#include <iostream>
#include <iomanip>

using namespace std;

int ArrayofUnique(int* Array, int length)////////////////////function we needed to get(deleting equal members of massive)
{
    int j, p, n;
    for (j = 0; j < length - 1; j++)
        for (p = j + 1; p < length; p++)
            if (Array[j] == Array[p])
            {
                for (n = p; n < length; n++)
                    Array[n] = Array[n + 1];
                    length--;
            }
    int* UniqueArr = new int[length];
    cout << endl << "size of new array is " << length << endl << endl << "this is new array: ";
    for (j = 0; j < length; j++)
    {
        UniqueArr[j] = Array[j];
        cout << setw(4) << UniqueArr[j];
    }
    cout << endl;
    delete[] Array;
    return *UniqueArr;
}


int getint()
{
    double a;
    bool x = false;
    cin >> a;
    if (a - round(a) == 0) {

    }
    if (a < 2 || a - round(a) != 0) {
        x = true;
    }
    while (cin.fail() || x) {
        cin.clear();
        cin.ignore(4000, '\n');
        cout << "this input is invalid, try again: ";
        cin >> a;
        cout << endl;
        if (a - round(a) == 0) {
            x = false;
        }
        if (a < 2 || a - round(a) != 0) {
            x = true;
        }
    }return round(a);
}


int main()
{

    int length;

    ///////////genering an array of integers and use our function

    cout << "length of array: ";
    length = getint();

    int* Array = new int[length];

    for (int i = 0; i < length; i++)
    {
        cout << "enter element A[" << i << "]:";
        Array[i] = getint();
    }
    cout << endl << "this is start array: ";
    for (int i = 0; i < length; i++)
    {
        cout << setw(4) << Array[i];
    }
    cout << endl;

    ArrayofUnique(Array, length);
    return 0;
}