$1.$ Write a C$++$ program that does the following:

a$.$ Create a C$++$ file with the name problem$5.$cpp$.$

b$.$ Prompt the user for an integer in the range from $10$ to $20.$

c$.$ If the user enters an integer outside that range, terminate the program.

d$.$ Print a row of alternating characters $(^$ and $*)$ of length equal to the entered integer.

Sample run of the program:

Enter a number between $10$ and $20$: $17$

$^*^*^*^*^*^*^*^*^$

Sample run of the program:

Enter a number between $10$ and $20$: $9$

Program ending...