Include required header files. Declare the “max()” function for two parameters. Declare the “max()” function for three parameters. Define a “max()” function with two parameters. “if” statement to check “x” is greater than “y”. The condition is true, return “x”. Otherwise, return “y”. Define a “max()” function with three parameters. Call “max()” function with two parameters to return the result and store it in “tmp”. “if” statement to check “tmp” is greater than “z”. The condition is true, return “tmp”. Otherwise, return “z”. Define a “main()” function. Declare the variables “a”, “b” and “c”. Get three numbers from the user and input is assigned to the variables. Call the “max()” function of two parameters and print the largest of first two numbers. Call the “max()” function of three parameters and print the largest of all the numbers.

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Chapter 4, Problem 9P

Program Plan Intro

Include required header files.

Declare the “max()” function for two parameters.

Declare the “max()” function for three parameters.

Define a “max()” function with two parameters.

“if” statement to check “x” is greater than “y”.

The condition is true, return “x”.

Otherwise, return “y”.

Define a “max()” function with three parameters.

Call “max()” function with two parameters to return the result and store it in “tmp”.

“if” statement to check “tmp” is greater than “z”.

The condition is true, return “tmp”.

Otherwise, return “z”.

Define a “main()” function.

Declare the variables “a”, “b” and “c”.

Get three numbers from the user and input is assigned to the variables.

Call the “max()” function of two parameters and print the largest of first two numbers.

Call the “max()” function of three parameters and print the largest of all the numbers.

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