Praktikum 3 Struktur Data

#include
#include

using namespace std;


class Bilangan{
friend ostream& operator<<(ostream&, const Bilangan&); friend istream& operator>> (istream&, Bilangan&);
public:
Bilangan(int a0=0,float b0=0.0):a(a0),b(b0){}
void banding_int(const Bilangan&, const Bilangan&);
Bilangan& operator=(const Bilangan&);
Bilangan operator+(const Bilangan&)const;
Bilangan operator-()const;
protected:
int a;
float b;
};
ostream& operator<<(ostream& out, const Bilangan& x) { out << "Bagian integer : " << x.a << endl; out << "Bagian float : " <<< endl; return out; } void Bilangan::banding_int(const Bilangan& x, const Bilangan& y ) { if (x.a>y.b) cout << x.a <<" ::x lebih besar dari " <<<"::y"; else cout <<<"::x.a lebih kecil dari " <<<"::y"; } Bilangan& Bilangan::operator=(const Bilangan& x) { a=x.a; b=x.b; return*this; } istream& operator>>(istream& in, Bilangan& x)
{
cout<< "\nMasukkan bagian integer :"; in>> x.a;
cout<< "\nMasukkan bagian float :"; in>> x.b;
return in;
}
Bilangan Bilangan::operator+(const Bilangan& x) const
{ Bilangan cc;
cc.a=a+x.a;
cc.b=b+x.b;
return cc;
}
Bilangan Bilangan::operator-() const
{ Bilangan x;
x.a=-a;
x.b=-b;
return x;
}


//BILCHAR.H
//#include "bilangan.h"
class Bil_char : public Bilangan {
friend ostream& operator<< (ostream&, const Bil_char&); public: Bil_char(int a0=0, int b0=0, char ch='x') : Bilangan(a0,b0), c(ch) {} private: char c; }; ostream& operator<< (ostream& out, const Bil_char& x) { out << "Bagian integer : " <<< endl; out << "Bagian float : " <<< endl; out << "Bagian char : " <<< endl; return out; } //TURUNAN.CPP //#include
//#include "bilchar.h"

int main(){
Bilangan s, t(-2,3.14),d;
cout << " Nilai awal s\n " << s; cout << " Nilai awal t dari deklarasi\n "<<< " Masukkan nilai-nilai objek d"; cin>> d ;
cout << " Setelah d + t => \n" <
cout << " nilai d dinegatifkan \n"<< -d;
Bil_char ss;
cout << " Nilai awal ss \n"<< ss;




system("PAUSE");
return EXIT_SUCCESS;
}