static int removeElement ( int n ) {
  if ( n == 1 || n == 2 ) return 0 ;
  int a = nextPowerOf2 ( n ) ;
  if ( n == a || n == a - 1 ) return 1 ;
  else if ( n == a - 2 ) return 0 ;
  else if ( n % 2 == 0 ) return 1 ;
  else return 2 ;
}

static int removeElement ( int n ) { if ( n == 1 || n == 2 ) return 0 ; int a = nextPowerOf2 ( n ) ; if ( n == a || n == a - 1 ) return 1 ; else if ( n == a - 2 ) return 0 ; else if ( n % 2 == 0 ) return 1 ; else return 2 ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) consequence: (return_statement (decimal_integer_literal))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation name: (identifier) arguments: (argument_list (identifier))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (binary_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal))))) consequence: (return_statement (decimal_integer_literal)) alternative: (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) consequence: (return_statement (decimal_integer_literal)) alternative: (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (return_statement (decimal_integer_literal)) alternative: (return_statement (decimal_integer_literal)))))))