PROGRAM UNTUK MENUKAR 2 BUAH VARIABEL

#include <iostream>
#include <conio.h>
#include <windows.h>

using namespace std;
main()
{
      start:
      system("cls");
      char j;
      int a, b, x;
      cout << " ================================\n";
      cout << " Kasus 4 : Menukar 2 Buah Variabel\n";
      cout << " ================================\n";
      cout << "masukan a\t:";cin >> a;
      cout << "masukan b\t:";cin >> b;
     
      x = b;
      b = a;
      a = x;
     
      cout << "=================================\n";
      cout << "Hasilnya Tukarnya :\n";
      cout << " a = "<<a<< endl;
      cout << " b = "<<b<< endl;
      cout << "=================================\n";
      cout<<"\n\n----------- Thank you :)--------------";
      cout<<"\nKembali<Y/N> ?";cin>>j;
      if (j=='y'||j=='Y') goto start;
getch();
}