Slip 13 - A) Write a C program to accept the value of n and display sum of all odd numbers up to n.

Solution:

#include <stdio.h>

int main()

{

    int i, n, sum=0;

    /* Input range to find sum of odd numbers */

    printf("Enter upper limit: ");

    scanf("%d", &n);

    /* Find the sum of all odd number */

    for(i=1; i<=n; i+=2)

    {

        sum += i;

    }

    printf("Sum of odd numbers = %d", sum);

    return 0;

}