs.finished()) {
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marci@158
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++dfs;
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marci@158
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//cout << "edge: ";
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marci@158
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if (wG.valid(dfs)) {
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marci@158
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cout << edge_name.get(dfs) << /*endl*/", " <<
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marci@158
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/*" aNode: " <<*/ node_name.get(wG.aNode(dfs)) <<
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marci@158
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(dfs.isANodeExamined() ? ": is examined, " : ": is not examined, ") <<
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marci@158
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/*" bNode: " <<*/ node_name.get(wG.bNode(dfs)) <<
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marci@158
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(dfs.isBNodeNewlyReached() ? ": is newly reached." :
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marci@158
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": is not newly reached.");
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marci@75
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} else {
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marci@158
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cout << "invalid" << /*endl*/", " <<
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marci@158
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/*" aNode: " <<*/ node_name.get(dfs.aNode()) <<
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marci@158
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(dfs.isANodeExamined() ? ": is examined, " : ": is not examined, ") <<
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marci@158
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/*" bNode: " <<*/
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marci@158
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"invalid.";
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marci@158
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}
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marci@158
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cout << endl;
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marci@158
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}
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marci@158
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}
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marci@158
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225 |
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marci@158
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226 |
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marci@158
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{
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marci@158
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typedef RevGraphWrapper<const ListGraph> GW;
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marci@158
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GW wG(G);
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marci@158
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marci@158
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EdgeNameMap< GW, ListGraph::NodeMap<string> > edge_name(wG, node_name);
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marci@158
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marci@158
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cout << "bfs and dfs iterator demo on the reversed directed graph" << endl;
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marci@158
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234 |
for(GW::EachNodeIt n=wG.first<GW::EachNodeIt>(); wG.valid(n); wG.next(n)) {
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marci@158
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cout << node_name.get(n) << ": ";
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marci@158
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cout << "out edges: ";
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marci@158
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for(GW::OutEdgeIt e=wG.first<GW::OutEdgeIt>(n); wG.valid(e); wG.next(e))
