write a program to pass two numbers as parameters to a function which is used to swap the two
numbers.
#include <iostream>
using namespace std;
void Swap(int a, int b)
{
int temp = a;
a = b;
b = temp;
cout << "a in Swap: " << a << endl;
cout << "b in Swap: " << b << endl;
}
int main()
{
int a, b;
cout << "Enter a: ";
cin >> a;
cout << "Enter b: ";
cin >> b;
cout << "a in main: " << a << endl;
cout << "b in main: " << b << endl;
cout << endl << "Call Swap!" << endl;
Swap(a, b);
cout << endl;
cout << "Back in main." << endl;
cout << "a in main: " << a << endl;
cout << "b in main: " << b << endl;
system("pause");
return 0;
}
Comments
Leave a comment