#include <iostream.h>
class Deret {
friend istream& operator>>(istream&, Deret&);
friend ostream& operator<<(ostream&, Deret&);
public:
long hitung(int);
void cetak(int);
private:
int suku_n;
long hasil;
};
long Deret::hitung(int n) {
if (n==1) return 1;
else return n+hitung(n-1);
}
void Deret::cetak(int n) {
if (n>0) {
cetak(n-1);
cout << "Suku ke : " << n << " = " << hitung(n) << endl;
}
}
istream& operator>>(istream& input, Deret& x) {
cout << "Masukkan integer : ";
input >> x.suku_n;
return input;
}
ostream& operator<<(ostream& output, Deret& x) {
output << "Jumlah Deret : ";
for (int i=1; i<= x.suku_n; i++)
if (i == x.suku_n)
cout << i << " adalah " << endl;
else cout << i << " + ";
x.cetak(x.suku_n);
return output;
}
void main() {
Deret Bilangan;
cin >> Bilangan;
cout << Bilangan << endl;
}
class Deret {
friend istream& operator>>(istream&, Deret&);
friend ostream& operator<<(ostream&, Deret&);
public:
long hitung(int);
void cetak(int);
private:
int suku_n;
long hasil;
};
long Deret::hitung(int n) {
if (n==1) return 1;
else return n+hitung(n-1);
}
void Deret::cetak(int n) {
if (n>0) {
cetak(n-1);
cout << "Suku ke : " << n << " = " << hitung(n) << endl;
}
}
istream& operator>>(istream& input, Deret& x) {
cout << "Masukkan integer : ";
input >> x.suku_n;
return input;
}
ostream& operator<<(ostream& output, Deret& x) {
output << "Jumlah Deret : ";
for (int i=1; i<= x.suku_n; i++)
if (i == x.suku_n)
cout << i << " adalah " << endl;
else cout << i << " + ";
x.cetak(x.suku_n);
return output;
}
void main() {
Deret Bilangan;
cin >> Bilangan;
cout << Bilangan << endl;
}
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