Arrays

Which of the following is a valid C++ array definition?

• int array[0];

• float $$payments[10];

• void numbers[5];

• int nums[10];

The subscript (or index) of an array can be…

• an integer

• a floating point number

• a character

• a negative number

What does the following code do?

for (int index = 0; index < 5; index++)

cin >> numbers[index];

• Place data into a four element array called numbers.

• Place data into a four element array called index.

• Place data into a five element array called numbers.

• Place data into a five element array called index.

Which of the following array declarations is invalid?

• bool array1[10];

• double array2[20,0];

• char array3[30];

• double array4[7];

In the statement a[3] = 5, which of the following is the index value?

• a

• 3

• a[3]

• 5

If you leave out the size declarator in an array definition:

• You must provide an initialization list

• You are not required to initialize the array elements

• All array elements default to zero values

• Your array will contain no elements

An array can store a group of values, but the values must be…

• the same data type

• each of a different data type

• constants

• integers

What is the last legal subscript that can be used with the following array?

int values[5];

• 0

• 5

• 6

• 4

Given the following declaration, where is 77 stored in the scores array?

int scores[]={83, 62, 77, 97};

• scores[0]

• scores[1]

• scores[2]

• scores[3]

What will the following code do?

const int SIZE = 5;

double x[SIZE];

for(int i = 2; i <= SIZE; i++)

{

x[i] = 0.0;

}

• Each element in the array is initialized to 0.0

• Each element in the array, except the first, is initialized to 0.0

• Each element in the array, except the first and the last, is initialized to 0.0

• An error will occur when the code runs