Program to swipe 2 number using 3rd number...

INPUT=

#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=

Before swapping.

a = 5, b = 10

After swapping.

a = 10, b = 5