[C++] CALL BY ADDRESS AND CALL BY REFERENCE FOR SWAPING

CALL BY ADDRESS

PROGRAM

#include <iostream>

#include <conio.h>

void main()

{

int a = 10, b = 5;

swap(&a,&b);

cout << a << "&" << b;

}

void swap(int *m,int *n){

int temp;

temp = *m;

*m = *n;

*n = temp;

}

OUTPUT

• 5&10

                              CALL BY REFERENCE

PROGRAM

#include <iostream>

#include <conio.h>

void main()

{

int a = 10, b = 5;

swap(a,b);

cout << a << "&" << b;

}

void swap(int &m,int &n){

int temp;

temp = m;

m = n;

n = temp;

}

OUTPUT

• 5&10