TUGAS ke-2 DDP

#include <cstdlib>
#include <iostream>
#include <conio.h>
using namespace std;

int main(int argc, char *argv[])
{
    int pilihan;
    float x,y,hasil;
   
    cout<<"Program Kalkulator"<<endl;
    cout<<"1. Pengurangan"<<endl;
    cout<<"2. Pembagian"<<endl;
    cout<<"3. Perkalian"<<endl;
    cout<<"4. Penjumlahan"<<endl;
    cout<<"masukkan pilihan anda : ";
    cin>>pilihan;
    cout<<endl;
   
    switch(pilihan){
                case 1 : {
                     cout<<"Pengurangan"<<endl;
                     cout<<"Nilai x : ";
                     cin>>x;
                     cout<<"Nilai y : ";
                     cin>>y;
                     hasil=x-y;
                     cout<<"Hasil : "<<hasil;
                     cout<<endl;
                     }break;
                case 2 : {
                     cout<<"Pembagian"<<endl;
                     cout<<"Nilai x : ";
                     cin>>x;
                     cout<<"Nilai y : ";
                     cin>>y;
                     hasil=x/y;
                     cout<<"Hasil : "<<hasil;
                     cout<<endl;
                     }break;
                case 3 : {
                     cout<<"Perkalian"<<endl;
                     cout<<"Nilai x: ";
                     cin>>x;
                     cout<<"Nilai y: ";
                     cin>>y;
                     hasil=x*y;
                     cout<<"Hasil : "<<hasil;
                     cout<<endl;
                     }break;
                case 4 : {
                     cout<<"Penjumlahan"<<endl;
                     cout<<"Nilai x : ";
                     cin>>x;
                     cout<<"Nilai y : ";
                     cin>>y;
                     hasil=x/y;
                     cout<<"Hasil : "<<hasil;
                     cout<<endl;
                     }break;
                default :   cout<<"pilihan erorrr...."<<endl;
                break;
}

getch();
}