static void smallestPermute ( int n ) {
  char res [ ] = new char [ n + 1 ] ;
  if ( n % 2 == 0 ) {
    for ( int i = 0 ;
    i < n ;
    i ++ ) {
      if ( i % 2 == 0 ) res [ i ] = ( char ) ( 48 + i + 2 ) ;
      else res [ i ] = ( char ) ( 48 + i ) ;
    }
  }
  else {
    for ( int i = 0 ;
    i < n - 2 ;
    i ++ ) {
      if ( i % 2 == 0 ) res [ i ] = ( char ) ( 48 + i + 2 ) ;
      else res [ i ] = ( char ) ( 48 + i ) ;
    }
    res [ n - 1 ] = ( char ) ( 48 + n - 2 ) ;
    res [ n - 2 ] = ( char ) ( 48 + n ) ;
    res [ n - 3 ] = ( char ) ( 48 + n - 1 ) ;
  }
  res [ n ] = '\0' ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    System . out . print ( res [ i ] ) ;
  }
}

static void smallestPermute ( int n ) { char res [ ] = new char [ n + 1 ] ; if ( n % 2 == 0 ) { for ( int i = 0 ; i < n ; i ++ ) { if ( i % 2 == 0 ) res [ i ] = ( char ) ( 48 + i + 2 ) ; else res [ i ] = ( char ) ( 48 + i ) ; } } else { for ( int i = 0 ; i < n - 2 ; i ++ ) { if ( i % 2 == 0 ) res [ i ] = ( char ) ( 48 + i + 2 ) ; else res [ i ] = ( char ) ( 48 + i ) ; } res [ n - 1 ] = ( char ) ( 48 + n - 2 ) ; res [ n - 2 ] = ( char ) ( 48 + n ) ; res [ n - 3 ] = ( char ) ( 48 + n - 1 ) ; } res [ n ] = ' \0' ; for ( int i = 0 ; i < n ; i ++ ) { System . out . print ( res [ i ] ) ; } }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) dimensions: (dimensions) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (binary_expression left: (identifier) right: (decimal_integer_literal)))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (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: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (cast_expression type: (integral_type) value: (parenthesized_expression (binary_expression left: (binary_expression left: (decimal_integer_literal) right: (identifier)) right: (decimal_integer_literal)))))) alternative: (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (cast_expression type: (integral_type) value: (parenthesized_expression (binary_expression left: (decimal_integer_literal) right: (identifier)))))))))) alternative: (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: (binary_expression left: (identifier) right: (decimal_integer_literal))) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (cast_expression type: (integral_type) value: (parenthesized_expression (binary_expression left: (binary_expression left: (decimal_integer_literal) right: (identifier)) right: (decimal_integer_literal)))))) alternative: (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (cast_expression type: (integral_type) value: (parenthesized_expression (binary_expression left: (decimal_integer_literal) right: (identifier))))))))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (cast_expression type: (integral_type) value: (parenthesized_expression (binary_expression left: (binary_expression left: (decimal_integer_literal) right: (identifier)) right: (decimal_integer_literal)))))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (cast_expression type: (integral_type) value: (parenthesized_expression (binary_expression left: (decimal_integer_literal) right: (identifier)))))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (cast_expression type: (integral_type) value: (parenthesized_expression (binary_expression left: (binary_expression left: (decimal_integer_literal) right: (identifier)) right: (decimal_integer_literal)))))))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (character_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 (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier)))))))))