public static int countDe ( int arr [ ] , int n ) {
  int v [ ] = new int [ n ] ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) v [ i ] = arr [ i ] ;
  Arrays . sort ( arr ) ;
  int count1 = 0 ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) if ( arr [ i ] != v [ i ] ) count1 ++ ;
  Collections . reverse ( Arrays . asList ( arr ) ) ;
  int count2 = 0 ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) if ( arr [ i ] != v [ i ] ) count2 ++ ;
  return ( Math . min ( count1 , count2 ) ) ;
}

public static int countDe ( int arr [ ] , int n ) { int v [ ] = new int [ n ] ; for ( int i = 0 ; i < n ; i ++ ) v [ i ] = arr [ i ] ; Arrays . sort ( arr ) ; int count1 = 0 ; for ( int i = 0 ; i < n ; i ++ ) if ( arr [ i ] != v [ i ] ) count1 ++ ; Collections . reverse ( Arrays . asList ( arr ) ) ; int count2 = 0 ; for ( int i = 0 ; i < n ; i ++ ) if ( arr [ i ] != v [ i ] ) count2 ++ ; return ( Math . min ( count1 , count2 ) ) ; }
(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) dimensions: (dimensions) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (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: (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (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: (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier)))) consequence: (expression_statement (update_expression (identifier))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (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: (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier)))) consequence: (expression_statement (update_expression (identifier))))) (return_statement (parenthesized_expression (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier) (identifier)))))))