Quiz PF Topic 4 Array

Which of the following is the correct way to declare an array of integers in C++?

• int array[10];

• array int[10];

• int[10] array;

• int array(10);

How do you initialize an array with the values 1, 2, 3, 4, 5 in C++?

• int arr[] = {1, 2, 3, 4, 5};

• int arr[5] = {1, 2, 3, 4, 5};

• Both int arr[] = {1, 2, 3, 4, 5}; & int arr[5] = {1, 2, 3, 4, 5};

• int arr(5) = {1, 2, 3, 4, 5};

What is the index of the first element in a C++ array?

• 0

• 1

• -1

• Depends on the array size

Which of the following statements correctly accesses the third element of an array named arr?

• arr[2]

• arr(3)

• arr{}

• arr[3]

What will be the output of the following code?

int arr[5] = {1, 2, 3, 4, 5};

cout << arr[1] + arr[3];

• 5

• 6

• 7

• 8

What does the following code output?

int arr[3] = {1, 2, 3};

cout << arr[1];

• 1

• 2

• 3

• 0

How do you declare an integer array of size 5 in C++?

• int array[5];

• array int[5];

• int[5] array;

• int array(5);

What is the index of the third element in an array int arr[5];?

• 1

• 2

• 3

• 4

What is an array in C++?

• A collection of different data types stored in one variable

• A collection of elements of the same type stored in contiguous memory locations

• A structure that stores elements of different types

• A function that returns multiple values

What is 'x' stand for in the following array declaration?

int x[6];

• Type of element to be stored

• Name of the array

• Size of the array

• Dimension of the array