Tugas Kalkulator sederhana

#include <iostream>
#include <conio.h>

using namespace std;

int main()
{
    int a;
    double X, Y, Z, hasil;
  
    cout<<"\n============================================";
    cout<<"\n----------->KALKULATOR SEDERHANA<-----------";
    cout<<"\n============================================";
    cout<<"\n1.Operasi penjumlahan";
    cout<<"\n2.Operasi pengurangan";
    cout<<"\n3.Operasi perkalian";
    cout<<"\n4.Operasi pembagian";

    cout<<"\n5.Operasi persen";
    cout<<"\n\n============================================";
    cout<<"\n\nMasukan pilihan anda (1,2,3,4,5)? : ";
    cin>>a;    

    switch (a)
    {
           case 1 : cout<<"Anda akan menjumlahkan bil.";
           cout<<"\nNilai pertama = ";
           cin>>X;
           cout<<"Nilai kedua = ";
           cin>>Y;
           Z=X+Y;
           cout<<"Hasil = "<
                break;
           case 2 : cout<<"Anda akan mengurangkan bil.";
            cout<<"\nNilai pertama = ";
           cin>>X;
           cout<<"Nilai kedua = ";
           cin>>Y;
           Z=X-Y;
           cout<<"Hasil = "<
                break;
           case 3 : cout<<"Anda akan mengalikan bil.";
            cout<<"\nNilai pertama = ";
           cin>>X;
           cout<<"Nilai kedua = ";
           cin>>Y;
           Z=X*Y;
           cout<<"Hasil = "<
                break;
           case 4 : cout<<"Anda akan membagikan bil.";
            cout<<"\nNilai pertama = ";
           cin>>X;
           cout<<"Nilai kedua = ";
           cin>>Y;
           Z=X/Y;
           cout<<"Hasil = "<
                break;
                case 5 : cout<<"Anda akan mencari persen bil.";
            cout<<"\nNilai pertama = ";
           cin>>X;
           cout<<"Nilai kedua = ";
           cin>>Y;
           Z=X*Y/100;
           cout<<"Hasil = "<<<"%";
                break;
           default: cout<<"Masukan yang anda ketikan salah";
                    break;
           }
           cout<<"\n\n\n============================================";
           cout<<"\n--------->By.Pipin Irwandi(Ir.ONE)<---------";
           cout<<"\n============================================";
    getch();
}

 











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