C PROGRAM FOR SUM OF N NATURAL NUMBERS

Write a program to find the sum of N natural numbers.

#include<stdio.h>

#include<conio.h>

int main()

{

int i=1,N,sum=0;

clrscr();

printf("sum of how many natural numbers do you want?");

scanf("%d",&N);

while(i<=N)

{

sum=sum+i;

i++;

}

printf("The sum of N natural numbers is:%d",sum);

getch();

return(0);

}

OUTPUT:

Sum of how many natural numbers do you want? 2

The sum of N natural number is: 3