C program to check the armstrong number

➽ Program:-

#include<stdio.h>

#include<math.h>

int main()

{

    int num, sum = 0, rem, cube = 0, temp;

    printf("Enter a Number: ");

    scanf("%d", &num);

    temp = num;

   

    while(num != 0)

    {

        rem = num % 10;

        cube = pow(rem, 3);

        sum = sum + cube;

        num = num / 10;

    }

   

    if(sum == temp)

        printf ("%d is an Armstrong No", temp);

    else

        printf ("%d is not an Armstrong No", temp);

}

➽ Output:- 

Enter a Number: 371

371 is an Armstrong No

Enter a Number: 1600

1600 is not an Armstrong No