Write a Program to check a number it is Armstrong or not by using while and if Statement

Armstrong Number:

• Three Digit Armstrong Number defined as the Sum of cubes of its Digit is equal to the Number Itself.
• Armstrong Number is also known as Narcissistic Number.
• Example: 153 = (1*1*1) + (5*5*5) + (3*3*3)
  

Statement of C Program: Enter a number and check it is Armstrong or not:

#include<stdio.h>

#include<conio.h>

void main()

{

int a,b,c,d;

clrscr();

printf(" Enter a number");

scanf("%d" ,&a);

d=a;

c=0;

while(a>0)

{

b=a%10;

c=c+(b*b*b);

a=a/10;

}

if(c==d)

{

printf(" Number is Armstrong");

}

else

{

printf(" Number is not Armstrong");

}

getch();

}

Output:

Enter a number

153

Number is Armstrong

Output:

Enter a number

180

Number is not Armstrong