Procedure

#include <iostream>
using namespace std;

int selectExtra() {
    char pil1;
    int tamb;
                ulang2:
                cout << "Pilihan Paket : \n";
                cout << "\tA. Family: Baby First, Nick Jr\n";
                cout << "\tB. Adventure: HBO, Fox\n";
                cout << "Masukkan pilihan (A/B) : ";
                cin >> pil1;
                switch(pil1)
                {
                case 'A':
                    cout << "Anda memilih channel Baby First dan Nick Jr\n";
                    tamb = 59900;
                    break;
                case 'B':
                    cout << "Anda memilih channel HBO dan Fox\n";
                    tamb = 79900;
                    break;
                default:
                    cout << "Pilihan Anda Salah, silahkan masukkan ulang\n";
                    goto ulang2;
                    break;
                }
    return tamb;
}

int select() {
    int pil, hrg;
    ulang:
        cout << "Pilihan Paket : \n";
        cout << "\t1. 10 MbPs\n";
        cout << "\t2. 20 MbPs\n";
        cout << "\t3. 50 MbPs\n";
        cout << "Masukkan pilihan (1/2/3) : ";
        cin >> pil;
    switch (pil)
            {
            case 1:
                cout << "Anda memilih paket 10 MbPs\n";
                hrg = 200000;
                break;
            case 2:
                cout << "Anda memilih paket 20 MbPs\n";
                hrg = 300000;
                break;
            case 3:
                cout << "Anda memilih paket 50 MbPs\n";
                hrg = 500000;
                break;
            default:
                cout << "Pilihan Anda Salah, silahkan masukkan ulang\n";
                goto ulang;
            break;
            }
    return hrg;
}

main()
{
    int i, n,pil[10], m, j;
    string nama[10], tgl[10];
    char jawab[10], pil1[10][2];
    long int hrg[10],tamb[10],harga[10][2], total[10];

    cout << "Data Pelanggan Internet\n";
    cout << "Masukkan jumlah pelanggan = ";
    cin >> n;

    for (i=0; i<n;i++)
    {
        tamb[i] = 0;
        cout << "Data Pelanggan ke-" << i+1 << ":\n";
        cout << "Nama Pelanggan : "; cin >> nama[i];
        cout << "Tanggal Lahir (DDMMYY) : "; cin >> tgl[i];

        hrg[i] = select();

        ulang1:
        cout << "Apakah mau paket tambahan (Y/T): ";
        cin >> jawab[i];
        if (jawab[i]=='Y') tamb[i] = selectExtra();
        total[i] = hrg[i] + tamb[i];

        cout << "Yang dibayar pelanggan bernama " << nama[i] << " adalah Rp. " << total[i] << "\n";
    }
}