Question

The integer variables first and last have been declared and assigned values (with last >= first). Allocate an integer array that can hold the squares of the numbers between first and last (inclusively), assign the resulting pointer to the variable squares (which you must declare), and initialize the array to the squares of the numbers from first to last (in that order).

Answer 1

Answer:

The following are the code in the C++ programming language.

//declare pointer type integer variable

int* squares;

//declare integer variable and initialize to 0

int s=0;

//set the for loop

for(int i=first; i<=last; i++)

{

//increment in the by 1

s++;

}

//initialize the incremented index value

squares=new int[s];

//set the for loop

for(int j=first; j<=last; j++)

{

squares[j-first]=j*j;

}

Explanation:

The following are the description of the program.

• Firstly, declare the integer data type pointer variable 'squares' and declare the integer data type variable 's' and initialize in it to 0.
• Set the for loop statement that iterates from the variable 'first' and ends at the variable 'last' then, every time the variable 's' is incremented by 1 when the loop iterates.
• Then, pass the final incremented value in the index of the variable 'squares' and set the for loop that initializes the elements of the array.