static int totalNumbersWithSpecificDifference ( int N , int diff ) {
  int low = 1 , high = N ;
  while ( low <= high ) {
    int mid = ( low + high ) / 2 ;
    if ( mid - sumOfDigit ( mid ) < diff ) low = mid + 1 ;
    else high = mid - 1 ;
  }
  return ( N - high ) ;
}

static int totalNumbersWithSpecificDifference ( int N , int diff ) { int low = 1 , high = N ; while ( low <= high ) { int mid = ( low + high ) / 2 ; if ( mid - sumOfDigit ( mid ) < diff ) low = mid + 1 ; else high = mid - 1 ; } return ( N - high ) ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal)) declarator: (variable_declarator name: (identifier) value: (identifier))) (while_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) right: (decimal_integer_literal)))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (method_invocation name: (identifier) arguments: (argument_list (identifier)))) right: (identifier))) consequence: (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) alternative: (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal))))))) (return_statement (parenthesized_expression (binary_expression left: (identifier) right: (identifier))))))