public static void main ( String [ ] args ) {
  Scanner scan = new Scanner ( System . in ) ;
  int N = scan . nextInt ( ) ;
  int [ ] x = new int [ N ] ;
  int [ ] y = new int [ N ] ;
  for ( int i = 0 ;
  i < N ;
  ++ i ) {
    x [ i ] = scan . nextInt ( ) ;
    y [ i ] = scan . nextInt ( ) ;
  }
  for ( int i = 0 ;
  i < N ;
  ++ i ) {
    List < Double > thetas = new ArrayList < > ( ) ;
    for ( int j = 0 ;
    j < N ;
    ++ j ) {
      if ( i == j ) continue ;
      thetas . add ( Math . atan2 ( y [ j ] - y [ i ] , x [ j ] - x [ i ] ) ) ;
    }
    thetas . sort ( Comparator . naturalOrder ( ) ) ;
    thetas . add ( thetas . get ( 0 ) + 2 * Math . PI ) ;
    double ans = 0 ;
    for ( int k = 0 ;
    k < N - 1 ;
    ++ k ) ans = Math . max ( ans , thetas . get ( k + 1 ) - thetas . get ( k ) - Math . PI ) ;
    System . out . println ( ans / ( Math . PI * 2 ) ) ;
  }
}

public static void main ( String [ ] args ) { Scanner scan = new Scanner ( System . in ) ; int N = scan . nextInt ( ) ; int [ ] x = new int [ N ] ; int [ ] y = new int [ N ] ; for ( int i = 0 ; i < N ; ++ i ) { x [ i ] = scan . nextInt ( ) ; y [ i ] = scan . nextInt ( ) ; } for ( int i = 0 ; i < N ; ++ i ) { List < Double > thetas = new ArrayList < > ( ) ; for ( int j = 0 ; j < N ; ++ j ) { if ( i == j ) continue ; thetas . add ( Math . atan2 ( y [ j ] - y [ i ] , x [ j ] - x [ i ] ) ) ; } thetas . sort ( Comparator . naturalOrder ( ) ) ; thetas . add ( thetas . get ( 0 ) + 2 * Math . PI ) ; double ans = 0 ; for ( int k = 0 ; k < N - 1 ; ++ k ) ans = Math . max ( ans , thetas . get ( k + 1 ) - thetas . get ( k ) - Math . PI ) ; System . out . println ( ans / ( Math . PI * 2 ) ) ; } }
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