int function ( ) { return used ; }
number of allocated indexes . concode_field_sep int[] parent concode_elem_sep int[] weight concode_elem_sep int INITIAL_SIZE concode_elem_sep int used concode_field_sep TIntList getRoots concode_elem_sep int find concode_elem_sep boolean isConnected concode_elem_sep int nextIndex concode_elem_sep int union