Write a program to swap two integer values by using call by reference.

Write a program to swap two integer values by using call by reference.
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1 Answer

Answer :

#include<iostream.h>

#include<conio.h>

void swap(int *a,int *b)

{

int c;

c=*a;

*a=*b;

*b=c;

}

void main()

{

int a,b;

cout<<"Enter Value Of a:";

cin>>a;

cout<<"Enter Value of b:";

cin>>b;

cout<<"Before swapping :”;

cout<<”Value of a is "<<a<<"\n;

cout<<”Value of b is "<<b;

swap(&a,&b);

cout<<" After swapping:”;

cout<<” value of a is"<<a<<"\n”;

cout<<”Value of b is"<<b;

getch();

}
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