WAP to reverse a number using function.

#include<iostream>
#include<conio.h>

using namespace std;

int rev(int n);

int main()
{
int x;
cout<<"Enter any number to reverse it : ";cin>>x;
cout<<"\nThe reverse form of "<<x<<" is "<<rev(x);
getch();
return(0);
}

int rev(int n)
{   int num;
while(n!=0)
{
int r=n%10;
num=num*10+r;
n=n/10;
}
return(num);

}