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marci@158
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cout << edge_name.get(e) << " ";
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marci@158
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cout << "in edges: ";
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marci@158
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for(GW::InEdgeIt e=wG.first<GW::InEdgeIt>(n); wG.valid(e); wG.next(e))
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marci@158
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cout << edge_name.get(e) << " ";
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marci@158
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242 |
cout << endl;
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marci@158
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243 |
}
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marci@158
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244 |
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marci@158
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245 |
cout << "bfs from t ..." << endl;
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marci@158
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246 |
BfsIterator5< GW, GW::NodeMap<bool> > bfs(wG);
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marci@158
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247 |
bfs.pushAndSetReached(t);
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marci@158
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248 |
while (!bfs.finished()) {
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marci@158
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249 |
//cout << "edge: ";
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marci@158
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250 |
if (wG.valid(bfs)) {
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marci@158
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251 |
cout << edge_name.get(bfs) << /*endl*/", " <<
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marci@158
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252 |
/*" aNode: " <<*/ node_name.get(wG.aNode(bfs)) <<
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marci@158
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253 |
(bfs.isANodeExamined() ? ": is examined, " : ": is not examined, ") <<
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marci@158
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254 |
/*" bNode: " <<*/ node_name.get(wG.bNode(bfs)) <<
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marci@158
|
255 |
(bfs.isBNodeNewlyReached() ? ": is newly reached." :
|
|
marci@158
|
256 |
": is not newly reached.");
|
|
marci@75
|
257 |
} else {
|
|
marci@158
|
258 |
cout << "invalid" << /*endl*/", " <<
|
|
marci@158
|
259 |
/*" aNode: " <<*/ node_name.get(bfs.aNode()) <<
|
|
marci@158
|
260 |
(bfs.isANodeExamined() ? ": is examined, " : ": is not examined, ") <<
|
|
marci@158
|
261 |
/*" bNode: " <<*/
|
|
marci@158
|
262 |
"invalid.";
|
|
marci@158
|
263 |
}
|
|
marci@158
|
264 |
cout << endl;
|
|
marci@75
|
265 |
++bfs;
|
|
marci@75
|
266 |
}
|
|
marci@158
|
267 |
|
|
marci@158
|
268 |
cout << " /--> -------------> "<< endl;
|
|
marci@158
|
269 |
cout << " / /-- v1 <-\\ /---- v3-\\ "<< endl;
|
|
marci@158
|
270 |
cout << " / | | / /-> \\ "<< endl;
|
|
marci@158
|
271 |
cout << " / | | / | ^ \\ "<< endl;
|
|
marci@158
|
272 |
cout << "s | | / | | \\-> t "<< endl;
|
|
marci@158
|
273 |
cout << " \\ | | / | | /-> "<< endl;
|
|
marci@158
|
274 |
cout << " \\ | --/ / | | / "<< endl;
|
|
marci@158
|
275 |
cout << " \\ \\-> v2 <--/ \\-- v4 -/ "<< endl;
|
|
marci@158
|
276 |
cout << " \\--> -------------> "<< endl;
|
|
marci@158
|
277 |
|
|
marci@158
|
278 |
cout << "dfs from t ..." << endl;
|
|
marci@158
|
279 |
DfsIterator5< GW, GW::NodeMap<bool> > dfs(wG);
|
|
marci@158
|
280 |
dfs.pushAndSetReached(t);
|
|
marci@158
|
281 |
while (!dfs.finished()) {
|
|
marci@158
|
282 |
++dfs;
|
|
marci@158
|
283 |
//cout << "edge: ";
|
|
marci@158
|
284 |
if (wG.valid(dfs)) {
|
|
marci@158
|
285 |
cout << edge_name.get(dfs) << /*endl*/", " <<
|
|
marci@158
|
286 |
/*" aNode: " <<*/ node_name.get(wG.aNode(dfs)) <<
|
|
marci@158
|
287 |
(dfs.isANodeExamined() ? ": is examined, " : ": is not examined, ") <<
|
|
marci@158
|
288 |
/*" bNode: " <<*/ node_name.get(wG.bNode(dfs)) <<
|
|
marci@158
|
289 |
(dfs.isBNodeNewlyReached() ? ": is newly reached." :
|
|
