source: lemon-tutorial/demo/hello_lemon.cc @ 18:a291609dad52

/* -*- mode: C++; indent-tabs-mode: nil; -*-
 *
 * This file is a part of LEMON, a generic C++ optimization library.
 *
 * Copyright (C) 2003-2008
 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
 * (Egervary Research Group on Combinatorial Optimization, EGRES).
 *
 * Permission to use, modify and distribute this software is granted
 * provided that this copyright notice appears in all copies. For
 * precise terms see the accompanying LICENSE file.
 *
 * This software is provided "AS IS" with no warranty of any kind,
 * express or implied, and with no claim as to its suitability for any
 * purpose.
 *
 */

///\file
///\brief Simple "Hello World!" program for LEMON.
///
/// Simple "Hello World!" program for LEMON.
/// \include hello_lemon.cc

#include <iostream>
#include <lemon/list_graph.h>

int main()
{
  typedef lemon::ListDigraph Graph;
  Graph g;

  Graph::Node u = g.addNode();
  Graph::Node v = g.addNode();
  Graph::Arc  e = g.addArc(u, v);

  std::cout << "Hello World! This is LEMON library here." << std::endl;
  std::cout << "We have a directed graph with "
            << countNodes(g) << " nodes and "
            << countArcs(g) << " arc." << std::endl;

  return 0;
}