C++ Program to Swap Two Numbers

C++ Program to Swap Two Numbers : Program uses temporary variable to swap numbers.

C++ Program to Swap Two Numbers

#include <iostream>
using namespace std;
int main()
{
    int a = 5, b = 10, temp;

    cout << "Before swapping." << endl;
    cout << "a = " << a << ", b = " << b << endl;

    temp = a;
    a = b;
    b = temp;

    cout << "\nAfter swapping." << endl;
    cout << "a = " << a << ", b = " << b << endl;

    return 0;
}

Output of Program

Before swapping.
a = 5, b = 10

After swapping.
a = 10, b = 5