marci@158
|
290 |
": is not newly reached.");
|
|
marci@158
|
291 |
} else {
|
|
marci@158
|
292 |
cout << "invalid" << /*endl*/", " <<
|
|
marci@158
|
293 |
/*" aNode: " <<*/ node_name.get(dfs.aNode()) <<
|
|
marci@158
|
294 |
(dfs.isANodeExamined() ? ": is examined, " : ": is not examined, ") <<
|
|
marci@158
|
295 |
/*" bNode: " <<*/
|
|
marci@158
|
296 |
"invalid.";
|
|
marci@158
|
297 |
}
|
|
marci@158
|
298 |
cout << endl;
|
|
marci@158
|
299 |
}
|
|
marci@75
|
300 |
}
|
|
marci@75
|
301 |
|
|
marci@99
|
302 |
{
|
|
marci@158
|
303 |
typedef UndirGraphWrapper<const ListGraph> GW;
|
|
marci@158
|
304 |
GW wG(G);
|
|
marci@158
|
305 |
|
|
marci@158
|
306 |
EdgeNameMap< GW, ListGraph::NodeMap<string> > edge_name(wG, node_name);
|
|
marci@158
|
307 |
|
|
marci@158
|
308 |
cout << "bfs and dfs iterator demo on the undirected graph" << endl;
|
|
marci@158
|
309 |
for(GW::EachNodeIt n=wG.first<GW::EachNodeIt>(); wG.valid(n); wG.next(n)) {
|
|
marci@158
|
310 |
cout << node_name.get(n) << ": ";
|
|
marci@158
|
311 |
cout << "out edges: ";
|
|
marci@158
|
312 |
for(GW::OutEdgeIt e=wG.first<GW::OutEdgeIt>(n); wG.valid(e); wG.next(e))
|
|
marci@158
|
313 |
cout << edge_name.get(e) << " ";
|
|
marci@158
|
314 |
cout << "in edges: ";
|
|
marci@158
|
315 |
for(GW::InEdgeIt e=wG.first<GW::InEdgeIt>(n); wG.valid(e); wG.next(e))
|
|
marci@158
|
316 |
cout << edge_name.get(e) << " ";
|
|
marci@158
|
317 |
cout << endl;
|
|
marci@158
|
318 |
}
|
|
marci@158
|
319 |
|
|
marci@158
|
320 |
cout << "bfs from t ..." << endl;
|
|
marci@158
|
321 |
BfsIterator5< GW, GW::NodeMap<bool> > bfs(wG);
|
|
marci@158
|
322 |
bfs.pushAndSetReached(t);
|
|
marci@158
|
323 |
while (!bfs.finished()) {
|
|
marci@158
|
324 |
//cout << "edge: ";
|
|
marci@158
|
325 |
if (wG.valid(GW::OutEdgeIt(bfs))) {
|
|
marci@158
|
326 |
cout << edge_name.get(GW::OutEdgeIt(bfs)) << /*endl*/", " <<
|
|
marci@158
|
327 |
/*" aNode: " <<*/ node_name.get(wG.aNode(bfs)) <<
|
|
marci@158
|
328 |
(bfs.isANodeExamined() ? ": is examined, " : ": is not examined, ") <<
|
|
marci@158
|
329 |
/*" bNode: " <<*/ node_name.get(wG.bNode(bfs)) <<
|
|
marci@158
|
330 |
(bfs.isBNodeNewlyReached() ? ": is newly reached." :
|
|
marci@158
|
331 |
": is not newly reached.");
|
|
marci@158
|
332 |
} else {
|
|
marci@158
|
333 |
cout << "invalid" << /*endl*/", " <<
|
|
marci@158
|
334 |
/*" aNode: " <<*/ node_name.get(bfs.aNode()) <<
|
|
marci@158
|
335 |
(bfs.isANodeExamined() ? ": is examined, " : ": is not examined, ") <<
|
|
marci@158
|
336 |
/*" bNode: " <<*/
|
|
marci@158
|
337 |
"invalid.";
|
|
marci@158
|
338 |
}
|
|
marci@158
|
339 |
cout << endl;
|
|
marci@158
|
340 |
++bfs;
|
|
marci@158
|
341 |
}
|
|
marci@158
|
342 |
|
|
marci@158
|
343 |
cout << " /--> -------------> "<< endl;
|
|
marci@158
|
344 |
cout << " / /-- v1 <-\\ /---- v3-\\ "<< endl;
|
|
marci@158
|
345 |
cout << " / | | / /-> \\ "<< endl;
|
|
marci@158
|
346 |
cout << " / | | / | ^ \\ "<< endl;
|
|
marci@158
|
347 |
cout << "s | | / | | \\-> t "<< endl;
|
|
marci@158
|
348 |
cout << " \\ | | / | | /-> "<< endl;
|
|
marci@158
|
349 |
cout << " \\ | --/ / | | / "<< endl;
|
|
marci@158
|
350 |
cout << " \\ \\-> v2 <--/ \\-- v4 -/ "<< endl;
|
|
marci@158
|
351 |
cout << " \\--> -------------> "<< endl;
|
|
marci@158
|
352 |
|
|
marci@158
|
353 |
cout << "dfs from t ..." << endl;
|
|
marci@158
|
354 |
DfsIterator5< GW, GW::NodeMap<bool> > dfs(wG);
|
|
marci@158
|
355 |
dfs.pushAndSetReached(t);
|
|
marci@99
|
356 |
while (!dfs.finished()) {
|
|
marci@99
|
357 |
++dfs;
|
|
marci@158
|
358 |
//cout << "edge: ";
|
|
marci@158
|
359 |
if (wG.valid(GW::OutEdgeIt(dfs))) {
|
|
marci@158
|
360 |
cout << edge_name.get(GW::OutEdgeIt(dfs)) << /*endl*/", " <<
|
|
marci@158
|
361 |
/*" aNode: " <<*/ node_name.get(wG.aNode(dfs)) <<
|
|
marci@158
|
362 |
(dfs.isANodeExamined() ? ": is examined, " : ": is not examined, ") <<
|
|
marci@158
|
363 |
/*" bNode: " <<*/ node_name.get(wG.bNode(dfs)) <<
|
|
marci@158
|
364 |
(dfs.isBNodeNewlyReached() ? ": is newly reached." :
|
|
marci@158
|
365 |
": is not newly reached.");
|
|
marci@99
|
366 |
} else {
|
|
marci@158
|
367 |
cout << "invalid" << /*endl*/", " <<
|
|
marci@158
|
368 |
/*" aNode: " <<*/ node_name.get(dfs.aNode()) <<
|
|
marci@158
|
369 |
(dfs.isANodeExamined() ? ": is examined, " : ": is not examined, ") <<
|
|
marci@158
|
370 |
/*" bNode: " <<*/
|
|
marci@158
|
371 |
"invalid.";
|
|
marci@99
|
372 |
}
|
|
marci@158
|
373 |
cout << endl;
|
|
marci@99
|
374 |
}
|
|
marci@99
|
375 |
}
|
|
marci@99
|
376 |
|
|
marci@75
|
377 |
return 0;
|
|
marci@75
|
378 |
}
|