8. C++ program to swap two numbers without using temp variable

#include<iostream>
using namespace std;
int main()
{

int a, b;
cout<<“Enter Two numbers”;
cin>>a>>b;

a = a + b;
b = a – b;
a = a – b;

cout<<“Swapped values ::\n”;
cout<<a<< ” “<<b;

return 0;
}

or

#include<iostream>
using namespace std;
int main()
{

int a, b;
cout<<“Enter Two numbers”;
cin>>a>>b;

a = a ^ b;
b = a ^ b;
a = a ^ b;

cout<<“Swapped values ::\n”;
cout<a<< ” “<<b;

return 0;
}

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