static void check ( List < Double > keep , int K ) {
  double [ ] [ ] table = new double [ K + 1 ] [ K + 1 ] ;
  table [ 0 ] [ 0 ] = 1 ;
  for ( int i = 1 ;
  i <= K ;
  i ++ ) for ( int yes = 0 ;
  yes <= i ;
  yes ++ ) {
    table [ i ] [ yes ] = table [ i - 1 ] [ yes ] * ( 1 - keep . get ( i - 1 ) ) ;
    if ( yes > 0 ) table [ i ] [ yes ] += table [ i - 1 ] [ yes - 1 ] * keep . get ( i - 1 ) ;
  }
  if ( table [ K ] [ K / 2 ] > ans ) ans = table [ K ] [ K / 2 ] ;
}

static void check ( List < Double > keep , int K ) { double [ ] [ ] table = new double [ K + 1 ] [ K + 1 ] ; table [ 0 ] [ 0 ] = 1 ; for ( int i = 1 ; i <= K ; i ++ ) for ( int yes = 0 ; yes <= i ; yes ++ ) { table [ i ] [ yes ] = table [ i - 1 ] [ yes ] * ( 1 - keep . get ( i - 1 ) ) ; if ( yes > 0 ) table [ i ] [ yes ] += table [ i - 1 ] [ yes - 1 ] * keep . get ( i - 1 ) ; } if ( table [ K ] [ K / 2 ] > ans ) ans = table [ K ] [ K / 2 ] ; }
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