The running result of the program must look like this:

g++ project2.cpp a.out

Welcome to XXX SHOPPING CENTER.

Enter the item you selected as the following order:

name unitPrice quantity (Name can not contain any space. Otherwise errors happen!) --> T-shirt 19.99 2 Want to continue y/n-->y -->Sweater 39.99 1 Want to continue y/n-->y -->iphone_case 25.50 3 Want to continue y/n-->y -->Towel 9.99 5

Want to continue y/n-->n

Here is your order: ------------------------------------------------- Name Unit_Price Quantity T-shirt $19.99 2 Sweater $39.99 2 iphone_case $25.5 3 Towel $9.99 5

The total charge is $246.41 --------------------------------------------------

Want to modify your order? y/n-->y What do you want? Enter 1: add 2: remove 3: change quantity --> 1

Enter the item to add as the following order: name unitPrice quantity--> shoe 99.99 1 The item has been added. Want to modify your order? y/n-->y What do you want? Enter 1: add 2: remove 3: change quantity --> 2 Enter the item to remove as the following order: name unitPrice quantity --> Sweater 29.99 2 No such item in your shopping cart!

Want to modify your order? y/n-->y What do you want? Enter 1: add 2: remove 3: change quantity --> 2 Enter the item to remove as the following order: name unitPrice quantity --> Sweater 39.99 2 The item has been removed. Want to modify your order? y/n-->y What do you want? Enter 1: add 2: remove 3: change quantity --> 3 Enter the item to change as the following order: name unitPrice quantity --> Towel 9.99 5 Enter a new quantity --> -2 -2 is not a valid input. Enter a new quantity --> 2 The quantity has been modified. Want to modify your order? y/n-->n Here is your updated order: ------------------------------------------------- You have ordered the following items: Name Unit_Price Quantity T-shirt $19.99 2 Shoe $99.99 1 iphone_case $25.5 3 Towel $9.99 2 The total charge is $236.45 Thanks for shopping in XXX SHOPPING CENTER. --------------------------------------------------- Other requirements