postest alpro

postest.cpp

#include <iostream>
using namespace std;
 
class Tambah {
	private:
	    float a, b, x, y, hasil;
	public:
	    
	    friend ostream & operator << (ostream &out, const Tambah &t);
	    friend istream & operator >> (istream &in,  Tambah &t);
};
 
ostream & operator << (ostream &out, const Tambah &t)
{
    out << t.y << "e" << t.x << endl;
    return out;
}
 
istream & operator >> (istream &in,  Tambah &t)
{
    cout << "Masukkan angka pertama : ";
    in >> t.a;
    cout << "Masukkan angka kedua   : ";
    in >> t.b;
    t.hasil = t.a + t.b;
    
	if(t.hasil >= 1000) {
		t.x = 3;
		t.y = t.hasil / 1000;
	} else if(t.hasil > 100) {
		t.x = 2;
		t.y = t.hasil / 100;
	} else if(t.hasil > 10) {
		t.x = 1;
		t.y = t.hasil / 10;
	} else if(t.hasil > 1) {
		t.x = 0;
		t.y = t.hasil / 1;
	}    
    
    return in;
}
 
int main()
{
   Tambah t;
   cin >> t;
   cout << "Hasil : ";
   cout << t;
   return 0;
}