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\begin{verbatim}
//**************************************************************************
//   g++ -g -I$(LINKBASE)/include FlowInfo.cc  MaxflowExample.cc        \
//                MaxflowTemplates.cc -o MaxflowExample -L$LINKLIBDIR   \
//                -lgen -lalg -lgraph -lbasic -lm
//**************************************************************************
#include<iostream.h>
#include <LINK/basic/Set.h>
#include <LINK/graph/DBinGraph.h>
#include "ProgFlowInfo.h"

ostream& operator<<(ostream& os, const Collection<FlowInfo>& c);
ostream& operator<<(ostream& os, const Container<FlowInfo>& c);

DBinGraph* GenFlowNetwork(int n,        // number of vertices
                          int max,      // maximum capacity 
                          int trials,   // #trials looking for connected g
                          float p);     // edge probability

int Maxflow(Graph* graph);              // assign "flowvalue" attribute

main()
{
        int max_flow;
        FlowInfo *fl[2];
        DBinGraph *dg;
        Set<FlowInfo> fl_set;
        for (int i=0; i<2; i++) {
                dg = GenFlowNetwork(4, 10, 500, 0.30);
                max_flow = Maxflow(dg);
                fl[i] = new FlowInfo(dg, max_flow);
                fl_set.insert(*fl[i]); 
        }
        Iterator<FlowInfo> next(&fl_set);
        FlowInfo fw;
        while (next(fw))
                cout << ":::" << fw << endl;
        fl_set.clear();
        delete [] fl;
}
\end{verbatim}

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