Give solution in C ++ Language with secreenshoot of source code. Part 01 In this task, you need to do the following: • Write a function named displayMessage() that takes user name as input in...

Give solution in C ++ Language with secreenshoot of source code. Part 01
In this task, you need to do the following:
• Write a function named displayMessage() that takes user name as input in character array and then shows greetings
• Now take the name input in main() and pass the name as an argument to displayMessage() function
• Change the displayMessage() method such that it returns the number of characters after displaying the greetings part 02
Write a function power that takes two parameters a and b. And it returns the power as ab.