Q1: Write a C++ code to swap two integer numbers and find the sum of them (use temp variable).

#include <iostream>
using namespace std;

int main()
{
    int a, b, temp;
    cout<<"enter the value of a ";
    cin >> a;
    cout<<"enter the value of b ";
    cin >> b;

   cout<< " before a = "<<a<<", b = "<<b<<endl;
   temp = a;
   a = b;
   b=temp;
   int sum = a + b;
   cout<<" after a = "<<a<<", b = "<<b<<endl;
   cout<<" the sum is : "<<sum<<endl;
return 0;
}

Q2: Write a C++ code to swap two integer numbers (use Bitwise exclusive OR operator).

#include <iostream>
using namespace std;

int main()
{
    int a, b, temp;
    cout<<"enter the value of a ";
    cin >> a;
    cout<<"enter the value of b ";
    cin >> b;

   cout<< " before a = "<<a<<", b = "<<b<<endl;
   a = a ^ b;
   b = a ^ b;
   a = a ^ b;
   cout<<" after a = "<<a<<", b = "<<b<<endl;
return 0;
}