Returning Value from Function in C++(Urdu/Hindi)

In this video, we will learn how to return value from function in C++.
(Urdu/Hindi)
Hands-on Practice using DEV C++
1. Write a program that inputs marks in main function and passes these marks to a function. The function finds grade of student on the basis of the following criteria:
Grade A 80 or above marks
Grade B 60 to 79 marks
Grade C 40 to 59 marks
Grade F below 40 marks
2. Write a program that inputs two integers. It passes first integer to a function that calculates and returns its square. It passes second integer to another function that calculates and returns its cube. The main() function adds both returned values and displays the result.
3. Write a program that inputs two integers in main() function and passes the values to a function. The function finds and returns the greatest common divisor. The main() function then displays the returned value.
Step by step explanation.
Easy to follow and understand.
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