static int CountSubSet ( int arr [ ] , int n , int X ) {
  int N = ( int ) Math . pow ( 2 , n ) ;
  int count = 0 ;
  for ( int i = 0 ;
  i < N ;
  i ++ ) {
    for ( int j = 0 ;
    j < n ;
    j ++ ) {
      if ( ( i & ( 1 << j ) ) != 0 ) if ( arr [ j ] == X ) count += 1 ;
    }
  }
  return count ;
}

static int CountSubSet ( int arr [ ] , int n , int X ) { int N = ( int ) Math . pow ( 2 , n ) ; int count = 0 ; for ( int i = 0 ; i < N ; i ++ ) { for ( int j = 0 ; j < n ; j ++ ) { if ( ( i & ( 1 << j ) ) != 0 ) if ( arr [ j ] == X ) count += 1 ; } } return count ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier) dimensions: (dimensions)) (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (cast_expression type: (integral_type) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal) (identifier)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (parenthesized_expression (binary_expression left: (decimal_integer_literal) right: (identifier))))) right: (decimal_integer_literal))) consequence: (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (identifier))) consequence: (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))))))))) (return_statement (identifier))))