UTS ALGORITMA

#include <iostream>
#include <string>

using namespace std;

void judul() {
    cout << "-------------------------------------------------------------------\n";
    cout << "                      PROGRAM TIKET KERETA                        |\n";
    cout << "-------------------------------------------------------------------\n";
}
void tabel() {
    cout << "| Kelas       | AG(Argo Bromo)  | AL(Argo Lawu)  | PH(Argo Wilis) |\n";
    cout << "-------------------------------------------------------------------\n";
    cout << "| 1-Executive | 500.000         | 475.000        | 450.000        |\n";
    cout << "| 2-Bisnis    | 480.000         | 455.000        | 430.000        |\n";
    cout << "| 3-Ekonomi   | 460.000         | 435.000        | 410.000        |\n";
    cout << "-------------------------------------------------------------------\n";
}

void hasil() {
    cout << "-------------------------------------------------------------------\n";
    cout << "|                       HASIL PEMESANAN                           |\n";
    cout << "-------------------------------------------------------------------\n";
}

string cek_nama_kereta(string kodeKereta) {
    if      (kodeKereta == "AG" || kodeKereta == "ag") return "Argo Bromo";
    else if (kodeKereta == "AL" || kodeKereta == "al") return "Argo Lawu";
    else if (kodeKereta == "PH" || kodeKereta == "ph") return "Argo Wilis";
    else return "Kode Kereta Salah";
}

string cek_kelas(int kodeKelas) {
    switch (kodeKelas) {
        case 1: return "Executive";
        case 2: return "Bisnis";
        case 3: return "Ekonomi";
        default: return "Kode Kelas Salah";
    }
}

int cek_harga(string kodeKereta, int kodeKelas) {
    if          (kodeKereta == "AG" || kodeKereta == "ag") {
        if      (kodeKelas == 1) return 500000;
        else if (kodeKelas == 2) return 480000;
        else if (kodeKelas == 3) return 460000;
    } else if   (kodeKereta == "AL" || kodeKereta == "al") {
        if      (kodeKelas == 1) return 475000;
        else if (kodeKelas == 2) return 455000;
        else if (kodeKelas == 3) return 435000;
    } else if   (kodeKereta == "PH" || kodeKereta == "ph") {
        if      (kodeKelas == 1) return 450000;
        else if (kodeKelas == 2) return 430000;
        else if (kodeKelas == 3) return 410000;
    }
    return 0;
}

float hitungDiskon(int jumlahBeli, float subtotal) {
      if      (jumlahBeli > 10) {
        return subtotal * 0.1;
    } else if (jumlahBeli > 5) {
        return subtotal * 0.05;
    } else 
        return 0;
}

int main() {
    string namaPemesan, kodeKereta;
    int kodeKelas, jumlahBeli;
    
    judul();
    tabel();
    cout << "Nama Pemesan                    : ";
    cin >> namaPemesan; cout<<"\n";
    cout << "Masukkan Kode Kereta [AG/AL/PH] : ";
    cin >> kodeKereta; cout<<"\n";
    cout << "Masukkan Kode Kelas [1/2/3]     : ";
    cin >> kodeKelas; cout<<"\n";
    cout << "Jumlah Beli                     : " << endl;
    cin  >> jumlahBeli;
    
    string namaKereta = cek_nama_kereta(kodeKereta);
    string namaKelas = cek_kelas(kodeKelas);
    int hargaTiket = cek_harga(kodeKereta, kodeKelas);
    
    if (namaKereta == "Kode Kereta Salah" || namaKelas == "Kode Kelas Salah" || hargaTiket == 0) {
        cout << "\nKode Kereta atau Kode Kelas yang Anda masukkan salah.\n";
        return 1;
    }
    
    float subtotal = hargaTiket * jumlahBeli;
    float diskon = hitungDiskon(jumlahBeli, subtotal);
    float total = subtotal - diskon;
    
    hasil();
    cout << "Nama Pemesan  : " << namaPemesan << endl;
    cout << "Kode Kereta   : " << kodeKereta  << endl;
    cout << "Kode Kelas    : " << kodeKelas   << endl;
    cout << "Nama Kereta   : " << namaKereta  << endl;
    cout << "Nama Kelas    : " << namaKelas   << endl;
    cout << "Harga Tiket   : Rp." << hargaTiket  << endl;
    printf ("Subtotal      : Rp.%.2f \n", subtotal);
    printf ("Diskon        : Rp.%.2f \n", diskon);
    printf ("Total         : Rp.%.2f \n", total);
    cout << "-------------------------------------------------------------------\n";
    cout << "Nama  : Muhamad Nibroos Najib\n";
    cout << "Email : [email protected]\n";

    return 0;
}