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Answer:
Here is the Array class named Number:
#include <iostream>
#include <iomanip>
using namespace std;
class Number {
private:
int size;
float *ptr;
float num;
public:
Number(){
cout<<"Enter size of array: ";
cin>>size;
ptr = new float[size];
cout<<"Enter elements"<<endl;
for(int i=0;i<size;i++) {
cin>>ptr[i]; } }
void getNumbers(){
cout << "{ ";
for (int i = 0; i < size; i++) {
cout <<ptr[i] <<setprecision(2)<< " "; }
cout << "}"; }
Number(int s){
ptr = new float[s];
size = s;
for (int i = 0; i < size; i++) {
cout << "Enter elements : ";
cin >> num;
ptr[i] = num; } }
~Number(){
delete [] ptr; }
void storeNumber(int input, float num){
while (input < 0 || input > size-1) {
cout << "array size exceeded! Enter an element again " << endl;
cin >> input;
if (input >= 0 && input < size) {
ptr[input] = num;
break; } }
if (input >= 0 && input < size) {
ptr[input] = num; } }
void retrieveNumber(int position){
while (position < 0 || position > size-1) {
cout << "array size exceeded! Enter an element again " << endl;
cin >> position;
if (position >= 0 && position < size) {
cout << "The number at "<<position<<"is: " << ptr[position];
break; } }
if (position >= 0 && position < size) {
cout << "The number at "<<position<<" is: " << ptr[position]; } }
float HighestNumber(){
float highest = ptr[0];
for (int i = 1; i < size; i++) {
if (ptr[i] > highest) {
highest = ptr[i]; } }
return highest; }
float LowestNumber(){
float lowest = ptr[0];
for (int i = 1; i < size; i++) {
if (ptr[i] < lowest) {
lowest = ptr[i]; } }
return lowest; }
float AverageNumber(){
float avg = 0.0;
for (int i = 0; i < size; i++) {
avg += ptr[i]; }
return avg/size; }
};
int main() {
Number array;
array.getNumbers();
cout << endl;
int pos;
float no;
cout << "Choose an element to replace: ";
cin >> pos;
cout << "What number do you want to replace element with?" << endl;
cin >> no;
array.storeNumber(pos, no);
array.getNumbers();
cout << endl;
int pos1;
cout << "Enter an element to retrieve the number: ";
cin >> pos1;
cout << endl;
array.retrieveNumber(pos1);
cout << endl;
cout << endl;
cout << "The highest number is: " << array.HighestNumber() << endl;
cout << "The lowest number is : " << array.LowestNumber() << endl;
cout << "Average of all numbers is : " << array.AverageNumber() << endl;
cout << endl;
return 0; }
Explanation:
The program is well explained in the comments mentioned with each line of code in the attached document.
The screenshot of the program along with its output is attached.
