Write a program in C++ to swap two numbers

Sample Output:

Swap two numbers:

-———————-

Input 1st number: 25

Input 2nd number: 39

After swapping the 1st number is: 39

After swapping the 2nd number is: 25

Solution:

#include <iostream>
using namespace std;
int main()
{
  cout << "\n\nSwap two numbers:\n";
	cout << "---------------------\n";
  int num1, num2, temp;
  cout << "Input 1st number: ";
  cin >> num1 ;
  cout << "Input 2nd number: ";
  cin >> num2;
  temp = num2;
  num2 = num1;
  num1 = temp;
  cout << "After swapping the 1st number is: "<< num1 <<"\n" ;
  cout << "After swapping the 2nd number is: "<< num2<<"\n\n";
}