Determination of Armstrong Number

 3.Write a C program to find whether the given number is Armstrong or not.

#include<stdio.h>

 int main()

{

int n,r,sum=0,temp;

printf("Enter the number:");

scanf("%d",&n);

temp=n;

while(n>0)

/*while(n>0) also can be written as (while n!=0)*/

{

r=n%10;

sum=sum+(r*r*r);

n=n/10;

}

if(temp==sum)

printf(" Armstrong number");

else

printf("  Not armstrong number");

return 0;

}