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/* -*- C++ -*-
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*
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* This file is a part of LEMON, a generic C++ optimization library
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*
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* Copyright (C) 2003-2008
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* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
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* (Egervary Research Group on Combinatorial Optimization, EGRES).
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*
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* Permission to use, modify and distribute this software is granted
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* provided that this copyright notice appears in all copies. For
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* precise terms see the accompanying LICENSE file.
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*
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* This software is provided "AS IS" with no warranty of any kind,
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* express or implied, and with no claim as to its suitability for any
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* purpose.
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*
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*/
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#include <cstdlib>
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#include <iostream>
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#include <sstream>
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#include <lemon/smart_graph.h>
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#include <lemon/list_graph.h>
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#include <lemon/bpugraph_adaptor.h>
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#include <lemon/bipartite_matching.h>
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#include <lemon/graph_utils.h>
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#include <lemon/graph_to_eps.h>
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#include <lemon/time_measure.h>
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#include <lemon/random.h>
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using namespace std;
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using namespace lemon;
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typedef SmartBpUGraph Graph;
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typedef ListBpUGraph LGraph;
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BPUGRAPH_TYPEDEFS(Graph);
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int main() {
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for (int k = 1; k < 100; ++k) {
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int n = k * 100;
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int m = (100 - k) * 100;
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int e = 20000;
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int s = 100;
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Timer nt(false), st(false);
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Timer lnt(false), lst(false);
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for (int i = 0; i < s; ++i) {
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Graph graph;
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LGraph lgraph;
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vector<Node> aNodes;
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vector<Node> bNodes;
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vector<LGraph::Node> laNodes;
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vector<LGraph::Node> lbNodes;
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for (int j = 0; j < n; ++j) {
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Node node = graph.addANode();
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aNodes.push_back(node);
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LGraph::Node lnode = lgraph.addANode();
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laNodes.push_back(lnode);
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}
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for (int j = 0; j < m; ++j) {
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Node node = graph.addBNode();
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bNodes.push_back(node);
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LGraph::Node lnode = lgraph.addBNode();
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lbNodes.push_back(lnode);
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}
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for (int j = 0; j < e; ++j) {
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int a,b;
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Node aNode = aNodes[a=rnd[n]];
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Node bNode = bNodes[b=rnd[m]];
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graph.addEdge(aNode, bNode);
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LGraph::Node laNode = laNodes[a];
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LGraph::Node lbNode = lbNodes[b];
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lgraph.addEdge(laNode, lbNode);
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}
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{
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MaxBipartiteMatching<Graph> bpmatch(graph);
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nt.start();
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bpmatch.init();
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bpmatch.start();
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nt.stop();
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}
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{
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typedef SwapBpUGraphAdaptor<Graph> SGraph;
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SGraph sgraph(graph);
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MaxBipartiteMatching<SGraph> bpmatch(sgraph);
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st.start();
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bpmatch.init();
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bpmatch.start();
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st.stop();
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}
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{
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MaxBipartiteMatching<LGraph> bpmatch(lgraph);
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lnt.start();
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bpmatch.init();
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bpmatch.start();
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lnt.stop();
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}
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{
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typedef SwapBpUGraphAdaptor<LGraph> SGraph;
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SGraph sgraph(lgraph);
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MaxBipartiteMatching<SGraph> bpmatch(sgraph);
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lst.start();
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bpmatch.init();
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bpmatch.start();
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lst.stop();
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}
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}
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cout << k * 100 << ' ' << nt.realTime() << ' ' << st.realTime()
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<< ' ' << lnt.realTime() << ' ' << lst.realTime()<< endl;
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}
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return 0;
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}
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