nodes: 0, module; 1, function_definition; 2, function_name:__findFirstMissing; 3, parameters; 4, block; 5, identifier:self; 6, identifier:array; 7, identifier:start; 8, identifier:end; 9, expression_statement; 10, if_statement; 11, if_statement; 12, expression_statement; 13, if_statement; 14, return_statement; 15, comment:"""
          Find the smallest elements missing in a sorted array.
  
          Returns:
              int: The smallest element missing.
          """; 16, parenthesized_expression; 17, block; 18, parenthesized_expression; 19, block; 20, assignment; 21, parenthesized_expression; 22, block; 23, call; 24, comparison_operator:start > end; 25, return_statement; 26, comparison_operator:start != array[start]; 27, return_statement; 28, identifier:mid; 29, call; 30, comparison_operator:array[mid] == mid; 31, return_statement; 32, attribute; 33, argument_list; 34, identifier:start; 35, identifier:end; 36, binary_operator:end + 1; 37, identifier:start; 38, subscript; 39, identifier:start; 40, identifier:int; 41, argument_list; 42, subscript; 43, identifier:mid; 44, call; 45, identifier:self; 46, identifier:__findFirstMissing; 47, identifier:array; 48, identifier:start; 49, identifier:mid; 50, identifier:end; 51, integer:1; 52, identifier:array; 53, identifier:start; 54, binary_operator:(start + end) / 2; 55, identifier:array; 56, identifier:mid; 57, attribute; 58, argument_list; 59, parenthesized_expression; 60, integer:2; 61, identifier:self; 62, identifier:__findFirstMissing; 63, identifier:array; 64, binary_operator:mid + 1; 65, identifier:end; 66, binary_operator:start + end; 67, identifier:mid; 68, integer:1; 69, identifier:start; 70, identifier:end
code: def __findFirstMissing(self, array, start, end):
          """
          Find the smallest elements missing in a sorted array.
  
          Returns:
              int: The smallest element missing.
          """
          if (start > end):
              return end + 1
  
          if (start != array[start]):
              return start
  
          mid = int((start + end) / 2)
  
          if (array[mid] == mid):
              return self.__findFirstMissing(array, mid + 1, end)
  
          return self.__findFirstMissing(array, start, mid)