int function ( int arg0 ) { return findIndex ( arg0 ) + 1 ; }
find the root set index for the given element . concode_field_sep int data[] concode_elem_sep int size[] concode_field_sep int findIndex concode_elem_sep int countSets concode_elem_sep Collection<Set<Integer>> getSets concode_elem_sep boolean isDisjoint concode_elem_sep boolean isInSameSet concode_elem_sep String toString concode_elem_sep void union