shit

//preset carpark
    CarPark *carpark = new CarPark[numCarPark];
    int *numSlot = new int[numCarPark];
    double *Pfee = new double[numCarPark];
    int slot[3] = { 6,30,20 };
    int slot2[3] = { 1,5,3 };
    int slot3[3] = { 8,20,10 };
    double fee[3] = { 25,28,28 };
    double fee2[3] = { 30,36,32 };
    double fee3[3] = { 15,22,20 };

    for (int i = 0; i < numCarPark;i++) {
        numSlot[i] = slot[i];
        Pfee[i] = fee[i];
    }
    carpark[0] = CarPark(numSlot, Pfee, "Happy Parking", "Happy Valley");

    for (int i = 0; i < numCarPark; i++) {
        numSlot[i] = slot[i];
        Pfee[i] = fee[i];
    }
    carpark[1] = CarPark(numSlot, Pfee, "Wealthy Parking", "Mong Kok");
    for (int i = 0; i < numCarPark; i++) {
        numSlot[i] = slot2[i];
        Pfee[i] = fee2[i];
    }
    carpark[2] = CarPark(numSlot, Pfee, "Come Parking", "Kowloon Tong");
    for (int i = 0; i < numCarPark; i++) {
        numSlot[i] = slot3[i];
        Pfee[i] = fee3[i];
    }