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Chapter 7: Problem 27

To pass an array to a function, pass the _________ of the array.

Short Answer

Expert verified
Answer: To efficiently pass an array to a function, pass the address of the first element of the array (or the pointer of the array). This allows the function to work with the original array without creating a copy, saving memory and improving performance.

Step by step solution

01

Understand the concept of passing a parameter to a function

When a variable is passed as a parameter to a function, the function works with a copy of the original value. If an array is passed to a function directly, it would mean copying the entire array, which is highly memory-inefficient.
02

Pass the address of the array

An effective way to pass an array to a function is to pass the address (memory location) of the first element of the array. This way, the function will work with the original array without creating a copy of it.
03

Use pointer notation

Pass the address of the array by using a pointer as a function parameter. This pointer will store the array's address and enable the function to access and modify the array.
04

Complete the exercise

To pass an array to a function, pass the address of the first element of the array or in other words, pass the pointer of the array.

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