static int getSingle ( int arr [ ] , int n ) {
  int result = 0 ;
  int x , sum ;
  for ( int i = 0 ;
  i < INT_SIZE ;
  i ++ ) {
    sum = 0 ;
    x = ( 1 << i ) ;
    for ( int j = 0 ;
    j < n ;
    j ++ ) {
      if ( ( arr [ j ] & x ) == 0 ) sum ++ ;
    }
    if ( ( sum % 3 ) == 0 ) result |= x ;
  }
  return result ;
}

static int getSingle ( int arr [ ] , int n ) { int result = 0 ; int x , sum ; for ( int i = 0 ; i < INT_SIZE ; i ++ ) { sum = 0 ; x = ( 1 << i ) ; for ( int j = 0 ; j < n ; j ++ ) { if ( ( arr [ j ] & x ) == 0 ) sum ++ ; } if ( ( sum % 3 ) == 0 ) result |= x ; } return result ; }
(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))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier)) declarator: (variable_declarator name: (identifier))) (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 (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))) (expression_statement (assignment_expression left: (identifier) right: (parenthesized_expression (binary_expression left: (decimal_integer_literal) right: (identifier))))) (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: (array_access array: (identifier) index: (identifier)) right: (identifier))) right: (decimal_integer_literal))) consequence: (expression_statement (update_expression (identifier)))))) (if_statement condition: (parenthesized_expression (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (decimal_integer_literal))) consequence: (expression_statement (assignment_expression left: (identifier) right: (identifier)))))) (return_statement (identifier))))