C Program to find the sum of first n natural numbers using while loop
Program
#include<stdio.h>
void main()
{
int n, count, sum;
sum = 0;
count = 1;
printf("Enter the value of n\t");
scanf("%d", &n);
while(count <= n)
{
sum += count;
count++;
}
printf("Sum of first %d natural numbers is: %d\n", n, sum);
}
Output
Enter the value of n 50
Sum of first 50 natural numbers is: 1275