#include <stdio.h>
int main()
{
    int num, i, sum = 0;
   
    printf("Enter an integer: ");
    scanf("%d",&num);
   
    i = 1;
   
    while ( i <=num )
    {
        sum = sum + i;
        i++;
    }
    printf(" \n The result is : %d", sum);
    return 0;
}



OUTPUT :

Enter an integer : 5
The result is : 15
For Other Programs Visit The WebSite:-   https://www.techapurba.com/

Follow Me On Social Media :-
Instagram link :- https://www.instagram.com/apurba_khanra/
INSTA photography page :- https://www.instagram.com/photo_mania_hub/
Twitter link : - https://twitter.com/ApurbaKhanra199
Facebook page link (Crazy Coders) :-https://www.facebook.com/codercrazy/?modal=admin_todo_tour

Insta photography link :- https://www.instagram.com/photo_mania_hub/
Facebook link :- https://www.facebook.com/profile.php?id=100009747586288
FB photography page :-  https://www.facebook.com/photomaniahub/?modal=admin_todo_tour
For tech related videos visit my other website :- https://apurbatechinfo.blogspot.com/