Reverse Number Code C Plus Plus

// Write a C++ program to input a number
// and display its Reverse Number
// For example, if you Enter number=123
// Program will show Reverse number=321
// www.EasyCodeBook.com
#include<iostream>

using namespace std;
int main()
{
	long int num,n,rev;
	printf("Enter an Integer Number:");
	cin>>num;
	rev=0;
	for(n=num;n!=0;n=n/10)
	rev=(10*rev)+n%10;
	cout<<"Actual Number: "<<num<<endl;
	cout<<"Reverse Number: "<<rev;
	return 0;
}