4_3_1

#include <stdlib.h>
#include <stdio.h>
#include <iostream>
#include <iomanip>
using namespace std;
class Base
{
public:
    int N;
    int* arr;
};
class Cl1 : public Base
{
public:
    void size(int n)
    {
        this->N=n;
        arr = new int[n];
    }
};
class Cl2 : public Base
{
public:
    void sort(int* arr, int n)
    {
        for (int i = 0; i < n - 1; i++) {
            for (int j = 0; j < n - i - 1; j++) {
                if (arr[j] > arr[j + 1]) swap(arr[j], arr[j + 1]);
            }
        }
    }
    void out(int*arr,int n)
    {
        for (int i = 0; i < n; i++)
            cout << setw(5)<<arr[i];
    }
};
class Cl3 : public Cl1, public Cl2
{
public:
    void input(int*arr,int n)
    {

        for (int i = 0; i < n; i++)
            cin >> arr[i];
    }
    void func(int*arr,int n)
    {
        input(arr,n);
        cout << "Array dimension: "<<n<<endl;
        cout << "The original array:";
        out(arr,n);
        sort(arr,n);
        cout << "\nAn ordered array:";
        out(arr,n);
    }
};
int main()
{
    Cl3 b;
    int N;
    cin >> N;
    b.size(N);

    int* mass=new int[N];

    b.func(mass,N);
}