Other

#include <iostream>
#include <fstream>
using namespace std;

main()
{
    ofstream file;
    file.open("test.txt", ios::app);

    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];
        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[i];
        switch (pil[i])
            {
            case 1:
                cout << "Anda memilih paket 10 MbPs\n";
                hrg[i] = 200000;
                break;
            case 2:
                cout << "Anda memilih paket 20 MbPs\n";
                hrg[i] = 300000;
                break;
            case 3:
                cout << "Anda memilih paket 50 MbPs\n";
                hrg[i] = 500000;
                break;
            default:
                cout << "Pilihan Anda Salah, silahkan masukkan ulang\n";
                goto ulang;
            break;
            }
        ulang1:
        cout << "Apakah mau paket tambahan (Y/T): ";
        cin >> jawab[i];
        if (jawab[i]=='Y')
       {

            int jumlah;
            cout << "Berapa paket tambahan yang diinginkan (1/2): ";
            cin >> jumlah;

            for (int j = 0; j < jumlah; j++) {

                harga[i][j] = 0;
                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[i][j];
                switch(toupper(pil1[i][j]))
                {
                case 'A':
                    cout << "Anda memilih channel Baby First dan Nick Jr\n";
                    harga[i][j] = 59900;
                    break;
                case 'B':
                    cout << "Anda memilih channel HBO dan Fox\n";
                    harga[i][j] = 79900;
                    break;
                default:
                    cout << "Pilihan Anda Salah, silahkan masukkan ulang\n";
                    goto ulang2;
                    break;

                }

                tamb[i] += harga[i][j];
            }
        }

        total[i] = hrg[i]+tamb[i];

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

    file << '\n';
    file.close();

    int penghasilanSebulan = 0;
    for (int i = 0; i < n; i++) penghasilanSebulan += total[i];
    cout << "Penghasilan selama 1 bulan: " << penghasilanSebulan;
}