static int calculate ( int L , int R ) {
  int answer = 0 ;
  for ( int i = L ;
  i < R + 1 ;
  ++ i ) {
    answer = answer + repeated_digit ( i ) ;
  }
  return answer ;
}

static int calculate ( int L , int R ) { int answer = 0 ; for ( int i = L ; i < R + 1 ; ++ i ) { answer = answer + repeated_digit ( i ) ; } return answer ; }
(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))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (identifier))) condition: (binary_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal))) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (method_invocation name: (identifier) arguments: (argument_list (identifier)))))))) (return_statement (identifier))))