Dev - C++ - Ayuda lenguaje c++ Hacer el programa

#include <iostream>

using namespace std;

int main() {

    int aux,n;

    cout << "Ingrese tamaño del vector: ";

    cin >> n;

    int i,vectorA[n],vectorB[n];

    cout << endl;

    cout << "Vector 1" << endl;

    for (i=0; i<n; i++) {

        cout << "Ingrese elemento: ";

        cin >> vectorA[i];

    }

    cout << endl;

    cout << "Vector 2" << endl;

    for (i=0; i<n; i++) {

        cout << "Ingrese elemento: ";

        cin >> vectorB[i];

    }

    //mostrar arreglos

    cout << endl;

    cout << "Arreglos originales" << endl;

    for (i=0; i<n; i++)

        cout << vectorA[i] << " ";

    cout << endl;

    for (i=0; i<n; i++)

        cout << vectorB[i] << " ";

    cout << endl;

    //intercambiar valores

    for (i=0; i<n; i++) {

        aux = vectorA[i];

        vectorA[i] = vectorB[i];

        vectorB[i] = aux;

    }

    //mostrar

    cout << endl;

    cout << "Arreglos intercambiados" << endl;

    for (i=0; i<n; i++)

        cout << vectorA[i] << " ";

    cout << endl;

    for (i=0; i<n; i++)

        cout << vectorB[i] << " ";

    cout << endl;

    return 0;

}