Question

Write a function in C++ that exchanges data using swap function to interchange the given two numbers .

Answer 1

This is a practical question so will try to understand the concept , the question said us to use swap function

This code is error free might only work with turbo C++ 

#include <iostream.h>
#include<conio.h>
void swap(float &x,float &y)
{
 float t=x;
 x=y;
 y=t;
 
}

int main()
{void swap(float &x,float &y);
float a,b;
cin>>a>>b;
cout<<"a="<<a<<"b="<<b<<endl;
swap(a,b);
cout<<"a="<<a<<"b="<<b<<endl;
 
}

We added a output for you to get it clearly