Question 1

1) Write a program in C++ that take three scores from user and calculate the average using do-while loop. It repeats as many times as the user wishes. The program only terminates when a user press N and Y to continue again any other character should display invalid character.

2)If a five-digit number is input through the keyboard, write a program to print a new number by adding one to each of its digits. For example, if the number that is input is 12391, then the output should be displayed as 23502.