C++ Help Please!!!!!!!!!!!
The Question is:
Write a program that asks a user to enter one of the following state abbreviations: NC, SC, GA, FL, or AL. The program should then display the name of the state that cooresponds with the abbreviation entered ( North Carolina, South Carolina, Georgia, Florida, or Alabama).
Input Validation: Accept abbreviations with both letters in uppercase or both in lowercase. Display an error message if an abbreviation other than what is listed is entered.
THANK YOU VERY MUCH!!!!!!!!!!!