Program to find average of N Numbers

#include<stdio.h>

int main()
{
    printf("\n\n\t\tStudytonight - Best place to learn\n\n\n");

    int n, i;
    float sum = 0, x;

    printf("Enter number of elements:  ");
    scanf("%d", &n);
    printf("\n\n\nEnter %d elements\n\n", n);
    for(i = 0; i < n; i++)
    {
        scanf("%f", &x);
        sum += x;
    }
    printf("\n\n\nAverage of the entered numbers is =  %f", (sum/n));
    printf("\n\n\n\n\t\t\tCoding is Fun !\n\n\n");
    return 0;
}

Program to find Armstrong Number between 1 to 500

#include<stdio.h>
#include<math.h>

int main()
{
    printf("\n\n\t\tStudytonight - Best place to learn\n\n\n");
    int n,sum,i,t,a;
    printf("\n\n\nThe Armstrong numbers in between 1 to 500 are : \n\n\n");

    for(i = 1; i <= 500; i++)
    {
        t = i;  // as we need to retain the original number
        sum = 0;
        while(t != 0)
        {
            a = t%10;
            sum += a*a*a;
            t = t/10;
        }

        if(sum == i)
        printf("\n\t\t\t%d", i);
    }

    printf("\n\n\n\n\t\t\tCoding is Fun !\n\n\n");
    return 0;
}

Checking for Odd and Even Numbers using Bitwise Operator

#include<stdio.h>

int main()
{
    printf("\n\n\t\tStudytonight - Best place to learn\n\n\n");
    int x;
    for(x = 0; x <= 10; x++)
    {
        if(x&1) // if number is odd
            printf("\t\t\t%d is odd\n",x);
        else if(!(x&1)) // ! is used inside if to reverse the boolean value
            printf("\t\t\t%d is even\n",x);
    }

    printf("\n\n\n\n\t\t\tCoding is Fun !\n\n\n");
    return 0;
}