C Programming Related Problem 06

Write down a C program Code which shows the summation of nth number of series --- 

1 + 2 + 3 + ……………+ n

Following Coding(Using do while loop)

#include <stdio.h>

int main ()

{

    int i = 1, n, sum = 0;

    printf("Enter the number :");

    scanf("%d", &n);

    do

    {

        sum = sum + i;

        i++;

    }

    while(i <= n);

    printf("%d", sum);

    return 0;

}