static int zzis ( int arr [ ] , int n ) {
  int Z [ ] [ ] = new int [ n ] [ 2 ] ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) Z [ i ] [ 0 ] = Z [ i ] [ 1 ] = 1 ;
  int res = 1 ;
  for ( int i = 1 ;
  i < n ;
  i ++ ) {
    for ( int j = 0 ;
    j < i ;
    j ++ ) {
      if ( arr [ j ] < arr [ i ] && Z [ i ] [ 0 ] < Z [ j ] [ 1 ] + 1 ) Z [ i ] [ 0 ] = Z [ j ] [ 1 ] + 1 ;
      if ( arr [ j ] > arr [ i ] && Z [ i ] [ 1 ] < Z [ j ] [ 0 ] + 1 ) Z [ i ] [ 1 ] = Z [ j ] [ 0 ] + 1 ;
    }
    if ( res < Math . max ( Z [ i ] [ 0 ] , Z [ i ] [ 1 ] ) ) res = Math . max ( Z [ i ] [ 0 ] , Z [ i ] [ 1 ] ) ;
  }
  return res ;
}

static int zzis ( int arr [ ] , int n ) { int Z [ ] [ ] = new int [ n ] [ 2 ] ; for ( int i = 0 ; i < n ; i ++ ) Z [ i ] [ 0 ] = Z [ i ] [ 1 ] = 1 ; int res = 1 ; for ( int i = 1 ; i < n ; i ++ ) { for ( int j = 0 ; j < i ; j ++ ) { if ( arr [ j ] < arr [ i ] && Z [ i ] [ 0 ] < Z [ j ] [ 1 ] + 1 ) Z [ i ] [ 0 ] = Z [ j ] [ 1 ] + 1 ; if ( arr [ j ] > arr [ i ] && Z [ i ] [ 1 ] < Z [ j ] [ 0 ] + 1 ) Z [ i ] [ 1 ] = Z [ j ] [ 0 ] + 1 ; } if ( res < Math . max ( Z [ i ] [ 0 ] , Z [ i ] [ 1 ] ) ) res = Math . max ( Z [ i ] [ 0 ] , Z [ i ] [ 1 ] ) ; } return res ; }
(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)) dimensions: (dimensions_expr (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: (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (decimal_integer_literal)) right: (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (decimal_integer_literal)) right: (decimal_integer_literal))))) (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: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier))) right: (binary_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (decimal_integer_literal)) right: (binary_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (decimal_integer_literal)) right: (decimal_integer_literal))))) consequence: (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (decimal_integer_literal)) right: (binary_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (decimal_integer_literal)) right: (decimal_integer_literal))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier))) right: (binary_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (decimal_integer_literal)) right: (binary_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (decimal_integer_literal)) right: (decimal_integer_literal))))) consequence: (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (decimal_integer_literal)) right: (binary_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (decimal_integer_literal)) right: (decimal_integer_literal))))))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (array_access array: (identifier) index: (identifier)) index: (decimal_integer_literal)) (array_access array: (array_access array: (identifier) index: (identifier)) index: (decimal_integer_literal)))))) consequence: (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (array_access array: (identifier) index: (identifier)) index: (decimal_integer_literal)) (array_access array: (array_access array: (identifier) index: (identifier)) index: (decimal_integer_literal))))))))) (return_statement (identifier))))