public static void main ( String [ ] args ) throws IOException {
  Scanner sc = new Scanner ( ) ;
  PrintWriter out = new PrintWriter ( System . out ) ;
  int n = sc . nextInt ( ) ;
  adjList = new ArrayList [ n ] ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) adjList [ i ] = new ArrayList < > ( ) ;
  for ( int i = 1 ;
  i < n ;
  i ++ ) adjList [ sc . nextInt ( ) - 1 ] . add ( i ) ;
  cnt = new int [ n ] ;
  preprocess ( 0 ) ;
  ans = new double [ n ] ;
  dfs ( 0 , 0 ) ;
  for ( double x : ans ) out . print ( x + " " ) ;
  out . flush ( ) ;
  out . close ( ) ;
}

public static void main ( String [ ] args ) throws IOException { Scanner sc = new Scanner ( ) ; PrintWriter out = new PrintWriter ( System . out ) ; int n = sc . nextInt ( ) ; adjList = new ArrayList [ n ] ; for ( int i = 0 ; i < n ; i ++ ) adjList [ i ] = new ArrayList < > ( ) ; for ( int i = 1 ; i < n ; i ++ ) adjList [ sc . nextInt ( ) - 1 ] . add ( i ) ; cnt = new int [ n ] ; preprocess ( 0 ) ; ans = new double [ n ] ; dfs ( 0 , 0 ) ; for ( double x : ans ) out . print ( x + " ▁ " ) ; out . flush ( ) ; out . close ( ) ; }
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