C++ Program to Swap Two Numbers Without Using Third(Temporary) Variable

In this program we will swap two numbers without using a third variable.

//C++ Program to swap two numbers without using third(temporary) variable

#include <iostream>
using namespace std;

int main()
{
    int a, b;
    cout<<"Enter first number: ";
    cin>>a;
    
    cout<<"Enter second number: ";
    cin>>b;
    
    a = a + b;
    b = a - b;
    a = a - b;
    
    cout<<"Swapping of the numbers are= "<<a<<" and "<<b;
    return 0;
}

Output