Program Menampilkan Deret Bilangan Prima - Perintah GOTO C/C++

Praktikum Perintah GOTO C/C++

#include <conio.h>
#include <iostream>
using namespace std;
int prima (int n)

{
 int i, jml;
 jml = 0;
 for (i = 1; i <= n; i++)
 {
  if (n % i == 0)
  {
   jml++;
  }
 }
 if (jml == 2)
 {
  return 0;
 }
 else
  {
   return 1;
  } 
}

main ()
{
 int j, n, cacah;
 char lagi;
 
 lagi:
 cout << "\nMasukan batas bilangan : "; cin >> n;
 cout << "Berikut bilangan itu : " << endl;
 
 cacah = 0;
 for (j = 1; j <= n; j++)
 {
  if (prima(j) == 0)
  {
   cout << j << " ";
   cacah++;
  }
 }
 cout << "\nBanyaknya bilangan prima adalah : " << cacah << endl;
 getch ();
 cout << "Mau coba kembali [Y/T]";
 cin >> lagi;
 getch ();
 
 if (lagi == 'Y' || lagi == 'y')
 {
  cout << "\n";
  goto lagi;
 }
  if (lagi == 'T' || lagi == 't')
  {
   getch();
   cout << "\nThank's by using this program'";
  }
}

Hasil running

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