include

using namespace std;

class ArrayManipulation {
private:
int* arr;
int size;

public:
ArrayManipulation {
arr = nullptr;
size = 0;
}

void createArray {
cout << "Enter Number of array elements: ";
cin >> size;
arr = new int$$size$$;
cout << "Enter elements of array:" << endl;
for (int i = 0; i < size; i++)
cin >> arr$$i$$;
}
void swapFirstAndLast$intx$ {
if $x==arr[0]$ {
int temp = arr$$0$$;
arr$$0$$ = arr$$size-1$$;
arr$$size-1$$ = temp;
cout << "Array after swapping first and last elements: ";
for (int i = 0; i < size; i++)
cout << arr$$i$$ << " ";
}
else
cout << "Error";
}
~ArrayManipulation {
delete arr;
}

};

int main {
int x;
cout << "Enter x: ";
cin >> x;

ArrayManipulation obj;
obj.createArray;
obj.swapFirstAndLast$x$;
return 0;

}