lemon/unionfind.h
changeset 2465 df09310da558
parent 2391 14a343be7a5a
child 2505 1bb471764ab8
equal deleted inserted replaced
12:65bc513f2ee9 13:7840492798a5
    99     ///
    99     ///
   100     int find(const Item& a) {
   100     int find(const Item& a) {
   101       return repIndex(index[a]);
   101       return repIndex(index[a]);
   102     }
   102     }
   103 
   103 
       
   104     /// \brief Clears the union-find data structure
       
   105     ///
       
   106     /// Erase each item from the data structure.
       
   107     void clear() {
       
   108       items.clear();
       
   109     }
       
   110 
   104     /// \brief Inserts a new element into the structure.
   111     /// \brief Inserts a new element into the structure.
   105     ///
   112     ///
   106     /// This method inserts a new element into the data structure. 
   113     /// This method inserts a new element into the data structure. 
   107     ///
   114     ///
   108     /// The method returns the index of the new component.
   115     /// The method returns the index of the new component.
   281       t.parent = k;
   288       t.parent = k;
   282 
   289 
   283       --items[k].parent;
   290       --items[k].parent;
   284 
   291 
   285       items.push_back(t);
   292       items.push_back(t);
       
   293     }
       
   294 
       
   295     /// \brief Clears the union-find data structure
       
   296     ///
       
   297     /// Erase each item from the data structure.
       
   298     void clear() {
       
   299       items.clear();
       
   300       firstClass = -1;
   286     }
   301     }
   287 
   302 
   288     /// \brief Finds the leader of the component of the given element.
   303     /// \brief Finds the leader of the component of the given element.
   289     ///
   304     ///
   290     /// The method returns the leader of the component of the given element.
   305     /// The method returns the leader of the component of the given element.