lemon/min_cost_arborescence.h
changeset 1082 cae19e9eeca4
parent 1074 97d978243703
child 1092 dceba191c00d
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8:f686dba6f949 9:732e4098f3a0
    99   /// Minimum Cost Arborescence algorithm. The arborescence is a tree
    99   /// Minimum Cost Arborescence algorithm. The arborescence is a tree
   100   /// which is directed from a given source node of the digraph. One or
   100   /// which is directed from a given source node of the digraph. One or
   101   /// more sources should be given to the algorithm and it will calculate
   101   /// more sources should be given to the algorithm and it will calculate
   102   /// the minimum cost subgraph that is the union of arborescences with the
   102   /// the minimum cost subgraph that is the union of arborescences with the
   103   /// given sources and spans all the nodes which are reachable from the
   103   /// given sources and spans all the nodes which are reachable from the
   104   /// sources. The time complexity of the algorithm is O(n<sup>2</sup>+e).
   104   /// sources. The time complexity of the algorithm is O(n<sup>2</sup>+m).
   105   ///
   105   ///
   106   /// The algorithm also provides an optimal dual solution, therefore
   106   /// The algorithm also provides an optimal dual solution, therefore
   107   /// the optimality of the solution can be checked.
   107   /// the optimality of the solution can be checked.
   108   ///
   108   ///
   109   /// \param GR The digraph type the algorithm runs on.
   109   /// \param GR The digraph type the algorithm runs on.