program deret bilangan prima

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

void main ()
{

// deklarasi
int n;
int i;

cout<<"==================== program deret bilangan prima ==================="<<endl;
cout<<"============================================================"<<endl;
cout<<"\n\n\n";


// algoritma deret bilangan prima sampai n

cout<<"masukkan batas bilangan prima yang anda inginkan : ";
cin>>n;
cout<<"\n\n";

cout<<"deret bilangan prima anda sampai ";
cout<<n;
cout<<endl;
cout<<"\n\n";


for (i=1;i<=n;i++)
{
if (((i%2!=1)&&(i!=2))||((i%3==0)&&(i!=3))||(i%4==0)||((i%5==0)&&(i!=5))||(i%6==0)||((i%7==0)&&(i!=7))||(i==1))continue;

cout<<i<<"\t";
}

cout<<endl;
cout<<endl;

// operasi import hasil ke sebuah file

ofstream import ("paniang.txt");
import<<"deret bilangan prima anda sampai ";
import<<n;
import<<endl;

for (i=1;i<=n;i++)
{
if (((i%2!=1)&&(i!=2))||((i%3==0)&&(i!=3))||(i%4==0)||((i%5==0)&&(i!=5))||(i%6==0)||((i%7==0)&&(i!=7))||(i==1))continue;
import<<i<<"\t";
}
import.close();
cout<<"telah langsung diimport ke paniang.txt"<<endl;

getch();
}