Question

write a program to exchange value of two variable without the help of a 3rd variable. (use function ) c++​

Answer 1

Answer:

#include<iostream>

using namespace std;

void swap(int ,int );

//Call By Value

int main()

{

   int a,b;

   cout<<"\nEnter Two Number You Want To Swap \n";

   cin>>a>>b;

   cout<<"\nAfter Swapping Numbers Are Given below\n\n";

   swap(a,b);

   return 0;

}

void swap(int x,int y)

{

int z;

z=x;

x=y;

y=z;

 

cout<<x<<"   "<<y<<" \n";

}