Changeset 36:199a65b64d90 in lemon-tutorial for demo

Timestamp:

02/20/10 19:02:04 (15 years ago)

Author:

Peter Kovacs <kpeter@…>

Branch:

default

Phase:

public

Message:

Simplify hello_lemon.cc with 'using namespace' commands

File:

• demo/hello_lemon.cc (modified) (2 diffs)

demo/hello_lemon.cc

@@ -3 +3 @@
  * This file is a part of LEMON, a generic C++ optimization library.
  *
- * Copyright (C) 2003-2009
+ * Copyright (C) 2003-2010
  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
  * (Egervary Research Group on Combinatorial Optimization, EGRES).
@@ -26 +26 @@
 #include <lemon/list_graph.h>
 
+using namespace lemon;
+using namespace std;
+
 int main()
 {
-  typedef lemon::ListDigraph Graph;
-  Graph g;
+  ListDigraph g;
 
-  Graph::Node u = g.addNode();
-  Graph::Node v = g.addNode();
-  Graph::Arc  e = g.addArc(u, v);
+  ListDigraph::Node u = g.addNode();
+  ListDigraph::Node v = g.addNode();
+  ListDigraph::Arc  a = 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;
+  cout << "Hello World! This is LEMON library here." << endl;
+  cout << "We have a directed graph with " << countNodes(g) << " nodes "
+       << "and " << countArcs(g) << " arc." << endl;
 
   return 0;