Answer 1

After you′ve finished a quick study of programming and sharpened your C++ skills, you land that really sweet job that you were looking for at the bank. You′re a big-time programmer at the bank, and you′ve just finished writing the back-end code for some awesome ledger application that customers use to balance their accounts.
If you are more interested, just search for...
https://www.dummies.com/programming/cpp/c-programming-the-hackers-motives/

Answer 2

Why are waiting for peoples answer just search in google u will find better result in within second. So why u posting here. This discussion box is for asking Programming related doubts.

Answer 3

r00tk1ll3r there are hundreds of real world examples here are 12 examples. https://www.google.com/amp/s/www.softwaretestinghelp.com/cpp-applications/amp/

Answer 4

Type in a code to declare a multidimensional array with 2 rows and 3 columns. Enter the value using cin for the element in the second column of the second row.
int arr[2][
];
cin >> arr[
][
];