The Requirement (What you need to do)

You are asked to write a program that takes as input a dollar amount, and then displays the dollar amount in English (similar to how you would write the amount in a check).

Use case (Scenario)

$PrintDollar Enter the dollar amount:$23.45 It's twenty three and 45/100 Try again(y/n):n Bye! 

Error handling: You are required to handle the following error inputs. If the input is any of the following case, your program should display appropriate error message, and ask the user to try again.

1. The dollar amount cannot be greater than 9999.99
2. The dollar amount cannot be negative
3. There are at most two decimal digitals in the input
4. Handle non-digit input, such as ten

Note on handling error in input operation

bool wrongInput; do { //attempt to read an int, a char, and another int cin >>dollar >>ch >> cents; if (cin.fail()) //in case the abvoe fails, e.g., ten dollor five cents... { cout <<"Wrong input types. Try again: "; cin.clear(); //clear the error flags in cin cin.ignore (2048,' '); //ignore everthing in the input buffer, up to 2048 char, //up to the newline char =< ignore the rest of the line wrongInput = true; } else wrongInput = false; } while (wrongInput);