Contoh11.1

//Nama : Fara Novri Hasbel Wijaya
//NIM : 3420230017

#include <iostream>
#include <string.h>
using namespace std;

//FUnction NOT Return Value (Without Parameter)
void garis() {
    puts("====================================");
}
//Function NOT Return Value (With Parameter)
void ttd(char nama[20], char email[30]) {
    garis();
    cout << "Nama : " << nama << endl;
    cout << "Email : " << email << endl;
}
//Function NOT Return Value (Without Parameter)
void judul() {
    garis();
    puts("\tProgram Latihan NESTED IF");
    garis();
}
//Funtion NOT Return Value (Without Parameter)
void judul_bawah() {
    garis();
    puts("\tHasil Percabangan");
    garis();
}
//Function Return Value (With Parameter)
float cek_harga(int kode, char ukuran) {
    float harga = 0;
    //Struktur IF
    if (kode == 1) {
        //Struktur IF bersarang
        if (ukuran == 'S' || ukuran == 's') {
            harga = 45000;
        } else if (ukuran == 'M' || ukuran == 'm') {
            harga = 5500;
        } else if (ukuran == 'L' || ukuran == '1') {
            harga = 6500;
        } else {
            harga = 0;
        }
    } else if (kode == 2) {
        //Bentuk if versi singkat
        if (ukuran == 'S' || ukuran == 's') harga = 75000;
        else if (ukuran == 'M' || ukuran == 'm') harga = 85000;
        else if (ukuran == 'L' || ukuran == 'l') harga = 95000;
        else harga = 0;
    } else {
        harga = 0;
    }
    return harga;
}

string cek_merk(int kode) {
    if (kode == 1) {
        return "ERIGO";
    } else if (kode == 2) {
        return "UNIQLO";
    } else {
        return "";
    }
}

float cek_subtotal (int jumbel, float harga) {
    return harga * jumbel;
}

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

float cek_total (float subtotal, float diskon) {
    return subtotal -diskon;
}




int main() {
    judul();
    int kode, jumbel;
    char ukuran;
    cout << "Kode Baju [1/2]        :<INPUT>"; cin >> kode; cout << endl;
    cout << "Ukuran Baju [S/M/L]    :<INPUT>"; cin >> ukuran; cout << endl;
    
    float harga = cek_harga(kode, ukuran);
    judul_bawah();
    
    cout << "Kode baju yang dipilih     : " << kode << endl;
    cout << "Ukuran baju yang dipilih   : " << ukuran << endl;
    
    //Cek jika harga bernilai 0
    if (harga == 0) {
        cout << "Harga satuan           : Kode atau ukuran baju salah." << endl;
    } else {
        cout << "harga satuan               : " << harga << endl;
    }
    
    cout << "Merk baju                  : " << cek_merk(kode) << endl;
    garis();
    
    cout << "Jumlah Beli                : <INPUT>"; cin >> jumbel; cout << endl;
    
    //Hitung Subtotal
    float subtotal = cek_subtotal(jumbel,harga);
    cout << "Subtotal                   : " << subtotal <<
        " (" << jumbel <<" item)" << endl;
        
    //Hitung Diskon
    float diskon = cek_diskon (jumbel, subtotal);
    cout << "Discount                   : " << diskon << endl;
    
    //Hitung Total
    float total = cek_total(subtotal, diskon);
    cout << "Total                      : " << total << endl;
    ttd ("Fara", "[email protected]");
    return 0;
    
}