iguhbjnkl

#include <iostream>
using namespace std;
int main()
{
    int n = 0;
    cin >> n;
    int *arr = new int[n];
    for (int i = 0; i < n; ++i)
    {
        cin >> arr[i];
    }
    for (int i = 0; i < n; ++i)
    {
        int k = 0;
        for (int j = 0; j < n; ++j)
        {
            if (arr[i] == arr[j] && i != j)
            {
                ++k;
                continue;
            }
        }
        if (k == 0)
        {
            cout << arr[i];
        }
    }
}