#include<iostream.h>
#include<conio.h>
class sum
{ public:
int a;
sum(int b)
{
a=b;
}
void s()
{
int add=0;
for(int i=1;i<=a;i++)
{
add=add+i;
}
cout<<add;
}
};
void main()
{
clrscr();
int a;
cout<<"enter the no of terms\n";
cin>>a;
sum aj(a);
aj.s();
getch();
}
#include<conio.h>
class sum
{ public:
int a;
sum(int b)
{
a=b;
}
void s()
{
int add=0;
for(int i=1;i<=a;i++)
{
add=add+i;
}
cout<<add;
}
};
void main()
{
clrscr();
int a;
cout<<"enter the no of terms\n";
cin>>a;
sum aj(a);
aj.s();
getch();
}
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