/*PROGRAM TO PRINT SUM OF N NATURAL NUMBERS*/
#include<conio.h>
#include<iostream.h>
class natural
{
int i,sum,n;
public:
void process();
};
void natural::process()
{
cout<<“Enter any natural number: “;
cin>>n;
sum=0;
cout<<“Natural numbers upto “<<n<<” are: “;
for(i=1;i<=n;i++)
{
cout<<i<<” “;
sum=sum+i;
}
cout<<“\nSum of first “<<n<<” natural numbers is: “<<sum;
}
void main()
{
natural n1;
clrscr();
n1.process();
getch();
}