A program to find the sum of "n" natural numbers (WHILE)

C Programming Language 031

The following code shows how to write a program to find the sum of 'n' natural numbers (WHILE).

Program

#include <stdio.h>

void main()
{
    int i = 1, sum = 0, n;

    printf("Enter a value for n: ");
    scanf("%d", &n);

    while (i <= n)
    {
        sum = sum + i;
        i++;
    }
    printf("Sum of %d natural numbers = %d", n, sum);

    printf("\n");
}

Result

Enter a value for n: 9
Sum of 9 natural numbers = 45

Last Updated on Sep 30, 2022

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