Function: One of the building blocks of C++ program is functions; it contains a group of statements which are used to perform a specific task and the executable segments for a program. The function “main()” is the most important function in a program, because the “main()” function is the starting point of the program. The main advantage of using a function is that it reuses and reduces the code size of the program, because a function can be called for a multiple numbers of times. Function call: The statement which causes the function to execute is referred as function call. A function can be called by name of the function and the return type should not be specified before the function call. The function call statement should end with a semicolon. Example for function call: //Calling the function display(); In the above example, the function call is made by calling its function name “display()” and the function call is terminated with the semicolon.

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Chapter 6.5, Problem 6.6CP

Program Plan Intro

Function:

One of the building blocks of C++ program is functions; it contains a group of statements which are used to perform a specific task and the executable segments for a program.

The function “main()” is the most important function in a program, because the “main()” function is the starting point of the program.

The main advantage of using a function is that it reuses and reduces the code size of the program, because a function can be called for a multiple numbers of times.

Function call:

The statement which causes the function to execute is referred as function call.

A function can be called by name of the function and the return type should not be specified before the function call.

The function call statement should end with a semicolon.

Example for function call:

//Calling the function

display();

In the above example, the function call is made by calling its function name “display()” and the function call is terminated with the semicolon.

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