contoh source code tentang swicth case

#include<iostream.h>

int main()

{

                float p,g,h,f,s;

                int pilihan;

                cout<<"                Menu Pilihan "<<endl;

                cout<<"1.Tekanan hidrostatis"<<endl;

                cout<<"2.Mencari Usaha"<<endl;

                cout<<"pilihan anda = ";

                cin>>pilihan;

                switch(pilihan)

{

                case 1:

                cout<<"                tekanan hidrostatis"<<endl;

                cout<<"massa jenis zat cair(p) : ";

                cin>>p;

                cout<<"gravitasi(g) : ";

                cin>>g;

                cout<<"jarak ke permukaan zat cair(h) : ";

                cin>>h;

                cout<<"Tekanan Hidrostatis(ph) :"<<(p*g*h)<<endl;

break;

                case 2:

                cout<<"                                mencari usaha"<<endl;

                cout<<"gaya :";

                cin>>f;

                cout<<"jarak :";

                cin>>s;

                cout<<"Usaha(w) :"<<(f*s)<<endl;

break;

                default:cout<<"Daftar pilihan hanya ada dua"<<endl;

}

return 0;

}