Do not use vectors or linked lists Accepts array size from the keyboard. Size mu

Question

Do not use vectors or linked lists Accepts array size from the keyboard. Size must be a positive integer that is 4. Use the size from step 1 in order to create an integer array. Populate the created array with random integer values between 25 and 500 inclusive Display the generated array. Recursive Table of Squares Write a function that uses recursion in order to display squares of integers in ascending order, starting from 1 to last number in the array. Recursive Power Function Write a function that uses recursion to raise a number to a power. The function should take two arguments, the number to be raised to the power is the first number in array and the power is 2. Recursive sumofSquares function Write a function named sumofSquares that return the sums of squares of the numbers from 0 to a Array of SIZE 2 Do not use global variable

Explanation / Answer

#include <iostream>
#include <stdlib.h>
#include <math.h>

using namespace std;

#define MAX_SIZE 10000

unsigned int create_array(unsigned int*** arr_add) {
unsigned int size = 0;
unsigned int* arr = NULL;
cout<< "Enter array size";
cin >> size;
while (size <= 4 || size > MAX_SIZE) {
cout <<"wrong input(size should be gerater than 4 and hsould be less than 10000)";
cin>> size;
}
  
//allocate space
arr = new unsigned int[size];
  
if (NULL == arr) {
cout<<" memory allocation error";
exit(1);
}
  
//fill array
  
srand(time(NULL));
for(int i=0;i<size;i++) {
arr[i] = rand() % 476 + 25;
}
  
*arr_add = &arr;
return size;
}
  
void display(unsigned int* arr, unsigned int size) {
cout <<" Contents of array are..";
for(int i=0;i<size;i++)
cout<<" "<<arr[i];
}

void print_squares(unsigned int* arr,unsigned int last,unsigned int index) {
if (index > last)
return;
else {
cout<<" "<<arr[index]<<" : "<<arr[index] * arr[index];
print_squares(arr,last,index+1);
}
}

void print_power(unsigned int* start,unsigned int* end) {
if (start == end) {
cout << " " << *end <<" : "<<pow(2,*end);
}
else {
cout << " " << *start <<" : "<<pow(2,*start);
print_power(start+1,end);
}
}

long unsigned int sum_of_sq(unsigned int* arr,unsigned int last,unsigned int index) {
long unsigned int sum = 0;
if (index <= last) {
sum = sum + (arr[index] * arr[index]) + sum_of_sq(arr,last,index+1);
} else
return sum;
}

int main()
{
unsigned int size = 0;
unsigned int** arr_add = NULL;
unsigned int* arr = NULL;
size = create_array(&arr_add);
arr = *arr_add;
display(arr,size);

cout<<" SQUARES OF NUMBERS IN ARRAY"<<endl;
print_squares(arr,size-1,0);

cout<<" ELEMENTS OF ARRAY RAISED TO POWER 2"<<endl;
print_power(arr,arr+size-1);

cout<<" SUM OF SQUARES OF NUMBERS OF ARRAY is"<<endl;
cout<<sum_of_sq(arr,size-2,0)<<endl;

return 0;
}

Please let me know in case of any doubts.

Thanks

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