Look Up a Seat Safely with at()

A std::vector has two ways to read an element: seats[index] does no checking, while seats.at(index) throws a std::out_of_range when the index is not valid. Write printSeat(const std::vector<std::string>& seats, int index), which reads the name with at into a variable inside a try, then prints Seat , the index, : and the name on one line. When at throws, catch the std::out_of_range and print No seat at index followed by the index. Do not print the library's own message from what(); its wording differs between compilers. Read the name BEFORE printing the label, so a failed lookup does not leave half a line behind.

The tests call printSeat for several indexes, valid and not.

Do NOT write a main function.

Expected Output:

Seat 1: Bo↵
No seat at index 3↵
Seat 0: Ana↵

= newline. The output ends with a newline — print one after the last line.

Hints4 available

Topics:

Exceptions

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