fix main: run on correct graphs
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1b9f930adf
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354d96774d
@ -1,4 +1,5 @@
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#include "edmonds.h"
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#include <iostream>
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using namespace ED;
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@ -16,26 +16,10 @@ int main(int argc, char** argv)
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if (not input_file_graph.is_open()) {
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throw std::runtime_error(std::string("Could not open file for reading: ") + argv[1]);
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}
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ED::Graph const graph = ED::Graph::read_dimacs(input_file_graph);
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ED::Graph greedy_matching_as_graph{graph.num_nodes()};
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for (ED::NodeId node_id = 0; node_id < graph.num_nodes(); ++node_id)
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{
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if (greedy_matching_as_graph.node(node_id).neighbors().empty())
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{
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for (ED::NodeId neighbor_id : graph.node(node_id).neighbors())
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{
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if (greedy_matching_as_graph.node(neighbor_id).neighbors().empty())
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{
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greedy_matching_as_graph.add_edge(node_id, neighbor_id);
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break; // Do not add more edges incident to this node!
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}
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}
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}
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}
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ED::Graph graph = ED::Graph::read_dimacs(input_file_graph);
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// Now, calculate the matching
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ED::Graph optimum_matching = Edmonds::maximum_matching(greedy_matching_as_graph);
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ED::Graph optimum_matching = Edmonds::maximum_matching(graph);
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std::cout << optimum_matching;
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return EXIT_SUCCESS;
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}
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