Description

The purpose of this challenge is examine the output and write the C++ source code that produces the given output and interaction.

Requirements

1. You may use any combination of variable declarations, assignments, conditional statements, expressions, loops, etc. You may write as many functions as you deem necessary.
2. Hint: use a file to store coupon codes. You will need to read and write to this file.

Sample Interaction / Output

$ [ run your program ]

1 - Test a coupon code
2 - Create a coupon code

Command: 1

Enter an amount: 20.00
Enter a coupon code: HALLOWEEN
Invalid coupon code - amount unchanged
Enter a coupon code: FALLFEST
Coupon applied - 10% off
Total amount due: 18.00

$ [ run your program ]

1 - Test a coupon code
2 - Create a coupon code

Command: 1

Enter an amount: 100.00
Enter a coupon code: FALLFEST
Coupon applied - 10% off
Total amount due: 90.00

$ [ run your program ]

1 - Test a coupon code
2 - Create a coupon code

Command: 1

Enter an amount: 50.00
Enter a coupon code: FALLFEST
FALLFEST has reached maximum redemptions - no longer valid
Enter a coupon code: PUMPKIN
Coupon applied - 50% off
Total amount due: 25.00

$ [ run your program ]

1 - Test a coupon code
2 - Create a coupon code

Command: 2

Enter a coupon code: SCARY
Enter the percentage discount: 0.25
Enter the number of allowed uses: 1

$ [ run your program ]

1 - Test a coupon code
2 - Create a coupon code

Command: 1

Enter an amount: 100.00
Enter a coupon code: SCARY
Coupon applied - 25% off
Total amount due: 75.00

$ [ run your program ]

1 - Test a coupon code
2 - Create a coupon code

Command: 1

Enter an amount: 40.00
Enter a coupon code: SCARY
SCARY has reached maximum redemptions - no longer valid
Invalid coupon code - amount unchanged
Enter a coupon code: PUMPKIN
Coupon applied - 50% off
Total amount due: 20.00

LEGEND
PROGRAM OUTPUT
USER INPUT
FROM INPUT

CATALOG ID: CPP-BB0003