28. Armstrong number checking :—

 28. Armstrong number checking :—

#include<stdio.h>

int main()

{

    int i,n,m,k,r,sum;

    printf("enter value of n ");

    scanf("%d",&n);

    m=n;

    k=0;

    while(n>0)

    {

        n=n/10;

        k++;

    }

    n=m;

    sum=0;

    while(n>0)

    {

        r=n%10;

        n=n/10;

        sum=sum+pow(r,k);

    }

    if(sum==m)

    {

        printf("It is an Armstrong number");

    }

    else

    {

        printf("It is not an Armstrong number");

    }

    return 0;

}