Characteristics common to several classes can be collected in a common abstract subclass.

Which of the following statements about C++11's functions for converting string objects to numeric values is false?

a. Each function attempts to convert its entire string argument to a numeric value. b. If no conversion can be performed, an invalid_argument exception occurs. c. If the result of the conversion is out of range for the function’s return type, an out_of_range exception occurs. d. None of the above.

Explain the implementation of an postorder traversal.

What will be an ideal response?